From £17,588
Experienced extension builder ready to quote for your work. Redcliff Construction is the best extension builder in RG6. No obligation free quotes a...
From £17,836
Trusted and professional extension builder in RG6. Experienced in all extension buildering work and keeping within budget and on quote. ALEXANDERS ...
From £17,604
Relax... you have found a reliable extension builder in RG6. Steve Bowley Building & Renovation Ltd is a friendly and reliable company based in RG6...
From £18,028
To make the whole process of having work done on your property the most stress free experience ever. This is by making sure that the several key as...
From £17,788
Construction MGM Maintenance ltd is a trusted extension builder serving customers in RG6 and the surrounding area. Contact us to today to get a com...
From £17,452
Experienced extension builder ready to quote for your work. J F Building & Groundworks is the best extension builder in RG6. No obligation free quo...
From £17,668
Relax... you have found a reliable extension builder in RG6. CLYBURN CONSTRUCTION LTD is a friendly and reliable company based in RG6 who consider ...
From £17,764
Building & Flooring Solutions is a trusted extension builder serving customers in RG6 and the surrounding area. Contact us to today to get a compet...
From £17,884
Experienced extension builder ready to quote for your work. Ad Swadling Building is the best extension builder in RG6. No obligation free quotes an...
From £17,796
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,452 (J F Building & Groundworks based in RG6) to £18,028 (Tuko Property based in RG2), 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 RG6 by posting a job with HaMuch and we will send it to extension builders in RG6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Woodley | £42 | £266 |
| Underpin A Building near Reading | £42 | £266 |
| Underpin A Building near Caversham | £38 | £265 |
| Underpin A Building near Wokingham | £41 | £280 |
| 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 Maidenhead | £41 | £273 |
| Underpin A Building near Camberley | £41 | £283 |
| Underpin A Building near Ascot | £41 | £276 |
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 - £17,741

Two storey extension - £88,361

Build a timber frame extension - £26,241

Build a swimming pool - £81,241

Single storey extension - £59,816

Side return extension - £44,209

Install an RSJ - £2,441

Outbuilding - £10,241

Build a Mansard loft conversion - £52,241

Loft conversion - £36,008

Build a kitchen extension - £42,241

Hip to gable loft conversion - £42,241

Granny annexe - £87,241

Garden office - £10,241

Convert a Garage - £16,241

Garage - £18,741

Build a flat roof extension - £22,241

Build a dormer loft conversion - £42,241

Concrete foundations - £6,491

Convert a bungalow loft - £29,241

Convert a basement - £40,209