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 £158. Extension Builder rates vary with location. For example, Optimus Build Solutions in Romford charges from £56 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.
Trusted, recommended Extension Builders
M&C JOINERS
Mark Munro
We aim to provide quality workmanship on every job that will exceed your expectations. Our quotes are reasonable and competitive and we guarantee t...
"Two storey extension" - WA8, job posted 17/09/26
Kerson Construction Ltd
Relax... you have found a reliable extension builder in Tansor. Kerson Construction Ltd is a friendly and reliable company based in Tansor who cons...
"Single storey extension" - CV10, job posted 17/09/26
Tyrone Turbos
Relax... you have found a reliable extension builder in Tyrone. Tyrone Turbos is a friendly and reliable company based in Tyrone who consider no jo...
"Two storey extension" - RM15, job posted 17/09/26
JR Removals
Since 2001 we have been designing and crafting high quality house renovations in London and the South East..I do full renovations, I have i...
"Convert a Garage into a room approx 5340 x 2570. Electric in garage. Concrete floor, breezblock walls" - TD1, job posted 16/09/26
Herts & Essex Dream Home Builders Ltd
DARREN MONK
We design and install complete bespoke bathrooms, en-suites, walk-in showers and fully tanked wet rooms, as well as bespoke kitchens with stone, qu...
"Build a kitchen extension" - B8, job posted 16/09/26
£38/hr
£266/day
Trevillion Property Services Ltd
Stephen Trevillion
Member since October 2026
Minor and major building works
"Loft conversion" - WF2, job posted 16/09/26
SDS Constructions
Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
"Outbuilding" - S32, job posted 16/09/26
Optimus Build Solutions
Vasile Boghean
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
"Convert a bungalow loft" - SS2, job posted 16/09/26
Brondesbury Interiors ltd
Andrew Stephens
Brondesbury Interiors Quality painting and decorating that will bring out the best in your property • Do you want to give your h...
"Dormer loft conversion" - SS2, job posted 16/09/26
Ferguson Building Services Limited
Ferguson Building Services Limited is an established and experienced local extension builder in Albourne. Please contact us for a free, no obligati...
"Convert a bungalow loft" - EX31, job posted 16/09/26
from 10 to 20 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.
