From £17,060
Need an Extension Builder in Penrith? Applied Joinery has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £17,740
Cmr Developments is an established and experienced local extension builder in Penrith. Please contact us for a free, no obligation quote and compe...
From £16,860
Experienced extension builder ready to quote for your work. PAUL LITTLE BUILDING MAINT is the best extension builder in Penrith. No obligation free...
From £16,892
Penrith, CA12
Ian Groves is an established extension buildering business in Penrith. We come highly recommended and provide competitive quotes for your work.
...From £17,116
Need an Extension Builder in Penrith? NEWBY BUILDING & CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering...
From £16,908
LLED CONSTRUCTION LTD is an established extension buildering business in Penrith. We come highly recommended and provide competitive quotes for you...
From £16,740
Relax... you have found a reliable extension builder in Penrith. ASKEW CONSTRUCTION is a friendly and reliable company based in Penrith who conside...
From £17,020
Relax... you have found a reliable extension builder in Penrith. M & K BUILDERS KESWICK LIMITED is a friendly and reliable company based in Penrith...
From £16,804
Need to find an Extension Builder near you for all your extension buildering work?
BUILDING TEC LIMITED provides a local, trusted extensio...
From £17,156
M c trading is an established extension buildering business in Penrith. We come highly recommended and provide competitive quotes for your work.

Underpinning ranges from £16,740 (ASKEW CONSTRUCTION based in CA4) to £17,740 (Cmr Developments based in CA2), 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 Penrith by posting a job with HaMuch and we will send it to extension builders in Penrith.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Carlisle | £24 | £203 |
| Underpin A Building near Kendal | £28 | £236 |
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 - £17,030

Two storey extension - £87,294

Build a timber frame extension - £25,530

Build a swimming pool - £80,530

Single storey extension - £45,592

Side return extension - £36,208

Install an RSJ - £1,730

Outbuilding - £9,530

Build a Mansard loft conversion - £51,530

Loft conversion - £29,340

Build a kitchen extension - £41,530

Hip to gable loft conversion - £41,530

Granny annexe - £86,530

Garden office - £9,530

Convert a Garage - £15,530

Garage - £18,030

Build a flat roof extension - £21,530

Build a dormer loft conversion - £41,530

Concrete foundations - £5,780

Convert a bungalow loft - £28,530

Convert a basement - £32,208