From £10,392
Need to find an Extension Builder near you for all your extension buildering work?
Steel Brook Construction provides a local, trusted exten...
From £10,168
Need to find an Extension Builder near you for all your extension buildering work?
Inside Out Oxford, Bespoke Garden Rooms provides a loca...
From £10,160
Wallingford, OX10
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,856
AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in Wallingford. Please contact us for a free, no obligation quot...
From £10,096
Countryside Oak is an established and experienced local extension builder in Wallingford. Please contact us for a free, no obligation quote and com...
From £9,880
Relax... you have found a reliable extension builder in Wallingford. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based in Wal...
From £9,976
D.Bradbury Property Services are here to help customers who need an Extension Builder in Wallingford. We offer a competitive rate to complete all y...
From £10,096
Trusted and professional extension builder in Wallingford. Experienced in all extension buildering work and keeping within budget and on quote. Jig...
From £10,192
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,200
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...

Garden offices range from the cheapest of £9,856 (AJC PROJECT SERVICES Ltd based in OX10) to the dearest of £10,392 (Steel Brook Construction based in OX10), 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 Wallingford by posting a job with HaMuch. We'll send it to extension builders in Wallingford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near South Oxfordshire | £36 | £253 |
| Garden Office near Didcot | £36 | £266 |
| Garden Office near Abingdon-on-Thames | £35 | £258 |
| Garden Office near Caversham | £38 | £265 |
| Garden Office near Oxford | £37 | £261 |
| Garden Office near Reading | £42 | £266 |
| Garden Office near Wycombe | £39 | £271 |
| Garden Office near Woodley | £42 | £266 |
| Garden Office near High Wycombe | £39 | £272 |
| Garden Office near Vale of White Horse | £36 | £271 |
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 - £17,602

Two storey extension - £88,152

Build a timber frame extension - £26,102

Build a swimming pool - £81,102

Single storey extension - £57,032

Side return extension - £42,643

Install an RSJ - £2,302

Outbuilding - £10,102

Build a Mansard loft conversion - £52,102

Loft conversion - £34,703

Build a kitchen extension - £42,102

Hip to gable loft conversion - £42,102

Granny annexe - £87,102

Garden office - £10,102

Convert a Garage - £16,102

Garage - £18,602

Build a flat roof extension - £22,102

Build a dormer loft conversion - £42,102

Concrete foundations - £6,352

Convert a bungalow loft - £29,102

Convert a basement - £38,643