From £17,660
Haughton Green Builders Wokingham are here to help customers who need an Extension Builder in RG41. We offer a competitive rate to complete all you...
From £17,700
DENMARC CONSTRUCTION is an established extension buildering business in RG41. We come highly recommended and provide competitive quotes for your wo...
From £17,652
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,932
DP Services is a fully insured friendly local company which has been trading since 2002 and delivers high quality building work in domestic extensi...
From £17,540
Constructica is a dedicated and passionate design and build company operating across Berkshire and Surrey. We provide our clients with a single por...
From £17,276
Fully trained in bricklaying with 35 years experienced in the building trade mostly dealing in extensions and refurbishment.
Will a...
From £17,884
Construction Industry is a trusted extension builder serving customers in RG41 and the surrounding area. Contact us to today to get a competitive q...
From £17,452
M WHITE BUILDING SERVICES is a trusted extension builder serving customers in RG41 and the surrounding area. Contact us to today to get a competiti...
From £17,436
Forest Builders is an established extension buildering business in RG41. We come highly recommended and provide competitive quotes for your work.
From £17,860
J W & P G BUILDERS are here to help customers who need an Extension Builder in RG41. We offer a competitive rate to complete all your extension bui...

Underpinning ranges from £17,276 (P tanner based in RG40) to £17,932 (DP Services based in RG41), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in RG41 by posting a job with HaMuch and we will send it to extension builders in RG41.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wokingham | £41 | £280 |
| Underpin A Building near Woodley | £42 | £267 |
| Underpin A Building near Bracknell Forest | £41 | £287 |
| Underpin A Building near Bracknell | £41 | £286 |
| Underpin A Building near Sandhurst | £41 | £283 |
| Underpin A Building near Reading | £42 | £266 |
| Underpin A Building near Caversham | £38 | £266 |
| Underpin A Building near Camberley | £41 | £283 |
| Underpin A Building near Ascot | £41 | £276 |
| Underpin A Building near Maidenhead | £41 | £273 |
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.

Underpin a building - £17,639

Two storey extension - £88,209

Build a timber frame extension - £26,139

Build a swimming pool - £81,139

Single storey extension - £57,784

Side return extension - £43,066

Install an RSJ - £2,339

Outbuilding - £10,139

Build a Mansard loft conversion - £52,139

Loft conversion - £35,055

Build a kitchen extension - £42,139

Hip to gable loft conversion - £42,139

Granny annexe - £87,139

Garden office - £10,139

Convert a Garage - £16,139

Garage - £18,639

Build a flat roof extension - £22,139

Build a dormer loft conversion - £42,139

Concrete foundations - £6,389

Convert a bungalow loft - £29,139

Convert a basement - £39,066