Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.7 (20 reviews)

Find affordable Avonmouth extension builders now

Extension builders rates in Avonmouth range from £28/hour £222/day (MSH Construction (Bristol) Ltd) to £38/hour £287/day (N J Laity & Son & Grandson's). To see prices and availability now for your job click green button.

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"Single storey extension" - BRISTOL, job posted 06/08/26

"Garage conversion" - BS6, job posted 05/03/26

"Loft conversion" - BRISTOL, job posted 23/12/25

"I would like to do a loft in my 3 bedroom house." - BS10, job posted 12/08/25

"Side return extension" - BRISTOL, job posted 07/08/25

"Build a kitchen extension" - BS7, job posted 02/07/25

"Side return extension" - BRISTOL, job posted 02/07/25

"Side return pitch roof extension with structural knock through and bifolds across back of house" - BRISTOL, job posted 02/06/25

"Need an extension builder" - BRISTOL, job posted 28/05/25

"Extend a building outside attached to home. Make an extra bedroom" - BS10, job posted 23/04/25

"Loft conversion" - BRISTOL, job posted 10/04/25

"Velux or small Dormer Window Loft conversion of a terraced house" - BRISTOL, job posted 03/04/25

"Loft conversion" - BRISTOL, job posted 03/04/25

"Side extension, 18sqm, 3.1mx5.75m, ground condition part paving part grass, 2 power point, no water, 2 top hung operable windows, 1 doors and the rest fixed glazing, solid roof2 roof lights standard size. Interior plasterboard paint skimmed and laminated timber floor. No heating but 8 spot lights...." - BRISTOL, job posted 20/03/25

"Side return extension" - BRISTOL, job posted 20/03/25

"Build a Single Storey Rear kitchen extension. 5.3m x 2.6m" - BS41, job posted 07/03/25

"Side return extension" - BRISTOL, job posted 06/01/25

"Kitchen extension" - BRISTOL, job posted 24/09/24

"Side return extension" - BRISTOL, job posted 20/09/24

"Rear extension End terrace 5 x 3m" - BRISTOL, job posted 23/07/24

Compare Avonmouth extension builders rates

Compare Avonmouth extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Portishead	£33	£247
Extension Builders near Clifton	£33	£255
Extension Builders near Bristol	£33	£255
Extension Builders near Bradley Stoke	£34	£259
Extension Builders near Kingswood	£34	£257
Extension Builders near Clevedon	£32	£243
Extension Builders near North Somerset	£32	£245
Extension Builders near South Gloucestershire	£34	£260
Extension Builders near Keynsham	£33	£251
Extension Builders near Yate	£34	£263

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 - £26,048

Garden office - £10,048

Granny annexe - £87,048

Build a flat roof extension - £22,048

Convert a Garage - £16,048

Hip to gable loft conversion - £42,048

Convert a bungalow loft - £29,048

Build a dormer loft conversion - £42,048

Build a swimming pool - £81,048

Build a Mansard loft conversion - £52,048

Concrete foundations - £6,298

Underpin a building - £17,548

Two storey extension - £88,072

Convert a basement - £38,040

Side return extension - £42,040

Loft conversion - £34,200

Garage - £18,548

Single storey extension - £55,960

Outbuilding - £10,048

Install an RSJ - £2,248

Build a kitchen extension - £42,048

More extensions & conversions cost guides...

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