The Market Design & Build is London’s leading home extensions 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.


Trades offered

Builder
Builder general
Refurbishments
Patios and Driveways
Patios/Paving
Extensions/Conversions
General extension
Loft conversions
Bathrooms
Bathroom fitter
Brickwork
Brick work
Windows, Doors and Conservatories
Bifold doors
UPVC windows/doors
Skylight/Loft windows
Carpenter and Joiner
Staircases
General carpentry
Roofer
Roofing general
Plasterer
Plastering
Landscaper
Landscaping
Tiler
Floor tiling
Wall tiling
Kitchens
Kitchen installation
Painter and Decorator
Interior decorating

Case studies

Pinner House Extension

  • 10 Nov 2021
  • Harrow

Shepherd’s Bush Rear Double Storey Extension, Loft Conversion with Full House Refurb

  • 23 Aug 2021
  • Shepherd's Bush

See more case studies