From £87,616
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in ME1 and the surrounding area. Contact us to today to get a comp...
From £86,920
Masonic Plumbing and Heating Ltd are here to help customers who need an Extension Builder in ME1. We offer a competitive rate to complete all your ...
From £87,248
Need to find an Extension Builder near you for all your extension buildering work?
PFM General Building Services Ltd provides a local, trus...
From £87,216
Experienced extension builder ready to quote for your work. Liviu Toma is the best extension builder in ME1. No obligation free quotes and many hap...
From £87,256
Lover Build is an established and experienced local extension builder in ME1. Please contact us for a free, no obligation quote and competitive rat...
From £86,872
Need to find an Extension Builder near you for all your extension buildering work?
AMJAC CONSTRUCTION LTD provides a local, trusted extensi...
From £87,176
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in ME1 and the surrounding area. Contact us to today to get a co...
From £87,272
P OUGHTON BUILDING is an established and experienced local extension builder in ME1. Please contact us for a free, no obligation quote and competit...
From £86,456
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in ME1. No obligation free quotes and...
From £87,360
Need an Extension Builder in ME1? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering jo...

Building a granny annexe ranges from £86,456 (Capital Roofing Ltd based in SS13) to £87,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), 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 ME1 by posting a job with HaMuch. We will send it to extension builders in ME1 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Rochester | £39 | £254 |
| Granny Annexe near Chatham | £39 | £254 |
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Larkfield | £41 | £253 |
| Granny Annexe near Gravesend | £40 | £260 |
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Northfleet | £41 | £261 |
| Granny Annexe near Grays | £41 | £261 |
| Granny Annexe near Sittingbourne | £35 | £246 |
| Granny Annexe near Thurrock | £41 | £260 |
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 - £17,639

Two storey extension - £88,209

Build a timber frame extension - £26,139

Build a swimming pool - £81,139

Single storey extension - £57,784

Side return extension - £43,066

Install an RSJ - £2,339

Outbuilding - £10,139

Build a Mansard loft conversion - £52,139

Loft conversion - £35,055

Build a kitchen extension - £42,139

Hip to gable loft conversion - £42,139

Granny annexe - £87,139

Garden office - £10,139

Convert a Garage - £16,139

Garage - £18,639

Build a flat roof extension - £22,139

Build a dormer loft conversion - £42,139

Concrete foundations - £6,389

Convert a bungalow loft - £29,139

Convert a basement - £39,066