From £86,928
Total Extensions Kent is an established and experienced local extension builder in ME17. Please contact us for a free, no obligation quote and comp...
From £87,000
Experienced extension builder ready to quote for your work. Elite Building & Refurbishment Ltd is the best extension builder in ME17. No obligation...
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 £86,936
Experienced extension builder ready to quote for your work. Direct Build Ltd is the best extension builder in ME17. No obligation free quotes and m...
From £87,224
Relax... you have found a reliable extension builder in ME17. Timberlogbuild LTD is a friendly and reliable company based in ME17 who consider no j...
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 £87,088
Need an Extension Builder in ME17? Terlecki Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £87,328
JLS Contstruction is an established and experienced local extension builder in ME17. Please contact us for a free, no obligation quote and competit...
From £86,920
Alpha Projects Ltd are here to help customers who need an Extension Builder in ME17. We offer a competitive rate to complete all your extension bui...

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 ME17 by posting a job with HaMuch. We will send it to extension builders in ME17 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 Sittingbourne | £35 | £246 |
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Rochester | £39 | £254 |
| Granny Annexe near Chatham | £39 | £254 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Ashford | £36 | £256 |
| Granny Annexe near Faversham | £34 | £235 |
| Granny Annexe near Tonbridge | £38 | £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