From £87,040
Relax... you have found a reliable extension builder in ME2. CLEAN ROOM CONSTRUCTION LTD is a friendly and reliable company based in ME2 who consid...
From £87,240
AF Renovations LTD is an established and experienced local extension builder in ME2. Please contact us for a free, no obligation quote and competit...
From £86,848
Experienced extension builder ready to quote for your work. ASTA BUILDING LTD is the best extension builder in ME2. No obligation free quotes and m...
From £87,360
Ikonic Developments Limited are here to help customers who need an Extension Builder in ME2. We offer a competitive rate to complete all your exten...
From £87,488
Relax... you have found a reliable extension builder in ME2. Roof Go Roofing Ltd is a friendly and reliable company based in ME2 who consider no jo...
From £86,976
Freeman V & Co are here to help customers who need an Extension Builder in ME2. We offer a competitive rate to complete all your extension builderi...
From £86,864
G J Roofing Services is an established and experienced local extension builder in ME2. Please contact us for a free, no obligation quote and compet...
From £87,280
STABILIS BUILDING SERVICES LTD is a trusted extension builder serving customers in ME2 and the surrounding area. Contact us to today to get a compe...
From £86,960
M K Builders Medway Ltd is an established extension buildering business in ME2. We come highly recommended and provide competitive quotes for your ...
From £86,904
Zeppelin Construction Ltd is a construction company based in Gillingham, Kent. We offer a wide range of construction services to both domestic and ...

Building a granny annexe ranges from £86,848 (ASTA BUILDING LTD based in ME2) to £87,488 (Roof Go Roofing Ltd based in ME2), 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 ME2 by posting a job with HaMuch. We will send it to extension builders in ME2 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 Gravesend | £40 | £260 |
| Granny Annexe near Northfleet | £41 | £261 |
| Granny Annexe near Larkfield | £41 | £253 |
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Grays | £41 | £261 |
| Granny Annexe near Thurrock | £41 | £260 |
| Granny Annexe near Stanford-le-Hope | £40 | £254 |
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 - £17,596

Two storey extension - £88,144

Build a timber frame extension - £26,096

Build a swimming pool - £81,096

Single storey extension - £56,920

Side return extension - £42,580

Install an RSJ - £2,296

Outbuilding - £10,096

Build a Mansard loft conversion - £52,096

Loft conversion - £34,650

Build a kitchen extension - £42,096

Hip to gable loft conversion - £42,096

Granny annexe - £87,096

Garden office - £10,096

Convert a Garage - £16,096

Garage - £18,596

Build a flat roof extension - £22,096

Build a dormer loft conversion - £42,096

Concrete foundations - £6,346

Convert a bungalow loft - £29,096

Convert a basement - £38,580