Building your dream home in the prestigious SW1 area begins with choosing experienced local builders in Westminster who understand the unique character of the area’s Georgian and Victorian properties. With over 14 years of experience , Proficiency Design & Build has transformed heritage townhouses and luxury apartments across Westminster through award-winning craftsmanship, meticulous planning, and premium finishes that meet the highest standards. Whether you’re looking for a complete home refurbishment, a bespoke extension, or a heritage renovation, our local team delivers projects tailored to your vision and lifestyle.
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Fantastic builders who really care about the quality of finish.
This stunning home renovation highlights the full range of services Proficiency offers. A complete loft conversion and bathroom refurbishment set the tone, with marbled tiles creating a modern aesthetic. Floating vanities and brass fittings add elegance, while dark mottled black splashbacks and cabinetry bring cohesion to the kitchen.
Get a Quote View ProjectBefore any building work begins, our team of interior designers, structural engineers, and ARB and RIBA-qualified architects carefully assess your space to understand your goals and vision. From there, we develop detailed 3D drawings that bring your concept to life.
Our dedicated project managers coordinate between all tradesmen and building officials while maintaining clear communication with homeowners at every stage of the build. They oversee every detail to ensure time frames are met, budgets are adhered to, and the entire process runs smoothly from start to finish.
Every Proficiency project in Westminster is completed to the highest standard, with meticulous attention to detail and exceptional customer service. Our professional building contractors offer full turn-key services, whether you're in Maida Vale, Mayfair, or Covent Garden.
The Westminster area is rich with architectural heritage, featuring a mix of Victorian and Georgian buildings that define Greater London's most prestigious postcodes.
Proficiency’s specialise in a wide range of eco-friendly building techniques and have a deep understanding of planning permission requirements across this historically significant area.
Whether it's converting historic buildings, such as former government buildings and churches, into luxury residential homes or renovating existing properties into contemporary abodes, our team of local contractors in Westminster has the expertise to get the job done.
Our reliable builders have established relations with the Westminster City Council's planning department, navigating the complex requirements that apply to properties in conservation areas and listed buildings.
From Victoria and St James's on the South East side to Regent's Park in the north and the affluent suburbs of Belgravia and Mayfair, we deliver the exceptional craftsmanship and top-tier customer service that homeowners expect in these prestigious neighbourhoods.
Transform unused attic space into stylish living spaces with our loft conversion services. From mansard roof extensions on Victorian townhouses to contemporary dormer additions on Georgian properties, we handle all planning permissions and building regulations on your behalf.
Create additional space in your Westminster property with our home extension services. Whether you envision a kitchen refurbishment or extension to a side return, we deliver exceptional results no matter where you're situated in Westminster or the surrounding areas.
Rethink underutilised basements and create luxury wine cellars, home cinemas, gyms, spare bedrooms, or additional living rooms for your growing family. We manage complex structural engineering, waterproofing, and party wall agreements essential for Central London basement projects.
Completely transform your SW1 house into the home of your dreams with our comprehensive home renovation services. With Proficiency's full service, you can rest assured your home improvement project is in safe hands and built to the highest standards of the construction industry.
The costs of Westminster builders vary depending on the project scope, what structural work is involved, and which finishing touches you choose. Here is a rough cost estimate breakdown:
If you're ready to transform your residential property, you need professional builders in Westminster who understand your vision and are known for their high-quality construction work. Proficiency's skilled team has the knowledge and expertise to deliver exceptional results throughout Westminster's most sought-after addresses.
