What is a home addition?

Home additions are single to multi-room structures that are permanently added to your home and increase the square footage. Types of home additions include: kitchen bump outs, single room additions, sunroom additions, two story additions, three story additions, pop top additions, and more.

What is design build?

Design build is a project delivery method where a single company is responsible for both the design and construction phases of a project. This approach streamlines communication, saves time and money, and reduces stress by providing one unified team from concept through completion.

How long will my home addition take?

The timeline for your home addition project will vary depending on factors such as project size, the permitting process, and the selections process. A home addition can take anywhere from 3 to 12 months. Allow 4 to 12 months for design and permitting, and 6 to 12 months for construction.

Can a design build firm do the architecture?

Yes. A design build firm can handle all aspects of architecture as part of their scope, providing complete responsibility for both design and construction to create a seamless and efficient process.

What types of home additions do you build?

Hammer Design Build Remodel can help with any type of addition, including sunroom additions, two story additions, three story additions, master suite additions, in-law suite additions, kitchen bump outs, pop tops, and more.

How do I start my home addition?

Start by having a vision for how you want to use and design the space. The process begins with an initial phone consultation with a Creative Director, followed by an in-home consultation with a Senior Designer. Once you decide to move forward, you’ll meet your full design build team, including a Project Manager who oversees construction.

What is the permit process like for a home addition?

The permitting process varies depending on the project scope, and our team guides and supports you through each step. For more details, visit DCRA.gov.

How can I finance my home addition in Washington DC?

Financing depends on the value you want to add to your home and your personal valuation. Hammer Design Build Remodel can help you find local banks and mortgage lenders who will explain your options. We also offer exclusive financing programs, including no money down and no monthly payments for up to 18 months.

Home Additions

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Home
Additions

Kitchen
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Painting
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Expand Your Living Space With Custom-Built Home Additions

Expanding your home with a thoughtfully designed home addition gives you the extra space you need without compromising style or flow. Whether you’re creating a larger kitchen, a primary suite, or a multi-level extension, our design-build team ensures your addition blends seamlessly with your existing architecture. Many homeowners combine their addition with whole-home renovations or refine interior spaces through kitchen remodeling and bathroom remodeling.

For growing families or multi-functional living, pairing an addition with a full basement remodel creates even more usable space. After construction is complete, our detailed painting services provide a polished finish throughout your new and existing rooms.

We specialize in additions throughout Washington, DC communities including Spring Valley, Capitol Hill, and Chevy Chase DC. In Maryland, homeowners in Chevy Chase and North Bethesda frequently choose additions to improve both function and home value.

What are the benefits of a home addition?

The benefits of a home addition not only include receiving a high end renovation to meet your aesthetic and practical needs, but you’re also adding value to your home that offers a great return on investment. Washington DC and the surrounding counties are a strong, central hub for home appreciation, so any addition to square footage can be beneficial. Plus, you get to make the space exactly how you want it based off of how it will be used and your aesthetic preferences.

What does a home addition cost in Washington DC?

Home additions come in a few basic types to address homeowners' needs for living space, cost, and style. The following are different types of additions in Washington DC priced according to older homes with aging plumbing, electrical systems, settlement, etc issues. on the higher end and projects in newer homes to be on the lower end of the indicated figures.

Bump Out/One Story Addition (type of room involving no plumbing): $100k-$200k
Multi Story Addition: $200k-$350k
Additional Story/Level: $150k-$300k

What is the advantage of hiring a design build firm in DC?

The most obvious advantage of hiring a design build firm is dealing with one company for the duration of your projects from start to finish. Things tend to go more smoothly when there are less parties involved and when you work with a design build firm in DC, you don’t have to work with outside designers or project managers. With all construction parties being on the same team, it brings total accountability to the firm.

How We Work

Steps

1

Design Consultation & Agreement

We start with a complimentary consultation to understand your vision and explore design possibilities within your budget. Afterward, we enter into a design agreement, where we refine the project scope, create detailed plans, and provide renderings to bring your vision to life.

2

Construction Contract

Once the design is finalized, we move into the construction phase, managing all aspects including plans, materials, and budget, ensuring your project progresses smoothly and on schedule.

3

Warranty & Customer Service Program

As the project concludes, we introduce you to our Customer Service Program, providing ongoing support for any warranty needs, future projects, or emergencies, ensuring your satisfaction long after completion.

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Frequently Asked Questions

A design build firm is one company that is hired for the design and construction of a project. The design build process is an efficient way to save time, money and stress. When you hire a design build firm you enjoy working with one company instead of multiple companies. It simplifies an otherwise stressful remodeling process. Think of us as your one stop shop for your entire home remodeling project.

The most obvious advantage of hiring a design build firm is dealing with one company for the duration of your projects from start to finish. Things tend to go more smoothly when there are less parties involved and when you work with a design build firm in DC, you don’t have to work with outside designers or project managers. With all construction parties being on the same team, it brings total accountability to the firm.

We encourage you to start gathering design ideas. Use platforms such as Houzz, Pinterest, or even Instagram to gather design and remodeling ideas. This will help you to get a clear idea to communicate exactly what you like or don’t like with your design build firm. Another important aspect is thinking through how you intend to use the space. Aesthetics aside, how will this space work better for you? A new space that is functional and also aesthetically pleasing is the goal. You should also think about your budget early on in the process. What are your must-haves? What will you splurge or save on? Your Senior Designer will help you by sharing ideas and advice from years of experience.

A whole home renovation is worth it for someone who loves their neighborhood, their school district, and general location. A whole home renovation is the perfect alternative to moving. If you want a new look and feel, but don’t want to leave your home, then a whole home renovation is worth it! Plus, you get to make the space exactly how you want it based off of how it will be used and your aesthetic preferences.

Financing a whole home renovation will mainly depend on two things: desired value to add to your home and your personal valuation. However, with the DMV area being a central hub for home appreciation, the search for financing should not be a problem and that’s where we come in. We are more than happy to help you find multiple local banks and mortgage lenders that will thoroughly explain the process and options you have readily available.

One of the ways we help many clients in the DC, MD, & VA enjoy their homes sooner, is through flexible, secure, and affordable payment plans. Our financing programs cannot be found at your local bank and are often not available to “Chuck in the Truck” or your average contractor. Enjoy a range of programs that include absolutely NO money down and even NO monthly payments for up to 18 months, your Hammer design consultant will be able to find a promotional plan that makes your project completely affordable.

Do you love living in the city? Do you love your neighborhood and don’t want to relocate? Then you should consider a whole home renovation. You can work with a design build firm in Washington DC to create the home of your dreams - one that works perfectly for you. Not only are you getting a high end renovation to meet your aesthetic and practical needs, but you’re also adding value to your home that offers a great return on investment.

Home Additions

Expand Your Living Space With Custom-Built Home Additions

What are the benefits of a home addition?

What does a home addition cost in Washington DC?

What is the advantage of hiring a design build firm in DC?

How We Work

Steps

Design Consultation & Agreement

Construction Contract

Warranty & Customer Service Program

Transform Your Space Today

Browse Some Of OurHome Addition Projects

Interior remodel in Gaithersburg

Kitchen remodel in Washington DC

Whole home renovation in Wesley Heights, Washington DC

Frequently Asked Questions

Browse Some Of Our
Home Addition Projects