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Select your affordable Smarden extension builder
GRAHAM Heasman
All my work is top class and I've taken pride in everything I do I will come and hire me
Neil Baxter
Neil Baxter Construction are here to help customers who need an Extension Builder in Smarden. We offer a competitive rate to complete all your exte...
Need an Extension Builder in Smarden? J TWEEDIE BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering j...
ARIA DESIGN & BUILD is an established extension buildering business in Smarden. We come highly recommended and provide competitive quotes for your ...
Experienced extension builder ready to quote for your work. J NARCHANT BUILDING is the best extension builder in Smarden. No obligation free quotes...
Relax... you have found a reliable extension builder in Smarden. P F Construction t/a is a friendly and reliable company based in Smarden who consi...
From £17,684
ARTISAN CONSTRUCTION is an established and experienced local extension builder in Smarden. Please contact us for a free, no obligation quote and co...
From £17,500
Experienced extension builder ready to quote for your work. Elite Building & Refurbishment Ltd is the best extension builder in Smarden. No obligat...
From £17,516
Trusted and professional extension builder in Smarden. Experienced in all extension buildering work and keeping within budget and on quote. C & K B...
From £18,164
Joe Rendell
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,300 (J TWEEDIE BUILDING SERVICES based in TN25) to £19,996 (Transform Builders based in TN12), 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 Smarden by posting a job with HaMuch and we will send it to extension builders in Smarden.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ashford | £36 | £256 |
| Underpin A Building near Maidstone | £40 | £255 |
| Underpin A Building near Swale | £35 | £241 |
| Underpin A Building near Sittingbourne | £35 | £246 |
| Underpin A Building near Faversham | £34 | £235 |
| Underpin A Building near Larkfield | £41 | £253 |
| Underpin A Building near Gillingham | £39 | £253 |
| Underpin A Building near Chatham | £39 | £254 |
| Underpin A Building near Rochester | £39 | £254 |
| Underpin A Building near Hythe | £31 | £228 |
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 - £17,831

Two storey extension - £88,497

Build a timber frame extension - £26,331

Build a swimming pool - £81,331

Single storey extension - £61,624

Side return extension - £45,226

Install an RSJ - £2,531

Outbuilding - £10,331

Build a Mansard loft conversion - £52,331

Loft conversion - £36,855

Build a kitchen extension - £42,331

Hip to gable loft conversion - £42,331

Granny annexe - £87,331

Garden office - £10,331

Convert a Garage - £16,331

Garage - £18,831

Build a flat roof extension - £22,331

Build a dormer loft conversion - £42,331

Concrete foundations - £6,581

Convert a bungalow loft - £29,331

Convert a basement - £41,226