Home Additions

Home addition design and construction expands the square footage of your home, creating stunning beauty and value. Addition contractor projects include master bedroom additions, kitchen bump out additions, bathroom additions, sunroom additions, porch additions, attic additions, 2nd story additions, pop up additions, and more.

Hammer Design Build Remodel will develop and coordinate the architecture and design planning to convert your existing home into a stunning space for your whole family. Your happiness, guaranteed!

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.


Browse Some Of Our
Home Addition Projects

Browse Our Portfolio
Brows Our Portfolio

Interior remodel in Gaithersburg

Brows Our Portfolio

Kitchen remodel in Washington DC

Brows Our Portfolio

Whole home renovation in Wesley Heights, Washington DC

Frequently Asked Questions

Instagram Gallery

Did someone say multi-room remodel overview? ✨Here we renovated the kitchen/dining area, laundry room, and primary bathroom.

Need to renovate your home? Send us a message or click the link in our bio to request a consultation today!

The difference between the before and after of this bathroom is absolutely stunning 😍 We reoriented both the layout and design of the bathroom, creating a more spacious and modern feel. The green, black, and white features perfectly blend together to create a completely different tone of the space.

Want to spice up your bathroom like this one? Contact us today! (Link to our website in our bio)

Before ➡️After: laundry room edition! 🧺 ...

Wow! Check out this DC kitchen remodel! 👩🏻‍🍳 We incorporated both blue and white custom cabinetry, two colors that tie the elements within the kitchen together nicely.

We also renovated this homeowner's laundry room and upstairs bathroom. Stay tuned for videos revealing those!

Like this Kitchen? Contact Hammer tdoay to see what we can do for you!

Here is a spectacular home gym remodel completed by us! 🏋️‍♀️💪The gym is located in the homeowner’s basement, which was previously unfinished. As a gym influencer, our client told us he needed a space where he could create fitness content. After hearing his needs, we put together this wonderful gym design, so our client could continue his profession from the comfort of his home!

In need of a remodel? Click the link in our bio to contact Hammer today!

Wow! We received such a lovely review from our most recent client. We are truly grateful for their kind words and high praise of us 😊💗

Link to the full review:

Like what you’re hearing and interested in learning more? Click the link in our bio to check out our website!

This upstairs bathroom for our recent whole home renovation is the perfect example of simple yet stylish.

If you are looking to renovate your home, click the link in our bio and request a consultation today 😊

Bathroom #1 of one of our more recent whole home renovations! The wallpaper is one of our favorite aspects of the design 😍 Comment below if you like it too! ...

This error message is only visible to WordPress admins
There has been a problem with your Instagram Feed.

Request A Consultation