Basement Excavations & Conversions

With every square foot of living space at an all-time high, why move when you can extend above and below ground!!

The db design&build team can take your dream and turn it into reality we are skilled in the development of Basements. We are one of the leading basement specialist companies in London.

Expert in basement excavation, basement conversions and basement construction, and the final design we have the knowledge to create the perfect basement tailored to your requirements.



db design&build has a team of experienced and knowledgeable surveyors who can examine the structure and fabric of your building, to consider the feasibility of both the basement works and other proposed building works.


A member of the db design&build team is assigned to you during all stages of the design process, to ensure a full understanding of your requirements from the outset. Your project manager will remain your main point of contact throughout time were with you.


db design&build is one of very few true basement design and basement build companies that offer both basement design and basement build together is the only way to condense pre-contract design works, maintain tight contract programs and ensure the quality and standards the project requires.


db design&build has a large number of structural teams, as well as waterproofing and site set up crews, which provides the manpower and expertise to undertake your project.


Many of our clients started asking us to do refurbishment and structural works on the existing above ground parts of their homes in conjunction with the construction of the new basement space. We have completed many refurb projects large or small all over London and the Home Counties.


With so many basement conversions completed, db design&build has built up an outstanding reputation for being professional, trustworthy, quality driven in our field. Pushing the boundaries of basement conversions, db design&build meets all of our client visions and expectations, making us the company of choice for basements in London.

With vast experience across the complete process of basement construction, db design&build provides a fully professional service that incorporates basement planning, design and construction. We develop long term partnerships with our suppliers, to deliver the ultimate level of quality and service to each basement project.


Give us a call...

0800 195 6593


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