Contact Us
(303) 833-4715
Contact Us
(303) 833-4715

Northern Denver & Front Range's Premier Design-Build Firm

Additions and ADUs in Lafayette, CO

Room to Stay, Grow, and Keep Everyone Close

Start Planning Your Project

Why Lafayette Homeowners Choose Christie's

Because the Home You're Staying In
Should Finally Work the Way You Need It To

For more than 25 years, Christie’s has helped Lafayette homeowners solve the specific puzzle their property actually presents, not the generic version, but the real one, with clay soils and lot coverage math and an ADU code that requires your new unit to look like it was always part of the original home. A detached backyard suite where your parent has their own door, their own kitchen, and a roof pitch that matches yours exactly. A second-story pop-top on an Old Town ranch that gives a growing family the bedrooms they need without surrendering the backyard.

At Christie’s Design/Build Remodeling, we start by walking your property honestly, what the lot allows, what a pre-1980 home may need before demo begins, and what architectural matching actually means for your specific exterior. From Centaur Village ranches to Indian Peaks and the compact lots along Old Town’s established streets, we plan additions and ADUs that belong to your home rather than just sitting beside it.

In Business

25+ Years

Helping Lafayette homeowners add real, architecturally matched space for multi-generational living, rental income, and the family needs that outgrew the original floor plan.

Our Model

One Team

Your Lafayette addition or ADU stays with one coordinated team from soil testing and design through permitting, construction, and the final walkthrough.

Where We Work

Lafayette, CO

Serving homeowners throughout Old Town Lafayette, Centaur Village, Indian Peaks, Silver Creek, and established neighborhoods across Lafayette.

Peace Of Mind

5-Year Warranty

Your new Lafayette addition or ADU stays protected after construction, so you can settle into the space with complete peace of mind.

What Makes Additions & ADUs Different In Lafayette

The Space You Add
Should Feel Like It Grew Up With the House

Adding onto a Lafayette home means you’re starting with real constraints, lot coverage limits that may push your addition up instead of out, clay-heavy soils that shape every foundation decision, and Lafayette’s own ADU code requiring that any new unit match your home’s roof pitch, exterior cladding, and window profiles exactly. Older ranches in Old Town and Centaur Village often require asbestos inspection and certified abatement before a single wall comes down, and that’s a step a transparent preconstruction process surfaces early rather than after demo begins. At Christie’s Design Build, we work through the full picture, structure, soil, coverage math, and permit sequencing, before design is finalized. The goal is an addition or ADU in Lafayette, CO that reads as original construction, not something the house had to make room for.

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Lafayette Homes Each Tell a Story

Lafayette’s 1960s–1980s ranches and newer Indian Peaks builds each open up different paths for added space. We study your specific structure and lot coverage first so the right direction is clear before design begins.

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Old Town's Bones Set the Starting Point

Lafayette’s older ranches in Old Town and Centaur Village carry their own structural realities, rooflines, and clay-soil foundations. Reading those conditions first means your addition ties in as one cohesive home.

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Pre-1980 Homes Need Honest Inspection

Pre-1980 Lafayette homes often carry asbestos in tile, insulation, or drywall compound. Identifying that before demolition keeps your timeline and budget rooted in reality.

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Lafayette's Climate Drives Material Decisions

Lafayette’s freeze-thaw cycles, hail seasons, and dry winters put real pressure on exterior cladding, roofing, and insulation choices, especially where new construction meets old. We spec those details so your addition stays tight, comfortable, and built to last through every Front Range season.
See Our Work

Lafayette, CO Neighborhoods

More Room Without Leaving
the Lafayette You Already Love

Lafayette is filled with homes that families have quietly outgrown, Old Town ranches where a parent’s arrival changed the math overnight, or a Centaur Village split-level that made sense for a smaller household and simply doesn’t anymore. Some families need a proper in-law suite with its own entrance before the situation gets harder to work around. Others are sitting on a backyard that could hold a detached ADU and haven’t yet realized it’s possible. Sometimes it’s the primary suite, the kitchen, or the living room that never matched how the family actually lives, and everyone has been making do for longer than they should have. What shapes each project here is Lafayette’s specific reality: lot coverage limits, a six-week plan check, architectural matching requirements baked into the ADU ordinance, and older homes that may need asbestos inspection before a single wall comes down. We start every conversation by asking what would make staying in this home feel genuinely right, for everyone it needs to hold.

