"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
Alpha Projects Ltd are here to help customers who need an Extension Builder in ME15. We offer a competitive rate to complete all your extension bui...
JOHN KNOWLES BUILDING SERVICES are here to help customers who need an Extension Builder in ME15. We offer a competitive rate to complete all your e...
From £87,080
We thrive on a challenge, and really enjoy working with our client's to provide a high quality finished product within the budget required. Whether...
From £87,000
Experienced extension builder ready to quote for your work. Elite Building & Refurbishment Ltd is the best extension builder in ME15. No obligation...
From £87,256
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,728
Stewart Epps
Experienced extension builder ready to quote for your work. Lande Solutions Ltd is the best extension builder in ME15. No obligation free quotes an...
From £86,872
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,936
Experienced extension builder ready to quote for your work. Direct Build Ltd is the best extension builder in ME15. No obligation free quotes and m...
From £87,328
JLS Contstruction is an established and experienced local extension builder in ME15. Please contact us for a free, no obligation quote and competit...

Building a granny annexe ranges from £86,368 (Rafs based in ME15) to £87,328 (JLS Contstruction based in ME15), 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 ME15 by posting a job with HaMuch. We will send it to extension builders in ME15 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Larkfield | £41 | £253 |
| Granny Annexe near Rochester | £39 | £254 |
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Chatham | £39 | £254 |
| Granny Annexe near Sittingbourne | £35 | £246 |
| Granny Annexe near Tonbridge | £38 | £254 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Gravesend | £40 | £260 |
| Granny Annexe near Tunbridge Wells | £37 | £258 |
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 - £17,446

Two storey extension - £87,918

Build a timber frame extension - £25,946

Build a swimming pool - £80,946

Single storey extension - £53,912

Side return extension - £40,888

Install an RSJ - £2,146

Outbuilding - £9,946

Build a Mansard loft conversion - £51,946

Loft conversion - £33,240

Build a kitchen extension - £41,946

Hip to gable loft conversion - £41,946

Granny annexe - £86,946

Garden office - £9,946

Convert a Garage - £15,946

Garage - £18,446

Build a flat roof extension - £21,946

Build a dormer loft conversion - £41,946

Concrete foundations - £6,196

Convert a bungalow loft - £28,946

Convert a basement - £36,888