Specialists
Building Company in London
For over a decade, Proficiency, a building company in London, has led all aspects of high-end construction. Whether you're looking to expand or refine your home with a loft conversion, new build rear or side extension, basement conversion, or a top-to-bottom refurbishment, our ethos is high quality first craftsmanship for the very best in residential design and build in London.
Every day, we aim to be London's premier construction company, delivering nothing less than our absolute best.
Local Project in London
Queens Park, NW6
This project involved the construction of a large, attractive rear and side extension to the house, which included an open-plan kitchen/living room and dining area. Additionally, the loft was converted to provide extra bedrooms and living space and the property was fully renovated throughout.
Get a Quote View ProjectLeaders in Design & Build
Heritage
Expertise
Specialists in heritage property and Georgian-style townhouses, preserving original character while integrating modern living.
Listed
Building Specialists
We expertly manage Listed Buildings, navigating permissions and regulations to ensure compliant, high-quality renovations.
Town House
Planning
Local London expertise ensures smooth planning approval for Town House projects, reducing delays and uncertainty.
Residential Refurbishment specialist
As a main contractor and principal contractor in North West London, Proficiency delivers luxury renovations and residential refurbishment projects with precision, care and strong technical oversight, supported by a dedicated architect service for cohesive project delivery. From basement construction and vertical extensions to heritage roof upgrades, we work on ambitious homes in areas such as Maida Vale and Earls Court, combining structural expertise with refined finishes such as skylights, steel frames, exposed timber, bespoke fireplaces and marble tiles.
Building Services
Featured in KBB Magazine
Industry recognition for exceptional design and craftsmanship
KBB Magazine
UK's Leading Kitchen & Bathroom Publication
One of our London kitchen extension was highlighted on the front cover of KBB Magazine, reflecting our dedication to innovative design and outstanding craftsmanship.
LATEST PROJECTS
A Complete Design & Build Service
We manage every stage of your project in-house, from initial design concepts and planning guidance through to construction and final finishes. With a single, dedicated team overseeing the entire process, you benefit from clear communication, better coordination and a more efficient build, ensuring your home is delivered to the highest standards without unnecessary delays or complications.
Why Our Building Company
When it comes to the quality and care that we put into every project, we think of ourselves as one of the leading building companies in London. This means that, as the right builder, we have the team, the interior design expertise and the commitment to a high quality that sets us apart.
TESTIMONIALS