From £9,944
Christchurch, BH23
Experienced extension builder ready to quote for your work. H H Builders is the best extension builder in Christchurch. No obligation free quotes a...
From £9,840
Christchurch, BH23
Relax... you have found a reliable extension builder in Christchurch. First Alpha Home Improvements Ltd is a friendly and reliable company based in...
From £10,072
Christchurch, BH23
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,224
Christchurch, BH23
Elmer Building Services ltd is an established extension buildering business in Christchurch. We come highly recommended and provide competitive quo...
From £10,160
A design and build service for commercial or residential properties. House of Tigerhorse is the design arm of Broad Construction which together of...
From £9,976
Our building services company Colin Sloper General Builder has twenty five years’ experience and have been helping customers in Dorset and the su...
From £9,968
pantlin construction ltd are here to help customers who need an Extension Builder in Christchurch. We offer a competitive rate to complete all your...
From £9,792
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,216
Need an Extension Builder in Christchurch? Upscale Home Improvements has been helping local clients (20 mile radius) with their extension builderin...

Garden offices range from the cheapest of £9,792 (J F DEWHIRST & CO based in BH6) to the dearest of £10,504 (Zeneli Builders based in BH23), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Christchurch by posting a job with HaMuch. We'll send it to extension builders in Christchurch.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Christchurch | £36 | £251 |
| Garden Office near Bournemouth | £38 | £257 |
| Garden Office near Poole | £38 | £250 |
| Garden Office near New Forest | £32 | £245 |
| Garden Office near Totton | £34 | £243 |
| Garden Office near Southampton | £34 | £243 |
| Garden Office near Isle of Wight | £34 | £246 |
| Garden Office near Romsey | £32 | £230 |
| Garden Office near Locks Heath | £33 | £240 |
| Garden Office 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 - £17,570

Two storey extension - £88,104

Build a timber frame extension - £26,070

Build a swimming pool - £81,070

Single storey extension - £56,392

Side return extension - £42,283

Install an RSJ - £2,270

Outbuilding - £10,070

Build a Mansard loft conversion - £52,070

Loft conversion - £34,403

Build a kitchen extension - £42,070

Hip to gable loft conversion - £42,070

Granny annexe - £87,070

Garden office - £10,070

Convert a Garage - £16,070

Garage - £18,570

Build a flat roof extension - £22,070

Build a dormer loft conversion - £42,070

Concrete foundations - £6,320

Convert a bungalow loft - £29,070

Convert a basement - £38,283