Mark Wadeson
Building extensions and conversions - commercial and domesticstructural repairsgroundworksdrainage workspaving, patios and concreti...
Need to find an Extension Builder near you for all your extension buildering work?
J.V MARSTON BUILDERS provides a local, trusted extension...
Trusted and professional extension builder in Christchurch. Experienced in all extension buildering work and keeping within budget and on quote. Ha...
Sky Builders is a trusted extension builder serving customers in Christchurch and the surrounding area. Contact us to today to get a competitive qu...
Experienced extension builder ready to quote for your work. C&M Roofing is the best extension builder in Christchurch. No obligation free quotes an...
Experienced extension builder ready to quote for your work. JOSCELYNE BUILDERS is the best extension builder in Christchurch. No obligation free qu...
Grant Singleton
Christchurch, BH23
Trusted and professional extension builder in Christchurch. Experienced in all extension buildering work and keeping within budget and on quote. GM...
Trusted and professional extension builder in Christchurch. Experienced in all extension buildering work and keeping within budget and on quote. MD...
Experienced extension builder ready to quote for your work. Nevil Rose is the best extension builder in Christchurch. No obligation free quotes and...

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 Christchurch by posting a job with HaMuch and we will send it to extension builders in Christchurch.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Christchurch | £36 | £251 |
| Convert A Basement near Bournemouth | £38 | £257 |
| Convert A Basement near Poole | £38 | £250 |
| Convert A Basement near New Forest | £32 | £245 |
| Convert A Basement near Totton | £34 | £243 |
| Convert A Basement near Southampton | £34 | £243 |
| Convert A Basement near Isle of Wight | £34 | £246 |
| Convert A Basement near Romsey | £32 | £230 |
| Convert A Basement near Locks Heath | £33 | £240 |
| Convert A Basement near Salisbury | £35 | £247 |
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 - £17,714

Two storey extension - £88,320

Build a timber frame extension - £26,214

Build a swimming pool - £81,214

Single storey extension - £59,272

Side return extension - £43,903

Install an RSJ - £2,414

Outbuilding - £10,214

Build a Mansard loft conversion - £52,214

Loft conversion - £35,753

Build a kitchen extension - £42,214

Hip to gable loft conversion - £42,214

Granny annexe - £87,214

Garden office - £10,214

Convert a Garage - £16,214

Garage - £18,714

Build a flat roof extension - £22,214

Build a dormer loft conversion - £42,214

Concrete foundations - £6,464

Convert a bungalow loft - £29,214

Convert a basement - £39,903