THE MARKET DESIGN AND BUILD LONDON

The Market Design & Build is London’s leading home extension and loft conversions company. Having undertaken hundreds of bespoke projects, including roofing, loft conversions, home extensions and new builds, we have established ourselves as one of the most dedicated and professional Design and Build companies in London and the surrounding areas. Unlike many other firms, we keep everything under one roof and offer a complete end-to-end service including the consultation, planning, design and execution of a project.


We are a trusted and much sought-after company with many satisfied and returning clients who have kindly given us over 700+ positive reviews on Checkatrade and a 5-star rating on Google Reviews.


Whether you are looking for a brand-new kitchen extension, a loft conversion or even a complete home refurbishment, The Market Design and Build London is here to assist you. Our professional in-house team have a wealth of knowledge and experience which we can use to help you build the property of your dreams.


  • CONFEDERATION OF ROOFING CONTRACTORS
  • Arb Register architects
  • Riba Registered Chartered Practice
  • HIP Insurance
  • LABC REGIONAL FINALIST 2017
  • LABC REGIONAL FINALIST 2018
  • LABC REGIONAL FINALIST 2018
  • Houzz
  • Houzz
  • Houzz
  • Houzz
  • build zone insurance
  • LABC
  • CHECKATRADE LOGO