From £17,172
Norwich, NR1
DUVAL BUILDING is an established extension buildering business in Norwich. We come highly recommended and provide competitive quotes for your work....
From £17,068
Norwich, NR2
Land lord are here to help customers who need an Extension Builder in Norwich. We offer a competitive rate to complete all your extension builderin...
From £17,276
Berry Bros Property LTD is an established and experienced local extension builder in Norwich. Please contact us for a free, no obligation quote and...
From £16,956
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,044
Norwich, NR1
Experienced extension builder ready to quote for your work. G & F Property Maintenance is the best extension builder in Norwich. No obligation free...
From £17,012
Norwich, NR1
Dean Rutland Builders is an established extension buildering business in Norwich. We come highly recommended and provide competitive quotes for you...
From £17,132
Norwich, NR3
Relax... you have found a reliable extension builder in Norwich. A P W BUILDERS is a friendly and reliable company based in Norwich who consider no...
From £17,140
Norwich, NR7
Donris Limited are here to help customers who need an Extension Builder in Norwich. We offer a competitive rate to complete all your extension buil...
From £16,892
Norwich, NR6
Trusted and professional extension builder in Norwich. Experienced in all extension buildering work and keeping within budget and on quote. T & J B...
From £16,956
D & E BUILDERS are here to help customers who need an Extension Builder in Norwich. We offer a competitive rate to complete all your extension buil...

Underpinning ranges from £16,892 (T & J Builders based in NR6) to £17,276 (Berry Bros Property LTD based in NR1), 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 Norwich by posting a job with HaMuch and we will send it to extension builders in Norwich.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Norwich | £25 | £200 |
| Underpin A Building near Broadland | £24 | £194 |
| Underpin A Building near Great Yarmouth | £13 | £132 |
| Underpin A Building near Dereham | £25 | £203 |
| Underpin A Building near Gorleston-on-Sea | £25 | £205 |
| Underpin A Building near Breckland | £28 | £248 |
| Underpin A Building near Lowestoft | £24 | £197 |
| Underpin A Building near Waveney | £24 | £200 |
| Underpin A Building near Thetford | £42 | £277 |
| Underpin A Building near Stowmarket | £30 | £221 |
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 - £17,065

Two storey extension - £87,347

Build a timber frame extension - £25,565

Build a swimming pool - £80,565

Single storey extension - £46,296

Side return extension - £36,604

Install an RSJ - £1,765

Outbuilding - £9,565

Build a Mansard loft conversion - £51,565

Loft conversion - £29,670

Build a kitchen extension - £41,565

Hip to gable loft conversion - £41,565

Granny annexe - £86,565

Garden office - £9,565

Convert a Garage - £15,565

Garage - £18,065

Build a flat roof extension - £21,565

Build a dormer loft conversion - £41,565

Concrete foundations - £5,815

Convert a bungalow loft - £28,565

Convert a basement - £32,604