# The Market Design & Build

The Market Design & Build is a design and build in Middlesex. Rated 4.9/5 from 246 public reviews across 1 named source. This is the MyTrustedTraders public-evidence profile — independent reviews, credentials and registry data cross-checked across named sources, with no ads and no paid placement.

## About
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 1,000+ 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.

## Public review evidence (by source)
| Source | Average rating | Reviews |
| --- | --- | --- |
| Houzz | — | 246 |

_Per-source review counts may overlap — they need not sum to the 246 cross-checked total above._

## Trades
Design And Build, Home Builders

## Independent verification
_What MyTrustedTraders independently checked for this business (verified items only):_
- Review volume: MTT is showing 246 public reviews on this profile. (via Houzz)
- Source profile spread: MTT is showing 2 source profiles for this trader. (via Houzz)
- Business identity: MTT is showing public business identity data with operating status unknown. (via MyTrustedTraders public listing)
- Contact phone: MTT is showing a public phone contact on this profile. (via MyTrustedTraders public listing)
- Website: MTT is showing a public website for this trader. (via MyTrustedTraders public listing)

Full verification checklist: https://mytrustedtraders.com/traders/the-market-design-build/checks

## Credentials & sources
- Verified credentials on file: 0
- Companies House status: unknown
- Evidence held from: Houzz
- Public evidence last checked May 2026

## Before you hire a design and build
_What to check when choosing this kind of trade — general guidance, not a claim about this business:_
- Look for consistent reviews across several named sources, not one polished profile.
- Check any verified credentials, and that the business details independently check out.
- Get a written quote and keep guarantee, insurance and payment terms in writing.
- Run the Cowboy Checker before you commit to anyone.

## Contact
- Phone: 07508745145
- Website: https://www.themarketdesignbuild.com

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Source: MyTrustedTraders — https://mytrustedtraders.com/traders/the-market-design-build
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.