From £86,872
Need an Extension Builder in Sittingbourne? Ybb has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £86,912
Faryearny Building Services Ltd is an established extension buildering business in Sittingbourne. We come highly recommended and provide competitiv...
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
Sittingbourne, ME10
D.E Wilson Builder Restoration & Refurbishment is an established extension buildering business in Sittingbourne. We come highly recommended and pro...
From £86,824
Sittingbourne, ME10
Hi we are a top professional company who put our customers first finish on time great customer service
From £86,872
Sittingbourne, ME10
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,200
Sittingbourne, ME10
Experienced extension builder ready to quote for your work. SEAN EVANS GENERAL BUILDER is the best extension builder in Sittingbourne. No obligatio...
From £87,192
Sittingbourne, ME9
ON BUILDING LTD is a trusted extension builder serving customers in Sittingbourne and the surrounding area. Contact us to today to get a competitiv...
From £87,256
Sittingbourne, ME9
Need to find an Extension Builder near you for all your extension buildering work?
Pride Property Maintenance provides a local, trusted ext...

Building a granny annexe ranges from £86,824 (Mr based in ME10) to £87,256 (Pride Property Maintenance based in ME9), 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 Sittingbourne by posting a job with HaMuch. We will send it to extension builders in Sittingbourne 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 Rochester | £39 | £254 |
| Granny Annexe near Maidstone | £40 | £255 |
| 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 - £17,505

Two storey extension - £88,007

Build a timber frame extension - £26,005

Build a swimming pool - £81,005

Single storey extension - £55,096

Side return extension - £41,554

Install an RSJ - £2,205

Outbuilding - £10,005

Build a Mansard loft conversion - £52,005

Loft conversion - £33,795

Build a kitchen extension - £42,005

Hip to gable loft conversion - £42,005

Granny annexe - £87,005

Garden office - £10,005

Convert a Garage - £16,005

Garage - £18,505

Build a flat roof extension - £22,005

Build a dormer loft conversion - £42,005

Concrete foundations - £6,255

Convert a bungalow loft - £29,005

Convert a basement - £37,554