• our team
  • Fairlie kitchen
  • Fairlie loft + extension
  • fairlie all kitchen
  • fairlie loft
  • fairlie
  • another happy costumer
  • notting hill gate

Welcome to the Summit Group Building Company,
an all round London building construction company

We specialise in house extensions, loft conversions, full refurbishments and other house extension or house renovation building services in east London, west London and the Essex area.  

Why choose us? When it comes to a house extension Wanstead, Epping, Woodford and other areas in London and Essex area have lots of construction companies to choose from but at SGBC you will find straightforward advice, great customer service and affordability all come as standard as does quality craftsmanship to carry out your house extension, loft conversion or building renovation project. That’s why we carry out a lot of house extensions and loft conversions London wide, including Fulham, Chelsea, Kensington, Battersea, Hammersmith, Richmond, Clapham and similar areas.


We provide our customers with a complete A to Z of building and construction services making it easier, quicker and cheaper to get your house extension completed without you having to deal with different builders, carpenters, plumbers and electricians to take care of the exterior and interiors aspects of your building project.

As a result we receive repeat bookings from past clients and lots of word of mouth recommendations for our house extension services. Our customers say our work is high quality, that we’re professional and, equally important, we are reliable, friendly and helpful. We’re sure you’ll agree that that’s all that matters when you are trying to choose a building company to carryout your house extension, loft conversion or full renovation job.

Every trade and every care to complete every job to a high quality finish

  • Dedicated customer services support
  • Fully qualified and experienced tradesmen
  • Free estimate by quantity surveyor with detailed breakdown of cost of your project
  • Expert advice from tradesmen happy to share their expertise
  • Operating all over London, including Wanstead, Chigwell, Epping, Woodford, Fulham, Chelsea, Kensington, Battersea and Hammersmith.