White Hawk Ranch

When a Luxury Home Still Has Space Left to Imagine

White Hawk Ranch homes were built to impress from day one, Markel Homes craftsmanship, Flatiron views out the back window, open space just beyond the fence line. But even an estate-sized floor plan can leave a family wanting a configuration it simply wasn’t built to offer: a detached guest suite with a private entrance, a custom primary addition oriented toward the mountain view, or a multi-generational wing that gives a parent real independence without anyone leaving the property. We design around what makes this neighborhood singular, the sightlines, the open space adjacency, the architectural standards already set, so what gets added belongs here completely.

Spring Creek

Make Room for What's Next Without Touching What Already Works

Homes in Spring Creek already arrive with a lot figured out, generous square footage, modern ranch architecture, large landscaped lots, and a setting that genuinely suits how an active Lafayette family wants to live. What tends to be missing isn’t space in the abstract, but something specific: a fully independent suite for the parent who’s ready to be closer, a dedicated ADU above the garage, or a primary suite addition designed to match the custom finishes the rest of the house already has. We work within Spring Creek’s contemporary architectural standards and lot configuration so whatever gets added reads as original to the home, not as something that showed up later and never quite fit.

Old Town

Where Old Bones Finally Get Room to Breathe

Old Town’s cottages and bungalows have real character, the kind of bones that made you fall for the place, but a single-story floor plan from the early 20th century wasn’t drawn with a multigenerational family in mind. An addition or ADU here means working within historic overlay considerations, tight early-plat setbacks, and mature tree canopy that shapes exactly where new space can go. Lafayette’s ADU code requires that any new structure match your home’s roof pitch, exterior materials, and window profiles, so we design from that architectural matching requirement outward, not the other way around. What gets built feels like it grew from the original cottage, not like something dropped into the yard beside it.

Blue Heron Estates

Make Room for the Next Chapter, Right Where You Are

Blue Heron Estates homes were custom-built with care, and they show it, the stonework, the stucco, the way each one sits a little differently on its lot. But even a 5,000-square-foot home wasn’t designed for the moment a parent needs their own entrance or an adult child needs a space that’s genuinely theirs. An addition or ADU can answer that without breaking the architectural character the HOA and your own eye both expect. We coordinate the design review process, match existing exterior materials precisely, and work within the community’s guidelines so what gets built feels like it was always part of the original plan.

Indian Peaks

Add the Space Your Neighborhood Was Built to Hold

Indian Peaks homeowners chose this corner of Lafayette knowing exactly what they were getting, the larger lots, the bike paths, the newer construction, and most of them plan to stay. But even well-built homes on generous lots stop fitting when a parent needs their own space, a teenager needs a room that isn’t shared, or the household just quietly outgrows what the floor plan assumed. Because these homes are newer and architecturally consistent, additions need to carry that same quality forward. We work from roofline to materials to window profiles so the added space, whether it’s a detached ADU, a suite addition, or a second-story expansion, looks like it was always there.

Our Lafayette Additions & ADU Process

From the First Idea to the Moment They Move In

Adding an addition or ADU in Lafayette brings questions that are specific to your lot, your neighborhood, and the home already standing, the lot coverage ceiling on a compact Old Town parcel, the asbestos inspection a pre-1980 ranch needs before demo begins, the architectural matching Lafayette’s ADU ordinance requires for roof pitch and exterior cladding. A home near Waneka Lake calls for a very different conversation than a ranch in Centaur Village. Our process walks each project through site evaluation, design, permit coordination, construction, and final completion so you always know where things stand and the finished space feels like it belonged there all along.

Start Planning Your Project
(303) 833-4715

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Site & Structure Review

Every Lafayette addition or ADU starts with a real look at what your property can and can’t do. We walk the lot, assess the existing structure, confirm setbacks and lot coverage remaining, and check how your household actually uses the home today. On older Old Town and Centaur Village ranches, we also look closely at foundations, panel capacity, and whether asbestos inspection is needed before design work advances. That honest groundwork shapes every decision that follows.

