Contemporary open plan Kitchen design and build by Proficiency
| 4.9 50+ Reviews
Considerate Construction Scheme
Basement
Specialists

Local Builders in Kensington

Building your dream home begins with choosing experienced local builders in Kensington who understand the unique character of the area's Georgian terraces, Victorian mansion blocks, and Edwardian townhouses.

With over 14 years of experience, Proficiency Design & Build has transformed heritage properties and luxury apartments throughout the Kensington area. Our team combines careful planning with award-winning craftsmanship to deliver results that exceed expectations.

High end side return extension
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Rated 4.9/5 on

Fantastic builders who really care about the quality of finish.

Portrait of Oliver Meek

Oliver Meek ( Director At Rio Cinema )

Proficiency's Building Process

Concept

Before starting any construction project, our Kensington builders, interior designers, and ARB and RIBA-qualified architects conduct a thorough site assessment. This process ensures the feasibility of any structural work, while detailed 3D floor plan drawings allow you to visualise the finished space.

Project Management

Every home extension or renovation project is overseen by an experienced project manager who orchestrates each stage of the building process.

From securing planning permission with local authorities to coordinating multiple tradesmen, they keep your project on schedule and within budget, all the while working to the highest standards.

Completion

Our skilled team of building contractors creates beautiful homes that consistently exceed expectations. With our full turn-key home services and uncompromising client-first approach, we deliver top-tier results and complete customer satisfaction.

Luxury Home Transformations

Working in Kensington means navigating some of London's most rigid planning and conservation restrictions.

The area's rich architectural heritage includes Georgian terraces along Exhibition Road, Victorian mansion blocks near Kensington High Street, and Edwardian properties throughout the South and West Kensington postcodes.

Our deep experience with these properties means we understand how to preserve period details like ornate cornicing, original sash windows, and heritage stonework while integrating modern touches.

Moreover, our established relationships with the Royal Borough of Kensington and Chelsea planning department help streamline approvals for conservation area applications. We specialise in heritage building compliance, listed building consent, and managing complex planning permissions for properties across the Kensington area.

Whether you're planning to renovate a luxury apartment in Kensington Gardens or restore a historic property overlooking Hyde Park, our team of professionals has the expertise to bring your vision to life.

Our Building Projects

open plan kitchen extension
The Avenue, Queen's Park Side Return House Extension View Project
Modern house renovation
Conewood Street, Highbury Side Kitchen Extension View Project
kitchen
Cambridge Road, Twickenham Open Plan Kitchen Extension View Project
open plan Kitchen renovation
Wesbere Road, West Hampstead Kitchen Renovation View Project

Our Construction Company

Since 2011, Proficiency Design & Build has been Kensington's trusted building company, delivering exceptional results for discerning homeowners in London's most sought-after borough.

Our track record speaks for itself, with a 4.9/5 star Google rating that reflects our commitment to high-quality craftsmanship and client satisfaction.

  • Federation of Master Builders: Our accredited membership guarantees adherence to the UK’s highest industry standards and ethical building practices.
  • Fully insured: Comprehensive insurance coverage including Public Liability, Professional Indemnity, and Contractors All Risk for your peace of mind.
  • Considerate Constructors Scheme: Our registration shows our commitment to minimising disruption to neighbours and protecting the local environment.

Our Premium Building Services

Modern mansard attic conversion with Velux windows

Turn unused attic space into luxury bedrooms, home offices, or entertainment areas with our loft conversion services. Whether it's a dormer extension on Victorian properties or a mansard extension for larger homes, we create bright, functional rooms flooded with natural light.

double storey home extension with large windows and open plan kitchen

Expand your living space with our bespoke home extension services in Kensington. We handle all planning and building regulation management for SW7, SW5, and W8 properties on your behalf.

underground basement stairs leading to cellar room

Our professional basement conversion services unlock hidden potential beneath your South London home. Create elegant wine cellars, home cinemas, or luxury living spaces for the whole family to enjoy.

side extension

Reimagine your Kensington home with our full-spec renovation services. Whether it's a bespoke kitchen extension, bathroom refurbishment, or complete property overhaul, our dedicated team delivers exceptional craftsmanship and timely turnarounds.

How Much Do Builders in Kensington Cost?

The price of Kensington builders can vary, depending on the size of the project, the structural work involved, and the luxury finishes you choose. Here's a rough cost guide:

  • Interior design: From £1,100 to £2,000 per m²
  • Kitchen renovation: £45,000 to £70,000
  • Bathroom refurb: Starting from £15,000
  • High-end house renovation: £45,000 to £110,000+ (3-bed home)
  • New builds: Starting from £3,500 per m²
Building a room

Work With Local Kensington Builders

Transform your SW7 property with the expertise of Proficiency's local builders in Kensington. Our team of professionals brings creative vision, luxury craftsmanship and meticulous attention to detail, offering professional advice for your next building project. Contact us to discuss your unique needs today.

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