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BENCHMARK BUILDING & is a trusted extension builder serving customers in Sevenoaks and the surrounding area. Contact us to today to get a competiti...
Relax... you have found a reliable extension builder in Sevenoaks. UNIVERSAL CONSTRUCTION is a friendly and reliable company based in Sevenoaks who...
Tony Wickham
Trusted and professional extension builder in Sevenoaks. Experienced in all extension buildering work and keeping within budget and on quote. T WIC...
B C Construction is an established and experienced local extension builder in Sevenoaks. Please contact us for a free, no obligation quote and comp...
Sevenoaks, TN13
Experienced extension builder ready to quote for your work. PPC CONSTRUCTION is the best extension builder in Sevenoaks. No obligation free quotes ...
Need to find an Extension Builder near you for all your extension buildering work?
Egidos Limited provides a local, trusted extension build...
Relax... you have found a reliable extension builder in Sevenoaks. A C Ribbens Building & Decorating is a friendly and reliable company based in Se...
Altin Kodra
Our building services company AL-KO Renovations was established over 12 years ago. Since then we have been helping customers in the area by providi...
Trusted and professional extension builder in Sevenoaks. Experienced in all extension buildering work and keeping within budget and on quote. ORBIT...
From £9,896
M L Builders & Sons Limited is an established and experienced local extension builder in Sevenoaks. Please contact us for a free, no obligation quo...

Garden offices range from the cheapest of £9,888 (A C Ribbens Building & Decorating based in TN16) to the dearest of £10,528 (AL-KO Construction Ltd based in BR5), 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 Sevenoaks by posting a job with HaMuch. We'll send it to extension builders in Sevenoaks.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Sevenoaks | £38 | £234 |
| Garden Office near Tonbridge | £38 | £254 |
| Garden Office near Tunbridge Wells | £37 | £258 |
| Garden Office near Larkfield | £41 | £253 |
| Garden Office near Bexley | £42 | £265 |
| Garden Office near Caterham | £43 | £271 |
| Garden Office near Bromley | £43 | £268 |
| Garden Office near Dartford | £41 | £265 |
| Garden Office near Northfleet | £41 | £261 |
| Garden Office near Croydon | £42 | £267 |
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 - £17,597

Two storey extension - £88,145

Build a timber frame extension - £26,097

Build a swimming pool - £81,097

Single storey extension - £56,936

Side return extension - £42,589

Install an RSJ - £2,297

Outbuilding - £10,097

Build a Mansard loft conversion - £52,097

Loft conversion - £34,658

Build a kitchen extension - £42,097

Hip to gable loft conversion - £42,097

Granny annexe - £87,097

Garden office - £10,097

Convert a Garage - £16,097

Garage - £18,597

Build a flat roof extension - £22,097

Build a dormer loft conversion - £42,097

Concrete foundations - £6,347

Convert a bungalow loft - £29,097

Convert a basement - £38,589