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Home additions

Home Additions in Northern Virginia

Love your neighborhood but need more space? A well-planned addition gives you the room you need without the cost and disruption of moving. We design, permit and build additions that look like they were always part of your home.

  • Free 3D design
  • Permits handled
  • One project manager
  • Since 2010
4.7

Google rating · Since 2010

  • Best of Houzz 2022 Design award
  • Best of Houzz 2021 Design award
  • Best of Houzz 2021 Service award
  • Best of Houzz 2020 Design award
  • Best of Houzz 2019 Service award
  • Angi Super Service Award 2020
  • Angie's List Super Service Award 2019

Popular types of additions

Kitchen bump-outs

Extend the kitchen a few feet to fit an island, a breakfast nook or a walk-in pantry.

Primary suite additions

A new bedroom, walk-in closet and spa bathroom, often on the main level for easier living.

In-law & guest suites

Private living space for aging parents or long-term guests, with its own bathroom and entry if needed.

Family room additions

A bright gathering space that opens to the kitchen, with large windows and room for everyone.

Mudrooms & entries

A practical drop zone with built-in lockers, benches and laundry close to the garage.

Second-story additions

Add bedrooms and bathrooms by building up when your lot doesn’t allow building out.

From plans and permits to the final walkthrough

Additions involve more than construction: zoning setbacks, lot coverage, structural design, HOA review and county permits all come first. We coordinate architectural plans and engineering, submit the permits and manage every inspection, so you deal with one team from concept to completion.

Inside, we match rooflines, siding, windows and trim so the new space blends seamlessly with your home — and we tie into your existing heating, cooling, plumbing and electrical systems properly. Unlock your savings →

What’s included

  • Feasibility review and 3D concept
  • Architectural plans and structural engineering
  • Zoning, HOA and permit coordination
  • Foundations, framing and roofing
  • Windows, siding and exterior trim to match
  • Plumbing, electrical and HVAC tie-ins
  • Insulation, drywall and interior finishes
  • Final inspections and cleanup

How it works

From first idea to final reveal in 4 simple steps

A clear, proven process with one project manager leading the way and updating you at every step.

  1. 01

    Free consultation

    Visit our Chantilly showroom or book an in-home visit. We measure, listen and talk budget openly.

  2. 02

    3D design

    Our designers turn your ideas into a photo-realistic 3D rendering and a clear, itemized proposal.

  3. 03

    Refine & select

    Pick cabinets, counters, tile and fixtures with our team. We lock the plan, price and schedule.

  4. 04

    Build & reveal

    A dedicated project manager runs permits, trades and cleanup — and keeps you updated daily.

Reviews

Homeowners love working with us

Rated 4.7 out of 5 on Google by 78+ Northern Virginia homeowners.

Read all reviews
Google review
“This was my first time remodeling anything. I hired ABC for a kitchen remodel. They designed a beautiful kitchen with a huge island. I didn’t have an island before and I love how it all came out. They were patient with me with choosing all the material.”
BW Brittany WolcottKitchen remodel
Google review
“ABC Kitchen & Bath did a phenomenal job with remodeling 1 bathroom and 1 powder room. They provided great results/value at a reasonable cost. Hakan and his team provided excellent customer service from the beginning phase through final installation.”
JA Jim AreklettBathroom + powder room
Google review
“The fellows that installed my new cabinets were professional and cared about their craftsmanship. Easy to work with. They take care of everything from start to finish. I can easily and highly recommend.”
WW Wittney WinickiCabinet installation

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4.7/5 on Google (703) 498-2121

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FAQ

Home Additions FAQ

Can’t find your answer? Call us — a real person picks up.

(703) 498-2121
Do I need permits and HOA approval for an addition?

Yes. Additions require building permits and must meet zoning setbacks, and most HOAs require architectural review for exterior changes. We prepare the plans and coordinate the approvals.

Is it cheaper to add on or move?

It depends on your home and goals, but an addition often costs less than buying, selling and moving — and you keep the neighborhood, schools and lot you love. We’ll give you a clear estimate to compare.

Can I stay in my home during an addition?

Usually, yes. Most of the work happens outside the existing house until the final connection, which we schedule to minimize disruption.

How long does a home addition take?

Design and permitting typically take a few months, and construction length depends on size and complexity. We give you a detailed timeline before starting.

Offer ends this month

Don’t miss up to $3,000 OFF your remodel.

Plus a FREE 3D design rendering ($750 value) and a free in-home estimate.

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Prefer to talk? (703) 498-2121