Best Builders in Sutton, London

Builders in Sutton carry out extensions, loft conversions, refurbishments, kitchens, bathrooms and general repairs. Below you will find our selection of 5 builders in Sutton, with address, phone number, website and opening hours for each one, followed by practical advice on choosing the right builder, typical prices and answers to common questions.

5listed
1with phone number
2with website

5 Builders in Sutton

3Jaaz Building Contractors

Address
137 Stafford Road, London, SM6 9BN
Directions

4Main Building

Address
Croydon Road, London, SM6 7PH
Directions

5Chambers Design & Build

Address
24b The Parade, London, SM5 3RL
Directions

How to choose a builder in Sutton

  • Check planning permission and Building Regulations requirements before work starts.
  • Get at least three detailed, itemised quotes.
  • Look for membership of the Federation of Master Builders (FMB) or TrustMark.
  • Agree a written contract with stage payments; never pay the full amount upfront.

Checks and regulation: Most structural work needs Building Regulations approval; work on shared walls may need a Party Wall agreement.

How much does a builder cost in Sutton?

Single-storey rear extensions in London typically cost £2,500–£3,500 per m²; loft conversions £50,000–£90,000. Prices vary by area, time of day and the complexity of the job or service, so always ask for a written quote or check the latest price list before you book.

Builders across Sutton

Sutton covers neighbourhoods such as Sutton, Cheam, Carshalton, Wallington, Worcester Park, Belmont, Hackbridge, Beddington (postcodes SM1, SM2, SM3, SM5, SM6, KT4). The builders listed on this page are located in or around CR0, SM6, SM5. Getting around is easy thanks to Southern and Thameslink trains and London Trams nearby. If you live close to the borough boundary, it is worth comparing options in neighbouring boroughs too.

Builders in nearby boroughs

Frequently asked questions

Do I need planning permission for an extension in Sutton?

Many rear extensions fall under permitted development, but conservation areas and flats have stricter rules. Check with Sutton council.

How long does an extension take?

A single-storey rear extension usually takes 10–16 weeks once work starts.

What is a Party Wall agreement?

If you build on or near a shared wall, you must give your neighbours notice under the Party Wall etc. Act 1996.

Listings are compiled from public business information and OpenStreetMap (© OpenStreetMap contributors, ODbL). Details can change, so please confirm opening hours and prices with the business before visiting. Businesses can request corrections via our contact page. Last reviewed: September 2026.