Specialists
Local Builders in Chelsea
Creating a stunning home in the Royal Borough of Kensington and Chelsea begins with a homeowner's vision and expert Chelsea builders who understand luxury and premium workmanship.
At Proficiency Design & Build, we combine 14 years of experience with meticulous attention to detail to deliver high-quality homes that exceed your expectations.
We strive to be London's leading construction company, driven by a passion for quality craftsmanship.
Featured Construction Project
Chelsea, SW3
This bespoke double-storey house extension showcases the exceptional building work and expertise of our skilled team. We completely transformed this dated property into the homeowner's dream home. The striking black and white aesthetic runs throughout, with pane-trimmed windows opening onto the back garden, in-built cabinetry in the living room providing ample storage, and pops of colour in the guest bathroom adding a touch of personality.
Get a Quote View ProjectWhy Choose Proficiency
Federation
of Master Builders
As accredited members of the Federation of Master Builders, we ensure professional standards and quality workmanship across all our building projects.
Fully Insured
Comprehensive coverage including Public Liability, Professional Indemnity, and Contractors All Risk. We are also NICEIC and Gas Safe approved for your peace of mind.
Considerate Constructors Scheme
Committed to minimising disruption through respectful and considerate building practices and eco-friendly techniques.
Building Specialists In Chelsea
At Proficiency, our team of skilled building contractors brings unparalleled expertise to construction projects across Chelsea, SW10.
We understand the unique challenges of working in this prestigious South West London area, where properties are subject to strict conservation regulations. Even minor external alterations or house extensions often require planning permission from the local council.
Whether you're transforming a Victorian or Edwardian period property that requires a wealth of experience, or planning a bespoke new build that needs detailed architectural drawings for approval, we're the trusted local expert here to guide you every step of the way.
From initial design concept to completion, we ensure every detail of your building project meets the highest standard of the construction industry.
Our interior designers work closely with you to bring your vision to life, dedicated project managers oversee timelines, and our craftsmen only use quality materials and luxury finishes, delivering the top-tier quality Chelsea homeowners expect.
With a 4.9/5 star Google rating, our reputation reflects the high-end customer service and results we consistently deliver to our customers.
Our Building Projects
Our Premium Building Company
Proficiency Design & Build aims to be London's leading luxury construction company, offering award-winning designs and first-class refurbishment services at competitive prices.
Since 2011, we've been the trusted contractors in Chelsea for all structural alterations, high-end renovations, and expert project management.
Our Building Services
Loft
Conversions
Transform your unused attic space into stunning living areas, bedrooms, gym rooms, or home offices with our expert loft conversion services.
House
Extension
Create additional living space with our bespoke extension services, tailored to your specific needs and lifestyle. From kitchen extensions to double-storey additions, we transform your Chelsea house into the home of your dreams.
Basement
Conversions
Building below ground is the easiest way to add square footage to your South West London property. Use our premium basement conversion services to create temperature-controlled wine cellars, entertainment areas, or extra living space for your growing family.
Home
Renovations
Revamp your home with our stylish, eco-friendly home renovation services. Whether you envision a new kitchen, bathroom, or complete upgrade of the interior, Proficiency has the expertise to exceed your expectations.
How Much Do Builders in Chelsea Cost?
The price of building experts in Chelsea can vary, depending on the project scope, the amount of structural work needed, and which high-end finishes you choose.
- Basic interior refurb: Starts from around £650 per square metre
- Full interior renovation: From about £1,100 per square metre
- Bathroom refurbishments: Ranges from £9,000 to £20,000+
- Bespoke kitchen renovation: Starting from £15,000 to £35,000+
- Double-storey extension (40 m²): From £48,000 to £88,000+
Work With Local Chelsea Building Experts Today
Proficiency Design & Build is the trusted local builder in Chelsea. Whether you're upgrading a period home or planning a contemporary extension, we bring precision, creativity, and care to every construction project. Reach out to us today to discuss your needs.
