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 | £86 |
| Average hourly rate of 9110 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 £30. Extension Builder rates vary with location. For example, IH Properties Ltd in Coalville charges from £33 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.
Trusted, recommended Extension Builders
Hayes Landscapes
£41/hour
£277/day
Trusted and professional extension builder in Bournemouth. Experienced in all extension buildering work and keeping within budget and on quote. Hay...
"Loft conversion" - WS10, job posted 08/05/26
Byrne Roofing & Property Repairs
£27/hour
£212/day
Trusted and professional extension builder in Coventry. Experienced in all extension buildering work and keeping within budget and on quote. Byrne ...
"Loft conversion" - WD19, job posted 07/05/26
Barrys Home & Maintenance
£26/hour
£197/day
Need an Extension Builder in Coventry? Barrys Home & Maintenance has been helping local clients (20 mile radius) with their extension buildering jo...
"Granny annexe space for mum with separate quarters" - S72, job posted 07/05/26
J M Lidwell
£31/hour
£236/day
Experienced extension builder ready to quote for your work. J M Lidwell is the best extension builder in Coalville. No obligation free quotes and m...
"Loft conversion" - NORTHAMPTONSHIRE, job posted 07/05/26
BAKER CONSTRUCTION
£27/hour
£214/day
Need to find an Extension Builder near you for all your extension buildering work?
BAKER CONSTRUCTION provides a local, trusted extension b...
"RSJ installation, I am looking for a price to source and install two beams, photos attached of measurements. Thanks." - BT43, job posted 06/05/26
M.J Greatrex Ltd
£30/hour
£228/day
Need an Extension Builder in Nuneaton? M.J Greatrex Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
"Ext.dhtyhui bfyjuuijk bhh" - S1, job posted 06/05/26
IH Properties Ltd
£33/hour
£255/day
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"RSJ installation" - CREWKERNE, job posted 06/05/26
Mint Landscaping
£30/hour
£235/day
Need an Extension Builder in Holbrooks? Mint Landscaping has been helping local clients (20 mile radius) with their extension buildering jobs for m...
"Two storey extension" - S20, job posted 06/05/26
Richard Ainge
£30/hour
£230/day
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - B68, job posted 06/05/26
Mac Building Services
£27/hour
£212/day
Relax... you have found a reliable extension builder in Measham Swadlincote. Mac Building Services is a friendly and reliable company based in Meas...
"Timber frame first floor extension above the garage, with outer leaf brickwork and tiled pitched roof above." - MK6, job posted 04/05/26
from 40 to 50 of 9110
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.
