Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.81 (8 reviews)

Find affordable Keynsham extension builders now

Extension builders rates in Keynsham range from £28/hour £219/day (MSH Construction (Bristol) Ltd) to £40/hour £318/day (GARY G BOND LIMITED). To see prices and availability now for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

We send your job to ALL Keynsham extension builders

Compare quotes

Available extension builders in Keynsham reply

Save Money

Select your affordable Keynsham extension builder

Post your job

Sort by

"Single storey extension" - BS4, job posted 17/05/26

"Gallow brackets or rsj beam fitted into a loft to support a chimney breast which is currently supported by timber" - BS15, job posted 25/03/26

"RSJ installation" - BS14, job posted 25/03/26

"Garage conversion" - BA2, job posted 17/09/24

"Hi I was hoping to get a quote for the renovation of an entire house. It’s about 60 years old. I would need: 1. potential plastering of walls, r 2. removal of an existing kitchen & fitting of new 3. Removal of 1 bathroom & fitting of 2 4. garage conversion 5. flooring & carpet, ..." - BS1, job posted 05/09/24

"Hip to gable loft conversion" - BS30, job posted 20/06/24

"RSJ installation Kitchen extension" - BS14, job posted 03/06/24

"Loft conversion for 1930's semi - staircase and loft boarding and eaves, review of roof as it may need repairs. No electrics or plumbing needed." - BS14, job posted 30/07/23

Compare Keynsham extension builders rates

Compare Keynsham extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Keynsham	£33	£251
Extension Builders near Kingswood	£34	£257
Extension Builders near Bristol	£33	£255
Extension Builders near Bath	£32	£249
Extension Builders near Clifton	£33	£255
Extension Builders near South Gloucestershire	£34	£260
Extension Builders near Yate	£34	£263
Extension Builders near Bradley Stoke	£34	£259
Extension Builders near Portishead	£33	£247
Extension Builders near North Somerset	£32	£245

Job estimates from extension builders near you

Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £26,088

Garden office - £10,088

Granny annexe - £87,088

Build a flat roof extension - £22,088

Convert a Garage - £16,088

Hip to gable loft conversion - £42,088

Convert a bungalow loft - £29,088

Build a dormer loft conversion - £42,088

Build a swimming pool - £81,088

Build a Mansard loft conversion - £52,088

Concrete foundations - £6,338

Underpin a building - £17,588

Two storey extension - £88,132

Convert a basement - £38,490

Side return extension - £42,490

Loft conversion - £34,575

Garage - £18,588

Single storey extension - £56,760

Outbuilding - £10,088

Install an RSJ - £2,288

Build a kitchen extension - £42,088

More extensions & conversions cost guides...

People in Keynsham searching for a Extension Builder also viewed...

Painter and Decorator

The Largest Database of UK Trade Rates

At HaMuch we know what tradespeople charge because we have the largest database of rates anywhere in the UK. If you want quotes for jobs at the right price for you, post your jobs with HaMuch and get your home improvements kickstarted straight away!

Appliance Repair Specialist

Conservatory Specialist