From £17,100
TIMBER PRODUCT CONSTRUCTION is an established extension buildering business in EX20. We come highly recommended and provide competitive quotes for ...
From £17,180
We are a small team of Builders working out of Okehampton. We take on all types of projects small and large. From bathrooms to kitchens, plastering...
From £17,444
MAW BUILDERS is a trusted extension builder serving customers in EX20 and the surrounding area. Contact us to today to get a competitive quote for ...
From £17,436
Trusted and professional extension builder in EX20. Experienced in all extension buildering work and keeping within budget and on quote. Evan Devel...
From £17,340
H & S CONSTRUCTION is an established and experienced local extension builder in EX20. Please contact us for a free, no obligation quote and competi...
From £17,644
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 EX20. We offer a competitive rate to complete all your extension buil...
From £17,348
Copps Property Maintenance are here to help customers who need an Extension Builder in EX20. We offer a competitive rate to complete all your exten...
From £17,236
Relax... you have found a reliable extension builder in EX20. Garage Door Repairman is a friendly and reliable company based in EX20 who consider n...

Underpinning ranges from £17,100 (TIMBER PRODUCT CONSTRUCTION based in EX20) to £17,788 (Brian C Credicott based in PL19), 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 EX20 by posting a job with HaMuch and we will send it to extension builders in EX20.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bideford | £22 | £174 |
| Underpin A Building near Teignbridge | £27 | £260 |
| Underpin A Building near Exeter | £27 | £221 |
| Underpin A Building near Barnstaple | £25 | £196 |
| Underpin A Building near Newton Abbot | £27 | £236 |
| Underpin A Building near Tiverton | £25 | £202 |
| Underpin A Building near Plymouth | £30 | £230 |
| Underpin A Building near Exmouth | £24 | £210 |
| Underpin A Building near Paignton | £27 | £222 |
| Underpin A Building near Torquay | £28 | £223 |
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 - £17,366

Two storey extension - £87,800

Build a timber frame extension - £25,866

Build a swimming pool - £80,866

Single storey extension - £52,328

Side return extension - £39,997

Install an RSJ - £2,066

Outbuilding - £9,866

Build a Mansard loft conversion - £51,866

Loft conversion - £32,498

Build a kitchen extension - £41,866

Hip to gable loft conversion - £41,866

Granny annexe - £86,866

Garden office - £9,866

Convert a Garage - £15,866

Garage - £18,366

Build a flat roof extension - £21,866

Build a dormer loft conversion - £41,866

Concrete foundations - £6,116

Convert a bungalow loft - £28,866

Convert a basement - £35,997