.02

Goals & Design Direction

Before plans take shape, we talk through what you actually need this space to do, and for whom. In Lafayette, that often means a private entrance and a real kitchen for a parent who wants to be close without sharing your front door, or a pop-top addition that finally gives a growing family room to spread out. We think through lot coverage, how the new space sits alongside your existing home, and what architectural details need to carry through so the result feels like it was always part of the plan.

.03

Detailed Project Planning

Once we know where you’re headed, we work through the details that turn your family’s goal into a real, buildable plan. In Lafayette, that means accounting for clay soil conditions, asbestos inspection on pre-1980 homes, lot coverage math, and Lafayette’s architectural matching requirements before a single permit gets filed. Resolving those specifics now is what protects your timeline and keeps the scope honest once construction actually begins.

.04

Permits & Trade Coordination

Before construction begins, we coordinate Lafayette’s permit filings, plan check submissions, trade scheduling, and any required asbestos abatement sequencing your project calls for. We manage the six-week plan check timeline, material lead times, and the order each specialty trade needs to arrive on site. That organization keeps the project moving and gives you one clear point of contact instead of tracking down the city, engineers, and subcontractors on your own.

.05

Construction & Communication

With City of Lafayette approvals in place, your new space starts taking real shape. Framing, insulation, mechanical work, drywall, flooring, cabinetry, and finishes all move forward under one coordinated team, whether we’re building a detached ADU that matches your home’s roof pitch and exterior materials, a second-story pop-top, or an in-law suite with its own entrance. You stay informed throughout while we protect the quality and connection between the new space and the home already standing.

.06

Final Review & Completion

When construction wraps, we walk the finished addition or ADU with you and go through every detail together, finishes, fixtures, how the new space flows into the rest of your Lafayette home. We address any remaining items and make sure nothing reads as tacked on or out of place. The goal is a space that feels settled and intentional from the first night someone sleeps there, whether that’s your parent, your adult child, or a tenant you’ve been planning for.

Our Lafayette Additions & ADU Process

From the First Idea to the Moment They Move In

Adding an addition or ADU in Lafayette brings questions that are specific to your lot, your neighborhood, and the home already standing, the lot coverage ceiling on a compact Old Town parcel, the asbestos inspection a pre-1980 ranch needs before demo begins, the architectural matching Lafayette’s ADU ordinance requires for roof pitch and exterior cladding. A home near Waneka Lake calls for a very different conversation than a ranch in Centaur Village. Our process walks each project through site evaluation, design, permit coordination, construction, and final completion so you always know where things stand and the finished space feels like it belonged there all along.

.01

Site & Structure Review

Every Lafayette addition or ADU starts with a real look at what your property can and can’t do. We walk the lot, assess the existing structure, confirm setbacks and lot coverage remaining, and check how your household actually uses the home today. On older Old Town and Centaur Village ranches, we also look closely at foundations, panel capacity, and whether asbestos inspection is needed before design work advances. That honest groundwork shapes every decision that follows.

.02

Goals & Design Direction

Before plans take shape, we talk through what you actually need this space to do, and for whom. In Lafayette, that often means a private entrance and a real kitchen for a parent who wants to be close without sharing your front door, or a pop-top addition that finally gives a growing family room to spread out. We think through lot coverage, how the new space sits alongside your existing home, and what architectural details need to carry through so the result feels like it was always part of the plan.

.03

Detailed Project Planning

Once we know where you’re headed, we work through the details that turn your family’s goal into a real, buildable plan. In Lafayette, that means accounting for clay soil conditions, asbestos inspection on pre-1980 homes, lot coverage math, and Lafayette’s architectural matching requirements before a single permit gets filed. Resolving those specifics now is what protects your timeline and keeps the scope honest once construction actually begins.

.04

Permits & Trade Coordination

Before construction begins, we coordinate Lafayette’s permit filings, plan check submissions, trade scheduling, and any required asbestos abatement sequencing your project calls for. We manage the six-week plan check timeline, material lead times, and the order each specialty trade needs to arrive on site. That organization keeps the project moving and gives you one clear point of contact instead of tracking down the city, engineers, and subcontractors on your own.

.05

Construction & Communication

With City of Lafayette approvals in place, your new space starts taking real shape. Framing, insulation, mechanical work, drywall, flooring, cabinetry, and finishes all move forward under one coordinated team, whether we’re building a detached ADU that matches your home’s roof pitch and exterior materials, a second-story pop-top, or an in-law suite with its own entrance. You stay informed throughout while we protect the quality and connection between the new space and the home already standing.

