From £87,144
We are a small family run business with over 20 years experience in brickwork, bathroom/kitchen fitting, roofing, landscaping, fencing, tiling and ...
From £86,752
Park Building Services Ltd is a trusted extension builder serving customers in Sandown and the surrounding area. Contact us to today to get a compe...
From £86,768
TP Developments are here to help customers who need an Extension Builder in Sandown. We offer a competitive rate to complete all your extension bui...
From £87,120
Need to find an Extension Builder near you for all your extension buildering work?
Mobile Services provides a local, trusted extension buil...
From £86,960
ROB DINE CONSTRUCTION is an established and experienced local extension builder in Sandown. Please contact us for a free, no obligation quote and c...
From £87,136
Claytons Building and Roofing are here to help customers who need an Extension Builder in Sandown. We offer a competitive rate to complete all your...
From £87,192
Trusted and professional extension builder in Sandown. Experienced in all extension buildering work and keeping within budget and on quote. A W PAV...
From £86,824
Self employed in building industry for the past 20 years.
local reliable.
From £87,080
Devscapes is an established extension buildering business in Sandown. We come highly recommended and provide competitive quotes for your work.
...
Building a granny annexe ranges from £86,344 (G A Headlam based in PO38) to £87,192 (A W PAVING LTD based in SO31), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Sandown by posting a job with HaMuch. We will send it to extension builders in Sandown who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Ryde | £34 | £255 |
| Granny Annexe near Isle of Wight | £34 | £246 |
| Granny Annexe near Gosport | £35 | £246 |
| Granny Annexe near Lee-on-the-Solent | £35 | £249 |
| Granny Annexe near Portsmouth | £36 | £250 |
| Granny Annexe near Fareham | £35 | £250 |
| Granny Annexe near Locks Heath | £33 | £240 |
| Granny Annexe near Havant & Waterloo | £35 | £248 |
| Granny Annexe near Havant | £35 | £249 |
| Granny Annexe 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 - £17,432

Two storey extension - £87,898

Build a timber frame extension - £25,932

Build a swimming pool - £80,932

Single storey extension - £53,640

Side return extension - £40,735

Install an RSJ - £2,132

Outbuilding - £9,932

Build a Mansard loft conversion - £51,932

Loft conversion - £33,113

Build a kitchen extension - £41,932

Hip to gable loft conversion - £41,932

Granny annexe - £86,932

Garden office - £9,932

Convert a Garage - £15,932

Garage - £18,432

Build a flat roof extension - £21,932

Build a dormer loft conversion - £41,932

Concrete foundations - £6,182

Convert a bungalow loft - £28,932

Convert a basement - £36,735