Please call to discuss your building needs.
We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...
Mayfair developers have been in the construction industry for over a decade. Our passion is to transform old spaces into new usable homes for our c...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
M K Builders Medway Ltd is an established extension buildering business in ME8. We come highly recommended and provide competitive quotes for your ...
Need to find an Extension Builder near you for all your extension buildering work?
McCready's Lofts & Refurbishments provides a local, trus...
From £87,080
HED Builders Ltd - Building The Dream is a trusted extension builder serving customers in ME8 and the surrounding area. Contact us to today to ge...
From £87,048
HED Builders Ltd is a London based construction company specialising in the exclusive private housing market. Founded by Chris Hambrook and Marcin ...
From £86,920
DG Building Services Kent Limited is an established and experienced local extension builder in ME8. Please contact us for a free, no obligation quo...
From £86,904
Zeppelin Construction Ltd is a construction company based in Gillingham, Kent. We offer a wide range of construction services to both domestic and ...

Building a granny annexe ranges from £86,904 (Zeppelin Construction Ltd based in ME7) 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 ME8 by posting a job with HaMuch. We will send it to extension builders in ME8 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Chatham | £39 | £254 |
| Granny Annexe near Rochester | £39 | £254 |
| Granny Annexe near Sittingbourne | £35 | £246 |
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Larkfield | £41 | £253 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Gravesend | £40 | £260 |
| Granny Annexe near Canvey Island | £39 | £256 |
| Granny Annexe near Northfleet | £41 | £261 |
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 - £17,590

Two storey extension - £88,136

Build a timber frame extension - £26,090

Build a swimming pool - £81,090

Single storey extension - £56,808

Side return extension - £42,517

Install an RSJ - £2,290

Outbuilding - £10,090

Build a Mansard loft conversion - £52,090

Loft conversion - £34,598

Build a kitchen extension - £42,090

Hip to gable loft conversion - £42,090

Granny annexe - £87,090

Garden office - £10,090

Convert a Garage - £16,090

Garage - £18,590

Build a flat roof extension - £22,090

Build a dormer loft conversion - £42,090

Concrete foundations - £6,340

Convert a bungalow loft - £29,090

Convert a basement - £38,517