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...
Need an Extension Builder in Whitfield? M LONG T/A MJ BUILDINGS has been helping local clients (20 mile radius) with their extension buildering job...
From £86,824
Relax... you have found a reliable extension builder in Whitfield. Cosbuild and Maintenance ltd is a friendly and reliable company based in Whitfie...
From £86,536
4D BUILDERS LTD are here to help customers who need an Extension Builder in Whitfield. We offer a competitive rate to complete all y...

Building a granny annexe ranges from £86,368 (A-Pex Building based in CT17) to £86,824 (Cosbuild and Maintenance ltd based in CT17), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Whitfield by posting a job with HaMuch. We will send it to extension builders in Whitfield who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Dover | £29 | £226 |
| Granny Annexe near Deal | £26 | £199 |
| Granny Annexe near Folkestone | £31 | £233 |
| Granny Annexe near Hythe | £31 | £228 |
| Granny Annexe near Canterbury | £31 | £232 |
| Granny Annexe near Margate | £27 | £208 |
| Granny Annexe near Ramsgate | £27 | £208 |
| Granny Annexe near Thanet | £27 | £208 |
| Granny Annexe near Broadstairs | £27 | £208 |
| Granny Annexe 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 - £17,116

Two storey extension - £87,424

Build a timber frame extension - £25,616

Build a swimming pool - £80,616

Single storey extension - £47,320

Side return extension - £37,180

Install an RSJ - £1,816

Outbuilding - £9,616

Build a Mansard loft conversion - £51,616

Loft conversion - £30,150

Build a kitchen extension - £41,616

Hip to gable loft conversion - £41,616

Granny annexe - £86,616

Garden office - £9,616

Convert a Garage - £15,616

Garage - £18,116

Build a flat roof extension - £21,616

Build a dormer loft conversion - £41,616

Concrete foundations - £5,866

Convert a bungalow loft - £28,616

Convert a basement - £33,180