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Need an Extension Builder in Offley? R&J Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering jobs...
Offley, SG5
Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in Offley. No obligation free quotes and ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Offley. Experienced in all extension buildering work and keeping within budget and on quote. Amcell R...
We use only the highest quality products, and you can rest assured knowing that we are fully certified and registered with the relevant authorities...
Need an Extension Builder in Offley? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extension buildering...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Gary Braine
Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in Offley. No obligation free quotes a...
Need an Extension Builder in Offley? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jo...
TCL BUILDING SOLUTIONS LTD are here to help customers who need an Extension Builder in Offley. We offer a competitive rate to complete all your ext...

Underpinning ranges from £17,348 (R&J Building Services Ltd based in SG17) to £17,988 (M SPINDLER CONSTRUCTION LTD based in SG6), 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 Offley by posting a job with HaMuch and we will send it to extension builders in Offley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Letchworth | £44 | £283 |
| Underpin A Building near North Hertfordshire | £44 | £283 |
| Underpin A Building near Hitchin | £43 | £283 |
| Underpin A Building near Stevenage | £44 | £282 |
| Underpin A Building near Biggleswade | £41 | £268 |
| Underpin A Building near Mid Bedfordshire | £42 | £276 |
| Underpin A Building near Luton | £42 | £279 |
| Underpin A Building near Ampthill | £38 | £258 |
| Underpin A Building near Harpenden | £45 | £282 |
| Underpin A Building near East Hertfordshire | £44 | £289 |
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 - £17,658

Two storey extension - £88,238

Build a timber frame extension - £26,158

Build a swimming pool - £81,158

Single storey extension - £58,168

Side return extension - £43,282

Install an RSJ - £2,358

Outbuilding - £10,158

Build a Mansard loft conversion - £52,158

Loft conversion - £35,235

Build a kitchen extension - £42,158

Hip to gable loft conversion - £42,158

Granny annexe - £87,158

Garden office - £10,158

Convert a Garage - £16,158

Garage - £18,658

Build a flat roof extension - £22,158

Build a dormer loft conversion - £42,158

Concrete foundations - £6,408

Convert a bungalow loft - £29,158

Convert a basement - £39,282