From £87,192
ON BUILDING LTD is a trusted extension builder serving customers in ME9 and the surrounding area. Contact us to today to get a competitive quote fo...
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 £87,200
Experienced extension builder ready to quote for your work. SEAN EVANS GENERAL BUILDER is the best extension builder in ME9. No obligation free quo...
From £86,960
I D S BUILDERS LIMITED is an established extension buildering business in ME9. We come highly recommended and provide competitive quotes for your w...
From £86,872
Need an Extension Builder in ME9? Ybb has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get a qu...
From £86,912
Faryearny Building Services Ltd is an established extension buildering business in ME9. We come highly recommended and provide competitive quotes f...
From £86,952
Although only formed in 2011, we have put together a team with years of experience and in depth knowledge of the construction industry. Many of our...
From £86,968
D.E Wilson Builder Restoration & Refurbishment is an established extension buildering business in ME9. We come highly recommended and provide compe...
From £86,824
Hi we are a top professional company who put our customers first finish on time great customer service

Building a granny annexe ranges from £86,824 (Mr based in ME10) to £87,200 (SEAN EVANS GENERAL BUILDER based in ME10), 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 ME9 by posting a job with HaMuch. We will send it to extension builders in ME9 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 Gillingham | £39 | £253 |
| Granny Annexe near Chatham | £39 | £254 |
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Rochester | £39 | £254 |
| Granny Annexe near Larkfield | £41 | £253 |
| Granny Annexe near Whitstable | £28 | £214 |
| Granny Annexe near Canvey Island | £39 | £256 |
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 - £17,475

Two storey extension - £87,963

Build a timber frame extension - £25,975

Build a swimming pool - £80,975

Single storey extension - £54,504

Side return extension - £41,221

Install an RSJ - £2,175

Outbuilding - £9,975

Build a Mansard loft conversion - £51,975

Loft conversion - £33,518

Build a kitchen extension - £41,975

Hip to gable loft conversion - £41,975

Granny annexe - £86,975

Garden office - £9,975

Convert a Garage - £15,975

Garage - £18,475

Build a flat roof extension - £21,975

Build a dormer loft conversion - £41,975

Concrete foundations - £6,225

Convert a bungalow loft - £28,975

Convert a basement - £37,221