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 £35. Extension Builder rates vary with location. For example, PK.Builders in Oxton charges from £31 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
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" - SCARBOROUGH, job posted 31/01/24
ALG Renovations
ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...
"Loft conversion" - BS23, job posted 29/01/24
Premier Estates Home & Gardens
Prompt .tidy .exspearianced.quality of work
"Side return extension" - LE1, job posted 29/01/24
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" - SOUTHALL, job posted 29/01/24
GAB Design
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion, velux, around 5x5m. Bathtub as well" - PL4, job posted 28/01/24
A.B Building Services Ltd
Relax... you have found a reliable extension builder in Greasby. A.B Building Services Ltd is a friendly and reliable company based in Greasby who ...
"Basement conversion" - IG8, job posted 28/01/24
Robuild - Waterwise
Robuild - Waterwise is an established extension buildering business in New Brighton. We come highly recommended and provide competitive quotes for ...
"Loft conversion" - OLDHAM, job posted 28/01/24
R J Property Maintenance & Repair
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - GLASGOW, job posted 28/01/24
PK.Builders
Need an Extension Builder in Oxton? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
"Loft conversion bathroom too" - LUTON, job posted 27/01/24
SJBuild Ltd
Sean Mooney
SJBuild Ltd is an established and experienced local extension builder in Bebington. Please contact us for a free, no obligation quote and competiti...
"Build an be small extension" - E15, job posted 26/01/24
from 390 to 400 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.




