.06

Final Review & Completion

When construction wraps, we walk the finished addition or ADU with you and go through every detail together, finishes, fixtures, how the new space flows into the rest of your Lafayette home. We address any remaining items and make sure nothing reads as tacked on or out of place. The goal is a space that feels settled and intentional from the first night someone sleeps there, whether that’s your parent, your adult child, or a tenant you’ve been planning for.
Start Planning Your Project
(303) 833-4715

What Lafayette Homeowners Want From Their Addition or ADU

More Room for the
Life You're Staying For

Addition and ADU projects in Lafayette are almost always about solving something specific. Maybe your parent needs to be close but deserves a real front door, a full kitchen, and a bathroom that works for the years ahead, not a converted bedroom with a mini-fridge. Maybe you’ve priced what moving up in Boulder County actually costs and realized that adding space in place is the financially rational move your family has been quietly circling. Old Town and Centaur Village ranches often carry lot coverage limits and pre-1980 construction realities that shape what’s possible before design even begins, and Lafayette’s ADU code adds an architectural matching layer that generic addition packages simply can’t navigate. What Lafayette homeowners want most is a space that solves the problem completely and looks like it was always part of the house.

Room for Every Generation

Space That Belongs Here

In established Lafayette neighborhoods like Old Town and Centaur Village, most ranches were built for households a fraction of today's size and without the multigenerational configurations families now need. A thoughtful addition or ADU can create a private suite for aging parents, give adult children genuine independence, or finally open a main living area that has felt too tight for years.

Layouts Built Around You

Room to Settle Into

Many Lafayette ranches in Old Town and Centaur Village were designed for smaller households and haven't kept up with how families live now. Connecting old and new space thoughtfully, no awkward transitions, no jarring style shifts, is where the project starts feeling like home.

Built-In Space, Finally Organized

Their Own Front Door

Lafayette's lot coverage limits often redirect additions upward rather than outward, but that constraint opens real possibilities. A second-story pop-top can add bedrooms, a full bath, and genuine breathing room without touching your backyard or your coverage math.

Privacy Without the Distance

Near, With Space Between

For homeowners in Old Town and near Waneka Lake, a detached ADU or in-law suite with a private entrance can make multigenerational living feel genuinely sustainable. A full kitchen, independent laundry, and a separate door change everything about how that arrangement actually feels.

Matched to Lafayette Homes

Built for Boulder County Life

Lafayette additions have to hold up against freeze-thaw cycles, hail seasons, and the architectural matching requirements baked into city code. Exterior cladding, rooflines, and window profiles chosen to match your existing home keep the new space looking intentional, and passing inspection, year after year.

What To Consider When Building An Addition or ADU In Lafayette

Build the Space Your
Lafayette Life Actually Needs

An addition or ADU can completely change how a Lafayette home holds everyone who belongs in it, but the best projects start with understanding what the property can actually support. An older ranch in Old Town or Centaur Village brings a different set of possibilities, and real constraints around lot coverage, clay soils, and pre-1980 materials, than a newer home in Indian Peaks with HOA design review in the picture. Knowing what the space needs to solve, who it’s truly for, and how it has to connect to the existing structure is what turns a good idea into a home that finally fits.

Who is this space actually for, and what does their life look like on a Tuesday?

It’s easy to plan around the idea of a person, a parent, an adult kid, a renter, without thinking through what they’ll actually need at 7am on a weekday. Does the space need a separate entrance so nobody’s schedules collide? A full kitchen, or will a kitchenette do? A laundry connection, or is sharing workable? The more specifically you can picture the person using the space, the more honestly you can scope what it needs to include.
Lafayette lots, especially in Old Town and Centaur Village, often have less coverage remaining than homeowners expect. If you’ve already got a garage, a patio, or a shed, those square footages count. Before you fall in love with a ground-level addition footprint, it’s worth understanding whether your lot can hold it, or whether going up with a second-story pop-top, or converting existing space, is actually the smarter path to what you need.
Lafayette’s ADU code actually requires it, roof pitch, exterior materials, and window profiles have to match the primary home, but the deeper question is what that means to you. If you walk outside five years from now and the addition reads like a separate structure bolted on, will that bother you? Most people say yes. That answer shapes how much design investment makes sense upfront, and why the architectural matching conversation happens before a single permit gets filed.
Older homes in Old Town and Centaur Village carry real history, and sometimes that history includes asbestos in floor tile, insulation, or drywall compound. It’s not a reason to walk away from a project; it’s a reason to surface the question early, before demo starts, so the timeline and budget reflect reality. If you know going in that your 1960s ranch will need inspection before any walls come down, you can plan for it rather than be caught off guard mid-project.

