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Washington, DC Home Additions

Expanding your living space with seamless home additions that blend perfectly with your existing structure, enhancing both functionality and aesthetic appeal.

At Landis, our home addition services are focused on expanding your living space while seamlessly integrating with your existing home. Whether you're looking to add a new room, extend your living areas, or create a dedicated space for work or relaxation, we work closely with you to design and build an addition that complements your home's character.

As Seen In

Washington, DC Home Additions

An addition can be anything from a small bump-out, to a single or multiple-level structure on a single-family home, or even a pop-up third-story addition on a rowhouse.

With every project that we do, our architects and designers aspire to create an addition that seamlessly blends with the existing house and site, and will happily advise you on the ideal square footage to fulfill your needs. Our team takes advantage of building new walls to improve insulation and weatherproofing, as well as add natural light and optimize your home's relationship to the surrounding landscape.

Uniquely Landis

With over 35 years of experience in the Washington, DC market, Landis Architects | Builders offers a comprehensive design-build solution that combines architectural excellence, skilled craftsmanship, and personalized service.

Elegant home addition with architectural details viewed from rear yard
In-House Expertise
Streamlined Process and Efficiency
Quality and Craftsmanship
Client-Centric Approach

See Our Latest Projects.

At Landis we don’t just follow trends, we establish them. Learn more about our Kitchens projects.

Chevy Chase Renewal and Expansion

Chevy Chase

Project Overview

This project added a two-story rear addition to an older home in Chevy Chase, Washington, D.C., near Rock Creek Park, giving the family a new open kitchen and great room on the first floor and a primary suite on the second. Landis worked with the homeowners from initial schematic design through DC permitting and construction to weave the new addition into the existing house so it reads as one continuous home rather than a box bolted onto the back.

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Woodley Park Timeless Traditional

Cleveland Park DC

Project Overview

This whole-house renovation reworked an existing home in Cleveland Park, Washington, DC. The project enclosed and enlarged its covered porches into a new mudroom and TV room, adding a new open porch and covered basement entry. It also fully remodeled the basement into a wine cellar, bath, and living space, along with a new second-floor bathroom. Landis worked with the homeowners from initial design through DC permitting and construction to update the home for how the family actually lives, while keeping its street-facing character intact.

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FAQS

How Should I Pay for My Renovation?
What is Design Build?
How Long Does a Renovation Take?
What Permits Will My Project Need?
What Will My Project Cost?

Start the Conversation.

Discuss your project needs with our award-winning team, designers and architects.

How long does a typical Additions project last?

While each project is unique, there are some typical times to expect for your general design and construction schedule.

Initial Design Review

2 - 4 Months

Next, our designers will ask about your overall goals for the home, including whether the renovation will cover both the interior and exterior. They will also inquire about your preferences for an open plan, the number of bedrooms and bathrooms needed, and if new windows and doors are required.

Permitting and Approvals

2 - 4 Months

As you finalize selections, our designer will be creating construction drawings to submit for a building permit. In D.C., the submission and approval process can take several months (it is a little shorter in Maryland and Virginia).

Construction ( Typical )

3 - 8 Months

Once we secure the permit, we will start demolition and move into framing, plumbing, electrical, drywall etc. The punch list of small items is the last segment. The timeline to completion depends on structural complexity and if an addition is involved. After that, you will be enjoying your beautifully renovated home.

Total Project Time : 7-16

7 - 16 Months

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