Adam Porter
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
From £87,736
Relax... you have found a reliable extension builder in Deal. Cosbuild and Maintenance ltd is a friendly and reliable company based in Deal who con...
From £87,304
4D BUILDERS LTD are here to help customers who need an Extension Builder in Deal. We offer a competitive rate to complete all your e...

Costs range from £87,052 (A-Pex Building based in CT17) to £87,736 (Cosbuild and Maintenance ltd based in CT17), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Deal.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Deal | £26 | £199 |
| Two Storey Extension near Dover | £29 | £226 |
| Two Storey Extension near Margate | £27 | £208 |
| Two Storey Extension near Ramsgate | £27 | £208 |
| Two Storey Extension near Broadstairs | £27 | £208 |
| Two Storey Extension near Thanet | £27 | £208 |
| Two Storey Extension near Folkestone | £31 | £233 |
| Two Storey Extension near Canterbury | £31 | £232 |
| Two Storey Extension near Herne Bay | £28 | £213 |
| Two Storey Extension near Hythe | £31 | £228 |
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 - £17,076

Two storey extension - £87,364

Build a timber frame extension - £25,576

Build a swimming pool - £80,576

Single storey extension - £46,520

Side return extension - £36,730

Install an RSJ - £1,776

Outbuilding - £9,576

Build a Mansard loft conversion - £51,576

Loft conversion - £29,775

Build a kitchen extension - £41,576

Hip to gable loft conversion - £41,576

Granny annexe - £86,576

Garden office - £9,576

Convert a Garage - £15,576

Garage - £18,076

Build a flat roof extension - £21,576

Build a dormer loft conversion - £41,576

Concrete foundations - £5,826

Convert a bungalow loft - £28,576

Convert a basement - £32,730