Our Reviews

Trusted by Lafayette Homeowners
With the Spaces Their Families Grow Into

Choosing a team for an addition or ADU in Lafayette means trusting them with something your family will lean on long after the last nail is driven, a space built into the fabric of your home, not just attached to it. Our reviews reflect the clear communication, honest process, and genuine care Christie’s brings to every Lafayette project from the very first conversation through the final walkthrough.
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Areas We Service Across Lafayette

Your Lafayette Home,
Built for Everyone in It

Across Lafayette, homeowners are sitting in houses they genuinely love, older ranches in Old Town, established lots in Centaur Village, newer builds in Indian Peaks, and realizing the floor plan stopped fitting somewhere along the way. Whether a parent needs to move closer, an adult child is back, or the family just needs a Saturday morning that doesn’t feel like everyone’s on top of each other, the lot you already own is often the most practical answer. Christie’s works through Lafayette’s specific constraints, lot coverage, architectural matching requirements, clay soils, pre-1980 hazmat, and builds space that feels like it was always part of the house.
  • Ralston Valley
  • Oberon
  • Pomona Lakes
  • Whisper Creek
  • Spring Mesa
  • Olde Town Arvada
  • Allendale
  • Lake Arbor
  • Scenic Heights
  • Alta Vista
  • Club Crest
  • Hackberry Hill
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(303) 833-4715

Other Areas We Service

Weld County

Greeley, CO
Erie, CO
Fort Lupton, CO
Firestone, CO
Frederick, CO

Boulder County

Boulder, CO
Longmont, CO
Louisville, CO

Adams County

Brighton, CO
Commerce City, CO
Northglenn, CO
Thornton, CO

Jefferson County

Arvada, CO
Westminster, CO

Broomfield County

Broomfield, CO

Larimer County

Loveland, CO
Windsor, CO

Lafayette Addition & ADU Frequently Asked Questions

The Questions Behind
Building Space That Belongs to This House

Adding onto a home you already love in Lafayette brings a specific set of questions, especially when your ranch sits on an Old Town lot with coverage already spoken for, or when the house was built before 1980 and demolition can’t happen until an asbestos inspection clears. The answers here depend on your lot’s coverage math, Lafayette’s architectural matching requirements for ADUs, how clay soils affect foundation choices, and whether a second story or garage conversion makes more sense than building outward. These are the questions we hear most from Lafayette families who want to stay rooted in the place they’ve already made home.

Still Have Questions?
We're Here To Help.

Contact Us
(303) 833-4715

Why does Lafayette's ADU code require my new unit to match my existing home's exterior?

