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 9082 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 £36. Extension Builder rates vary with location. For example, G M F GENERAL BUILDERS in Peterborough charges from £59 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.
Trusted, recommended Extension Builders
Torrington
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Renovasion badrom
Sasho Mitev
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
"Fully extend with side return and renovate dated Victorian house with loft added. Size is 100m2 currently to 160m2 on completion." - E5, job posted 19/06/25
G Wager Building Maintenance
G Wager Building Maintenance is a trusted extension builder serving customers in Bryn and the surrounding area. Contact us to today to get a compet...
"Need bedroom 2 knocking into bathroom using some space to create bedroom 2 bigger as it’s small and the bathroom then taking a bit of space from bedroom 3 as it is a lot bigger." - M18, job posted 18/06/25
Cwtch Property Developments
Relax... you have found a reliable extension builder in Maesteg. Cwtch Property Developments is a friendly and reliable company based in Maesteg wh...
"Garage conversion" - ROCHDALE, job posted 18/06/25
G M F GENERAL BUILDERS
Graham Fuller
Your Local builders in Peterborough
GMF Builders is owned and managed by Graham Fuller who has approximately 23 years experience in the ...
"Flat roof extension" - , job posted 18/06/25
Trinity Green Building Contractors
Trinity Green Building Contractors are here to help customers who need an Extension Builder in Peterborough. We offer a competitive rate to complet...
"Loft conversion" - , job posted 18/06/25
Plumb & spark
Cody Stevens
Plumb & spark is an established extension buildering business in Aylesbury. We come highly recommended and provide competitive quotes for your wor...
"Kitchen extension" - WOLVERHAMPTON, job posted 17/06/25
AAConcepts
Arshad Ali
We are a Design and Build company based in Hampshire. Proud of our roots, we try to be the very best in the way we go about our business. Friendly...
"Single storey extension" - GU1, job posted 17/06/25
Fearnville Driveways
Trusted and professional extension builder in Fearnville. Experienced in all extension buildering work and keeping within budget and on quote. Fear...
"Side extension connecting to existing rear extension." - ROCHDALE, job posted 14/06/25
Watertight Roofing Leeds
Need an Extension Builder in Armley, Leeds? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension builderin...
"Need an extension builder" - CV4, job posted 14/06/25
from 170 to 180 of 9082
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.
