Best Builders in Bexley, London

Builders in Bexley carry out extensions, loft conversions, refurbishments, kitchens, bathrooms and general repairs. Below you will find our selection of 10 builders in Bexley, 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.

10listed
10with phone number
6with website
1open on Sundays
1open 24 hours

10 Builders in Bexley

2Leadway Developments & Construction Limited

Address
39 Woodlands Park, Bexley DA5 2EN
Phone
+44 20 8306 0633
Opening hours
Mon–Fri 7:30 AM-6:30 PM · Sat 7:30 AM-12 PM · Sun Closed
DirectionsCall

6Oakmore Builders Limited

Address
The Brew House Old Bexley Business Park, 34 The Hopstore, Bexley DA5 1LR
Phone
+44 20 3673 3333
Opening hours
Mon–Fri 8 AM-5 PM · Sat–Sun Closed
DirectionsCall

How to choose a builder in Bexley

  • 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 Bexley?

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 Bexley

Bexley covers neighbourhoods such as Bexleyheath, Sidcup, Welling, Erith, Crayford, Bexley Village, Blackfen, Thamesmead (postcodes DA5, DA6, DA7, DA8, DA14, DA15, DA16, DA17, DA18, SE2, SE28). The builders listed on this page are located in or around DA5, DA7. Getting around is easy thanks to Southeastern trains to London Bridge, Cannon Street and Charing Cross, and the Elizabeth line at Abbey Wood.

Frequently asked questions

Do I need planning permission for an extension in Bexley?

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