From £9,824
Relax... you have found a reliable extension builder in Dover. Cosbuild and Maintenance ltd is a friendly and reliable company based in Dover who c...
From £9,368
Dover, CT17
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
From £9,656
John Nicoll trained as a joiner and carpenter in St Andrew's, Fife. For over 30 years, he has been operating in the London area - setting up 5 Ways...
From £9,536
Dover, CT14
4D BUILDERS LTD are here to help customers who need an Extension Builder in Dover. We offer a competitive rate to complete all your ...
From £9,736
Need an Extension Builder in Dover? M LONG T/A MJ BUILDINGS has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £9,664
Experienced extension builder ready to quote for your work. Buildstead is the best extension builder in Dover. No obligation free quotes and many h...
From £9,776
Tom Clark - Raison Home UK is a trusted extension builder serving customers in Dover and the surrounding area. Contact us to today to get a competi...
From £9,936
Experienced extension builder ready to quote for your work. THE EAST CLIFF BUILDING CO LTD is the best extension builder in Dover. No obligation fr...
From £9,664
Pentland Homes is an established extension buildering business in Dover. We come highly recommended and provide competitive quotes for your work.
From £9,816
Relax... you have found a reliable extension builder in Dover. LEVEL CONSTRUCTION is a friendly and reliable company based in Dover who consider n...

Outbuilding costs in Dover range from the cheapest of £9,368 (A-Pex Building based in CT17) to the dearest of £9,936 (THE EAST CLIFF BUILDING CO LTD based in CT18), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Dover by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Dover | £29 | £226 |
| Outbuilding near Folkestone | £31 | £233 |
| Outbuilding near Deal | £26 | £199 |
| Outbuilding near Hythe | £31 | £228 |
| Outbuilding near Canterbury | £31 | £232 |
| Outbuilding near Margate | £27 | £208 |
| Outbuilding near Ramsgate | £27 | £208 |
| Outbuilding near Thanet | £27 | £207 |
| Outbuilding near Broadstairs | £27 | £208 |
| Outbuilding near Herne Bay | £28 | £213 |
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 - £17,198

Two storey extension - £87,546

Build a timber frame extension - £25,698

Build a swimming pool - £80,698

Single storey extension - £48,952

Side return extension - £38,098

Install an RSJ - £1,898

Outbuilding - £9,698

Build a Mansard loft conversion - £51,698

Loft conversion - £30,915

Build a kitchen extension - £41,698

Hip to gable loft conversion - £41,698

Granny annexe - £86,698

Garden office - £9,698

Convert a Garage - £15,698

Garage - £18,198

Build a flat roof extension - £21,698

Build a dormer loft conversion - £41,698

Concrete foundations - £5,948

Convert a bungalow loft - £28,698

Convert a basement - £34,098