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 9078 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, APB Services in Popham charges from £40 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
Fenlake Construction
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
"Single storey extension" - NORWICH, job posted 25/02/24
CREATIVE BUILDING & LANDSCAPE
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Hello can you help me build a LEAN-TO CONSERVATORY/SUN ROOM . My bedroom is very small and need extra space. I would require insulation; a small windows for fresh air and French Doors with a lock. QUOTE PLS: Not sure to build from scratch or buy one to be erected SIZE: 8X6 OR 10X6. THANK YOU." - SE8, job posted 24/02/24
CROWNBUILD
Relax... you have found a reliable extension builder in Cambrigde Central South. CROWNBUILD is a friendly and reliable company based in Cambrigde C...
"Open plan Rear extension of 6m x 6m to include kitchen" - ME1, job posted 24/02/24
Rescapes Construction Ltd
Trusted and professional extension builder in Hertfordshire. Experienced in all extension buildering work and keeping within budget and on quote. R...
"Single storey extension" - LIVERPOOL, job posted 23/02/24
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...
"Single storey extension" - PR6, job posted 23/02/24
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 ...
"This is a Garage conversion, no and extension, I could not find the right trade. We have the drawings from the architect. I can attach those for a better estimate. Thanks" - FK9, job posted 22/02/24
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...
"Loft conversion possible ensuite lisburn area" - BELFAST, job posted 21/02/24
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 ...
"We are looking into adding a bedroom and ensuite into a small bungalow. I can send photos over" - EN6, job posted 21/02/24
D A P CONSTRUCTION
David Phelan
Please visit our web site. Www. Dapconstruction. Co . Uk to c all our work and client recommendations.
"Extend property and attach current outbuildings to main building" - ST3, job posted 21/02/24
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...
"Loft conversion" - ROCHDALE, job posted 21/02/24
from 380 to 390 of 9078
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.




