Lafayette’s ADU ordinance treats the accessory unit as part of the property, not a separate product sitting beside it. That means the roof pitch, exterior cladding, and window profiles on your ADU have to align with what’s already on your primary home. For older ranches in Old Town or Centaur Village, that’s actually a meaningful design challenge, 1960s and 1970s homes have specific material profiles that can’t be faked with off-the-shelf trim packages. We start every ADU conversation with that matching requirement and work the design backward from it, so what gets built genuinely reads as original construction.
Yes, and this is one of the most important things to surface early. Any pre-1980 home in Lafayette, Old Town, Centaur Village, and elsewhere, can contain asbestos in floor tile, insulation, or drywall compound. Before any walls come down or demo begins, a licensed inspector has to test for it, and if it’s present, certified abatement has to happen first. This isn’t optional and it isn’t something to discover mid-project. Our preconstruction process includes asbestos inspection as a standard step, so you know exactly what you’re working with before construction documents are finalized, not after the first hole gets cut.
Lot coverage is the percentage of your total lot area that can be covered by structures, your house, garage, sheds, and any new addition or ADU all count toward that number. In many Lafayette neighborhoods, especially older ones with detached garages already in the backyard, homeowners discover they’re closer to their coverage limit than they expected. When that happens, the scope often shifts: instead of going outward, we go up with a second-story pop-top, or we convert an existing structure like a garage into livable ADU space rather than adding new footprint. We do a full lot coverage analysis early in the process so you know what your options actually are before any design work begins.
Plan check in Lafayette runs approximately six weeks, and that’s for a well-prepared submittal, incomplete applications can extend that timeline. The good news is that design work happens before permit submission, not after. We work through the full design process with you, including 3D renderings so you can see exactly how the addition or ADU relates to your existing home, and then submit a complete, coordinated permit package. That sequencing means you’re not waiting on permits to make design decisions; you’re waiting on permits while design is already done and construction is ready to go.
Lafayette permits ADUs as an accessory use to a detached single-family home, and long-term rental is a real income consideration for many families in this market, especially given Lafayette’s proximity to Boulder and the University of Colorado. Short-term rental rules are a separate question and worth verifying with the city before you plan around that income model. On the property tax side, adding a permitted dwelling unit will likely increase your assessed value, which means taxes go up, but we’d rather tell you that clearly upfront than let it catch you off guard after the project closes. We can walk you through the practical implications of both rental models so you’re making decisions with real information.
Each option has a different relationship to your existing structure and your lot coverage math. A detached ADU stands independently in your backyard with its own foundation, utility connections, and entrance, the most private option, and often the most involved to permit and build. An attached ADU shares a wall with the primary home but has its own entrance and full kitchen. A junior ADU is carved from within the existing home’s footprint, typically a converted bedroom suite, and has more limited kitchen requirements. A garage conversion is exactly what it sounds like: turning underused garage square footage into finished living space without adding new footprint, which is an elegant solution when coverage is tight. Which one fits your property depends on your lot dimensions, existing structures, setbacks, utility locations, and what the space is actually for. We sort through all of that with you before you commit to a scope.
That’s the right question to ask early, because not every Lafayette ranch was built to carry a second story, and finding that out after demo begins is a painful and expensive way to learn it. As part of our preconstruction process, we bring in a structural engineer to assess the existing foundation and wall framing before a single construction document is finalized. If reinforcement is needed, we know that going in and can design around it. Lafayette’s clay-heavy soils also affect how foundation work is specified, so soil conditions are part of that early assessment too. A second-story pop-top done right starts with an honest look at what’s already there.
That’s the difference between a project that adds value and one that just adds square footage. Every addition or ADU we design for a Lafayette home is built around the existing architecture first, your roof pitch, your exterior materials, your window proportions. We use 3D renderings during the design phase specifically so you can see the before-and-after relationship between the existing structure and the new space before anything gets built. For older homes in Old Town or Centaur Village, that matching process takes real care, the materials and profiles from the 1960s and 1970s don’t always have a direct modern equivalent, and sourcing or fabricating the right match is part of what we do. The goal is that someone walking by your finished home wouldn’t be able to tell what was original and what was new.

Start The Conversation

Add the Space
Your Lafayette Home Has Been Waiting For

When your Lafayette home has the right address but the wrong square footage for the family you’re actually living with, an addition or ADU is often the smarter move. A parent who deserves their own entrance, not a converted guest room. An older ranch that finally gets the primary suite it was never built with. Real architectural integration, matching roof pitch, matching materials, so nothing looks like it arrived from somewhere else. Christie’s Design/Build Remodeling navigates Lafayette’s lot coverage rules, its ADU matching requirements, and every step in between, so what gets built genuinely belongs to your home.
Start Planning Your Project
(303) 833-4715

Our Other Remodeling Services

Kitchen
Remodeling

Learn More

Basement
Finishing

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Whole-Home
Remodeling

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Bathroom
Renovation

Learn More

Deck
Construction

Learn More

Outdoor
Living Spaces

Learn More

From The Blog

Your Lafayette Home
Has More Space Than You Think

Building an addition or ADU in Lafayette, especially on an older ranch where lot coverage, asbestos, and architectural matching requirements all come into play, raises questions most homeowners haven’t had to think through before. Our blog covers those decisions honestly, from permit sequencing and design choices to what makes new space feel like it genuinely belongs.