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Kevin Sainsbury
K E Sainsbury Builders is an established and experienced local extension builder in Wiltshire. Please contact us for a free, no obligation quote an...
Bryan Loveday
Relax... you have found a reliable extension builder in Wiltshire. Bryan Loveday Services Limited is a friendly and reliable company based in Wilts...
Need to find an Extension Builder near you for all your extension buildering work?
2 Counties Construction provides a local, trusted extens...
Need an Extension Builder in Wiltshire? EMBERSON GENERAL BUILDERS has been helping local clients (20 mile radius) with their extension buildering j...
From £40,830
Hughie Crumlish
All ways on time keep our customers 100% satisfied
From £36,330
Wiltshire, BA12
Experienced extension builder ready to quote for your work. George Davies Group Ltd is the best extension builder in Wiltshire. No obligation free ...
From £36,060
McIntosh DBR Ltd. is an established extension buildering business in Wiltshire. We come highly recommended and provide competitive quotes for your ...
From £39,030
Experienced extension builder ready to quote for your work. Craft Renovations is the best extension builder in Wiltshire. No obligation free quotes...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Wiltshire by posting a job with HaMuch and we will send it to extension builders in Wiltshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Frome | £33 | £263 |
| Convert A Basement near Trowbridge | £34 | £266 |
| Convert A Basement near Devizes | £32 | £242 |
| Convert A Basement near North Wiltshire | £32 | £242 |
| Convert A Basement near West Wiltshire | £32 | £242 |
| Convert A Basement near Bath | £32 | £249 |
| Convert A Basement near Salisbury | £35 | £247 |
| Convert A Basement near Calne | £29 | £225 |
| Convert A Basement near Keynsham | £33 | £251 |
| Convert A Basement near Chippenham | £34 | £258 |
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 - £17,508

Two storey extension - £88,012

Build a timber frame extension - £26,008

Build a swimming pool - £81,008

Single storey extension - £55,160

Side return extension - £41,590

Install an RSJ - £2,208

Outbuilding - £10,008

Build a Mansard loft conversion - £52,008

Loft conversion - £33,825

Build a kitchen extension - £42,008

Hip to gable loft conversion - £42,008

Granny annexe - £87,008

Garden office - £10,008

Convert a Garage - £16,008

Garage - £18,508

Build a flat roof extension - £22,008

Build a dormer loft conversion - £42,008

Concrete foundations - £6,258

Convert a bungalow loft - £29,008

Convert a basement - £37,590