Top Form Construction are here to help customers who need an Extension Builder in ME12. We offer a competitive rate to complete all your extension ...
Please call to discuss your building needs.
"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
Frederick Head
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in ME12. No obligation free quot...
Darren Spencer
Need an Extension Builder in ME12? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering j...
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in ME12 and the surrounding area. Contact us to today to get a c...
Billy Baverstock
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in ME12. No obligation free quotes an...
P OUGHTON BUILDING is an established and experienced local extension builder in ME12. Please contact us for a free, no obligation quote and competi...

Building a granny annexe ranges from £86,368 (Rafs based in ME15) to £87,424 (Des Durant General Building based in ME5), 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 ME12 by posting a job with HaMuch. We will send it to extension builders in ME12 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Sittingbourne | £35 | £246 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Faversham | £34 | £235 |
| Granny Annexe near Southend-on-Sea | £37 | £247 |
| Granny Annexe near Whitstable | £28 | £214 |
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Canvey Island | £39 | £256 |
| Granny Annexe near Chatham | £39 | £254 |
| Granny Annexe near Thundersley | £38 | £251 |
| Granny Annexe near Rochester | £39 | £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 - £17,513

Two storey extension - £88,019

Build a timber frame extension - £26,013

Build a swimming pool - £81,013

Single storey extension - £55,256

Side return extension - £41,644

Install an RSJ - £2,213

Outbuilding - £10,013

Build a Mansard loft conversion - £52,013

Loft conversion - £33,870

Build a kitchen extension - £42,013

Hip to gable loft conversion - £42,013

Granny annexe - £87,013

Garden office - £10,013

Convert a Garage - £16,013

Garage - £18,513

Build a flat roof extension - £22,013

Build a dormer loft conversion - £42,013

Concrete foundations - £6,263

Convert a bungalow loft - £29,013

Convert a basement - £37,644