Modern open plan Kitchen extension

Local Builders in South London

If you're after the best builders in South London, you need a construction company with a reputation for transforming properties into stunning residences that exceed all expectations. This is where Proficiency Design & Build comes in, trusted by homeowners since 2011. We do it all, whether it's a loft or kitchen extension, a new build, or a complete property revamp.

High end side return extension
extend your home

Tailored Building Solutions

High Quality Workmanship

basement contractors

Extension Builders

Our seamlessly integrated extensions not only enhance the functionality and aesthetic appeal of your property but also maximise space, creating breathtaking living areas.

london basement conversions

Conversion

Elegant basement and loft conversions that enhance your lifestyle. We specialise in custom-designed renovation projects built with your lifestyle in mind.

cellar conversion

Renovation

We transform houses into homes. From complete house refurbishments to exquisite kitchen and bathroom renovations—Proficiency Design & Build is the name you can trust.

Start-To-Finish Expertise

South London homeowners don't need to stress about their home extensions when they partner with Proficiency Design & Build's team.

We ensure high-quality work that meets the required building standards and regulations for your peace of mind. Your house renovation project is in good hands with our experienced team and dedicated project managers.

From complete renovations to stylish conversions, spacious extensions, and brand-new bespoke homes, we offer end-to-end tailored building solutions and reliable construction services that bring your vision to life.

WHY OUR BUILDING COMPANY

Experience unmatched quality with Proficiency Design & Build. We're proud of our 4.9/5 star Google rating, solidifying our position as London's leader in luxury construction.

  • We care about the planet, adopting sustainable building practices and waste reduction strategies for a greener tomorrow.
  • Using only the finest building materials, our building work meets the highest standards in the construction industry.
  • We are specialists in high-end renovations. Our personalised building project plans and client-first philosophy sets us apart from the competition.

Discover the difference professional building services can make when partnering with us. Expect on-time project management, transparent communication and sustainable home designs.

Our Building Projects

open plan kitchen extension
The Avenue, Queen's Park

Side Return House Extension
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navy blue kitchen
Islington, Canonbury

Rear Extension
Browse the Project

kitchen
Cambridge Road, Twickenham

Open Plan Kitchen Extension
Explore Project

renovation
Hillfield Road, West Hampstead

Wrap Around Extension
See the Project

Home Extension Builders in South London

A home extension can feel overwhelming. But at Proficiency Design & Build, we take the stress out of the process. You don't need to worry about planning permission or project management, as we handle everything for you.

If you're dreaming about beautiful kitchen installations, grand home improvements, elegant bathrooms, or a stylish garage conversion but don't know which builders in South London to use—trust Proficiency to turn your dreams into reality!

We'll exceed your expectations, whether you're in Chelsea, Fulham, Clapham, Wandsworth or Wimbledon-we specialise in the entire South West London areas, including Central London.

Our hardworking, professional team is the best in the building industry. They pay great attention to detail and work to a very high standard. You can't go wrong with our quality service!

Building a room

Work With Industry Leaders Today

Looking for the best builders in South London with a reputation for transforming properties into elegant living spaces? Guaranteed customer satisfaction? Or perhaps you're unsure how to bring your new home ideas to life? Look no further. Our award-winning team is ready to upgrade your home, contact us now!

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