From £17,524
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,924
Java construction
provide a complete building service and design
we also provide building maitanance
w...
From £17,132
N P Construction are here to help customers who need an Extension Builder in PL21. We offer a competitive rate to complete all your extension build...
From £17,564
IBuild (SW) Ltd is a trusted extension builder serving customers in PL21 and the surrounding area. Contact us to today to get a competitive quote f...
From £17,212
Need to find an Extension Builder near you for all your extension buildering work?
PLATINUM CONSTRUCTION provides a local, trusted extensio...
From £17,228
Hi I’ve been in construction for more than 25 years. City and guild bricklayer Worked on multiple jobs in this field from an extension to new...
From £17,612
Relax... you have found a reliable extension builder in PL21. GD ANDREW BUILDING CONTRACTORS is a friendly and reliable company based in PL21 who c...
From £16,932
Need an Extension Builder in PL21? A.P.STODDARD has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £17,380
Relax... you have found a reliable extension builder in PL21. M D C Building Services is a friendly and reliable company based in PL21 who consider...
From £16,980
Need to find an Extension Builder near you for all your extension buildering work?
Donovan Construction provides a local, trusted extensio...

Underpinning ranges from £16,932 (A.P.STODDARD based in PL6) to £17,924 (JAVA CONSTRUCTION LTD based in PL7), 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 PL21 by posting a job with HaMuch and we will send it to extension builders in PL21.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Plymouth | £26 | £196 |
| Underpin A Building near Paignton | £25 | £201 |
| Underpin A Building near Newton Abbot | £23 | £203 |
| Underpin A Building near Torbay | £25 | £201 |
| Underpin A Building near Torquay | £25 | £202 |
| Underpin A Building near Teignbridge | £23 | £215 |
| Underpin A Building near Exmouth | £22 | £184 |
| Underpin A Building near Exeter | £24 | £192 |
| Underpin A Building near East Devon | £23 | £193 |
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 - £17,349

Two storey extension - £87,773

Build a timber frame extension - £25,849

Build a swimming pool - £80,849

Single storey extension - £51,976

Side return extension - £39,799

Install an RSJ - £2,049

Outbuilding - £9,849

Build a Mansard loft conversion - £51,849

Loft conversion - £32,333

Build a kitchen extension - £41,849

Hip to gable loft conversion - £41,849

Granny annexe - £86,849

Garden office - £9,849

Convert a Garage - £15,849

Garage - £18,349

Build a flat roof extension - £21,849

Build a dormer loft conversion - £41,849

Concrete foundations - £6,099

Convert a bungalow loft - £28,849

Convert a basement - £35,799