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 £32. Extension Builder rates vary with location. For example, KPM GROUNDWORKS & CONSTRUCTION in Kentisbeare charges from £29 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.
Trusted, recommended Extension Builders
L T Builders
£35/hour
£248/day
L T Builders is a trusted extension builder serving customers in Dunston and the surrounding area. Contact us to today to get a competitive quote f...
"Rear extension" - M43, job posted 27/01/26
Taylormade Conservatories
£31/hour
£238/day
Taylormade Conservatories are a local conservatory building company based in Coalville. For 42 years, we have been providing excellent conservatory...
"Two storey extension" - SN2, job posted 27/01/26
CENTER
£27/hour
£218/day
Local builder services CENTER "I, YOU, WE" CIC. Exterior building work build or repair a path or driveway construct or restore an ...
"Two storey extension" - DH1, job posted 27/01/26
Andrew Childs Fascias, Soffits & Guttering
£32/hour
£184/day
Been installing fascia soffits for over twenty years i profide a very good service
"Two storey extension" - SN1, job posted 27/01/26
Deadsmooth Plastering & Building Co
£32/hour
£245/day
Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in Gloucester and the surrounding area. Contact us to today to...
"Loft conversion" - OL7, job posted 26/01/26
GJP BUILDING CONTRACTORS
£23/hour
£186/day
GJP BUILDING CONTRACTORS is an established extension buildering business in Tiverton. We come highly recommended and provide competitive quotes for...
"Two storey and side extension" - SO16, job posted 26/01/26
L & H Cleaning Ltd
£35/hour
£249/day
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - SR6, job posted 25/01/26
KPM GROUNDWORKS & CONSTRUCTION
£29/hour
£239/day
Need an Extension Builder in Kentisbeare? KPM GROUNDWORKS & CONSTRUCTION has been helping local clients (20 mile radius) with their extension build...
"Timber frame extension" - BLACKPOOL, job posted 25/01/26
STONEWALK CONSTRUCTION LTD
£33/hour
£266/day
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in Ilminster. Please contact us for a free, no obligation quot...
"Single storey extension" - GL20, job posted 25/01/26
Good Foundations
£40/hour
£289/day
Relax... you have found a reliable extension builder in Grangepans. Good Foundations is a friendly and reliable company based in Grangepans who con...
"RSJ installation" - , job posted 25/01/26
from 70 to 80 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.
