From £86,824
J FANNAN JNRS AND BUILDERS LTD is an established extension buildering business in Kilsyth. We come highly recommended and provide competitive quote...
From £86,752
TURNAROUND JOINERS & BUILDERS LTD is an established extension buildering business in Kilsyth. We come highly recommended and provide competitive qu...
From £87,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,072
Trusted and professional extension builder in Kilsyth. Experienced in all extension buildering work and keeping within budget and on quote. D MCALP...
From £86,856
Trusted and professional extension builder in Kilsyth. Experienced in all extension buildering work and keeping within budget and on quote. Tom Hil...
From £87,152
Relax... you have found a reliable extension builder in Kilsyth. JOHN COYNE JOINER & BUILDERS is a friendly and reliable company based in Kilsyth w...
From £87,144
Need an Extension Builder in Kilsyth? D & G has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Ge...
From £87,336
Trusted and professional extension builder in Kilsyth. Experienced in all extension buildering work and keeping within budget and on quote. jeramyt...
From £86,952
JLC BUILDERS are here to help customers who need an Extension Builder in Kilsyth. We offer a competitive rate to complete all your extension builde...
From £86,808
Experienced extension builder ready to quote for your work. Paul Wilson Builders is the best extension builder in Kilsyth. No obligation free quote...

Building a granny annexe ranges from £86,752 (TURNAROUND JOINERS & BUILDERS LTD based in G67) to £87,336 (Jeramythegate based in G66), 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 Kilsyth by posting a job with HaMuch. We will send it to extension builders in Kilsyth who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Cumbernauld | £31 | £234 |
| Granny Annexe near Kirkintilloch | £35 | £259 |
| Granny Annexe near East Dunbartonshire | £35 | £262 |
| Granny Annexe near Bishopbriggs | £35 | £262 |
| Granny Annexe near Coatbridge | £32 | £245 |
| Granny Annexe near Airdrie | £31 | £238 |
| Granny Annexe near North Lanarkshire | £31 | £238 |
| Granny Annexe near Viewpark | £31 | £233 |
| Granny Annexe near Glasgow | £34 | £258 |
| Granny Annexe near Falkirk | £31 | £208 |
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 - £17,498

Two storey extension - £87,996

Build a timber frame extension - £25,998

Build a swimming pool - £80,998

Single storey extension - £54,952

Side return extension - £41,473

Install an RSJ - £2,198

Outbuilding - £9,998

Build a Mansard loft conversion - £51,998

Loft conversion - £33,728

Build a kitchen extension - £41,998

Hip to gable loft conversion - £41,998

Granny annexe - £86,998

Garden office - £9,998

Convert a Garage - £15,998

Garage - £18,498

Build a flat roof extension - £21,998

Build a dormer loft conversion - £41,998

Concrete foundations - £6,248

Convert a bungalow loft - £28,998

Convert a basement - £37,473