From £17,268
We are experienced, creative, skilled craftspeople and builders. We design, construct and install interior projects for any space in your home. Fro...
From £17,164
Experienced extension builder ready to quote for your work. M & J Building Contractors is the best extension builder in Holsworthy Hamlets. No obli...
From £17,236
Relax... you have found a reliable extension builder in Holsworthy Hamlets. Garage Door Repairman is a friendly and reliable company based in Holsw...
From £17,196
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,148
RJ WEVILL BUILDER are here to help customers who need an Extension Builder in Holsworthy Hamlets. We offer a competitive rate to complete all your ...
From £17,588
Need to find an Extension Builder near you for all your extension buildering work?
BURGESS CONSTRUCTION provides a local, trusted extension...
From £17,260
Need to find an Extension Builder near you for all your extension buildering work?
SCP CONSTRUCTION provides a local, trusted extension bui...
From £16,852
Eastman Landscapes is a trusted extension builder serving customers in Holsworthy Hamlets and the surrounding area. Contact us to today to get a co...
From £17,348
Copps Property Maintenance are here to help customers who need an Extension Builder in Holsworthy Hamlets. We offer a competitive rate to complete ...
From £17,644
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £16,852 (Eastman Landscapes based in PL15) to £17,644 (A J HEARD BUILDERS LTD based in EX20), 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 Holsworthy Hamlets by posting a job with HaMuch and we will send it to extension builders in Holsworthy Hamlets.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bideford | £22 | £174 |
| Underpin A Building near Barnstaple | £25 | £196 |
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 - £17,270

Two storey extension - £87,656

Build a timber frame extension - £25,770

Build a swimming pool - £80,770

Single storey extension - £50,408

Side return extension - £38,917

Install an RSJ - £1,970

Outbuilding - £9,770

Build a Mansard loft conversion - £51,770

Loft conversion - £31,598

Build a kitchen extension - £41,770

Hip to gable loft conversion - £41,770

Granny annexe - £86,770

Garden office - £9,770

Convert a Garage - £15,770

Garage - £18,270

Build a flat roof extension - £21,770

Build a dormer loft conversion - £41,770

Concrete foundations - £6,020

Convert a bungalow loft - £28,770

Convert a basement - £34,917