From £18,596
We are a Small Family run business with over 30 years experience in the building trade, Carpentry is my main trade, with NVQ Level 2.
From £17,644
We are a small family run business with over 20 years experience in brickwork, bathroom/kitchen fitting, roofing, landscaping, fencing, tiling and ...
From £17,252
Park Building Services Ltd is a trusted extension builder serving customers in Shanklin and the surrounding area. Contact us to today to get a comp...
From £17,460
ROB DINE CONSTRUCTION is an established and experienced local extension builder in Shanklin. Please contact us for a free, no obligation quote and ...
From £17,692
Trusted and professional extension builder in Shanklin. Experienced in all extension buildering work and keeping within budget and on quote. A W PA...
From £17,324
Self employed in building industry for the past 20 years.
local reliable.
From £17,580
Devscapes is an established extension buildering business in Shanklin. We come highly recommended and provide competitive quotes for your work.
...From £17,476
O NEILL CONSTRUCTION LTD is an established extension buildering business in Shanklin. We come highly recommended and provide competitive quotes for...
From £17,700
Trusted and professional extension builder in Shanklin. Experienced in all extension buildering work and keeping within budget and on quote. Rowan ...

Underpinning ranges from £16,844 (G A Headlam based in PO38) to £18,596 (R&B Property Improvements based in PO9), 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 Shanklin by posting a job with HaMuch and we will send it to extension builders in Shanklin.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ryde | £34 | £255 |
| Underpin A Building near Isle of Wight | £34 | £246 |
| Underpin A Building near Gosport | £35 | £246 |
| Underpin A Building near Lee-on-the-Solent | £35 | £249 |
| Underpin A Building near Portsmouth | £36 | £250 |
| Underpin A Building near Fareham | £35 | £250 |
| Underpin A Building near Locks Heath | £33 | £240 |
| Underpin A Building near Havant & Waterloo | £35 | £248 |
| Underpin A Building near Havant | £35 | £249 |
| Underpin A Building near Waterlooville | £36 | £250 |
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 - £17,557

Two storey extension - £88,085

Build a timber frame extension - £26,057

Build a swimming pool - £81,057

Single storey extension - £56,136

Side return extension - £42,139

Install an RSJ - £2,257

Outbuilding - £10,057

Build a Mansard loft conversion - £52,057

Loft conversion - £34,283

Build a kitchen extension - £42,057

Hip to gable loft conversion - £42,057

Granny annexe - £87,057

Garden office - £10,057

Convert a Garage - £16,057

Garage - £18,557

Build a flat roof extension - £22,057

Build a dormer loft conversion - £42,057

Concrete foundations - £6,307

Convert a bungalow loft - £29,057

Convert a basement - £38,139