Find affordable extension builders
- Trusted, recommended Extension Builders
- Prices for extension builders in the UK
- Find a local builder who can convert your loft or build a side return extension at a great price
- Find out how much extension builder jobs cost
| Low | Average | High |
|---|---|---|
| £13 | £34 | £68 |
| Average hourly rate of 9080 extension builders in the UK excluding VAT or callout charge | ||
Extension Builders in the UK. The average hourly rate of the 10 Extension Builders listed is £38. Extension Builder rates vary with location. For example, Rescapes Construction Ltd in Hertfordshire charges from £48 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
Rescapes Construction Ltd
Trusted and professional extension builder in Hertfordshire. Experienced in all extension buildering work and keeping within budget and on quote. R...
"Side return extension" - THANET, job posted 14/03/24
K E Sainsbury Builders
Kevin Sainsbury
K E Sainsbury Builders is an established and experienced local extension builder in Dinton. Please contact us for a free, no obligation quote and c...
"Loft conversion in the terraced house. We have access to Loft and some sort of insulation was added to it when we moved it. We would want to convert it with stairs from the 1st floor landing area." - BT7, job posted 14/03/24
Bryan Loveday Services Limited
Bryan Loveday
Relax... you have found a reliable extension builder in Unit 4 Centurion Way, Crusader Park, War. Bryan Loveday Services Limited is a friendly and ...
"Loft conversion" - NOTTINGHAM, job posted 14/03/24
APB Services
Ash Brice
APB provides a range of building services, including carpentry, plastering and decorating but specializing in stone, brick and tile. If you ne...
"Side return extension" - NE25, job posted 14/03/24
Brighton Marina Hand Car Wash
Experienced extension builder ready to quote for your work. Brighton Marina Hand Car Wash is the best extension builder in Kemptown. No obligation ...
"Loft conversion" - STANFORD-LE-HOPE, job posted 14/03/24
D A P CONSTRUCTION
David Phelan
Please visit our web site. Www. Dapconstruction. Co . Uk to c all our work and client recommendations.
"Loft conversion" - CARDIFF, job posted 14/03/24
Roberts & Co
Roberts & Co is a family run business est.2009. We specialize in Kitchen extensions and Loft conversions, and cover Hertfordshire, Essex and Greate...
"Convert loft into bedroom with skylight only and stairs." - ME5, job posted 12/03/24
ALG Renovations
ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...
"Side return extension" - SN3, job posted 12/03/24
Premier Estates Home & Gardens
Prompt .tidy .exspearianced.quality of work
"Build Orangerie to rear of house 18ft wide x 20 ft length (Brick, UPVC windows, Lantern ceiling, French Doors" - RM13, job posted 12/03/24
FLUID CONSTRUCTION
Need an Extension Builder in Chessington? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs f...
"Loft conversion" - MANCHESTER, job posted 11/03/24
from 370 to 380 of 9080
Find out how much extension builder jobs cost
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.




















