From £86,736
Need an Extension Builder in CH42? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £86,528
Relax... you have found a reliable extension builder in CH42. Eco Construction Systems Ltd is a friendly and reliable company based in CH42 who con...
From £86,392
SJBuild Ltd is an established and experienced local extension builder in CH42. Please contact us for a free, no obligation quote and competitive ra...
From £86,880
Danny Anderson Builder is an established extension buildering business in CH42. We come highly recommended and provide competitive quotes for your ...
From £86,952
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,736
Trusted and professional extension builder in CH42. Experienced in all extension buildering work and keeping within budget and on quote. MA Roofing...
From £86,744
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,904
Glassrooms is an established extension buildering business in CH42. We come highly recommended and provide competitive quotes for your work.
From £86,752
Need an Extension Builder in CH42? ARGYLE BUILDING AND MAINTENANCE has been helping local clients (20 mile radius) with their extension buildering ...
From £87,016
Art Henry's are here to help customers who need an Extension Builder in CH42. We offer a competitive rate to complete all your extension buildering...

Building a granny annexe ranges from £86,392 (SJBuild Ltd based in CH63) to £87,016 (Art Henry's based in L8), 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 CH42 by posting a job with HaMuch. We will send it to extension builders in CH42 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Birkenhead | £33 | £232 |
| Granny Annexe near Bebington | £31 | £222 |
| Granny Annexe near Wirral | £31 | £219 |
| Granny Annexe near Liverpool | £33 | £232 |
| Granny Annexe near Wallasey | £34 | £236 |
| Granny Annexe near Heswall | £30 | £213 |
| Granny Annexe near Bootle | £34 | £235 |
| Granny Annexe near Crosby | £34 | £223 |
| Granny Annexe near Ellesmere Port | £31 | £214 |
| Granny Annexe near Huyton with Roby | £33 | £240 |
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 - £17,264

Two storey extension - £87,646

Build a timber frame extension - £25,764

Build a swimming pool - £80,764

Single storey extension - £50,280

Side return extension - £38,845

Install an RSJ - £1,964

Outbuilding - £9,764

Build a Mansard loft conversion - £51,764

Loft conversion - £31,538

Build a kitchen extension - £41,764

Hip to gable loft conversion - £41,764

Granny annexe - £86,764

Garden office - £9,764

Convert a Garage - £15,764

Garage - £18,264

Build a flat roof extension - £21,764

Build a dormer loft conversion - £41,764

Concrete foundations - £6,014

Convert a bungalow loft - £28,764

Convert a basement - £34,845