From £86,736
Trusted and professional extension builder in CH41. Experienced in all extension buildering work and keeping within budget and on quote. MA Roofing...
From £86,904
Glassrooms is an established extension buildering business in CH41. We come highly recommended and provide competitive quotes for your work.
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 £86,736
Need an Extension Builder in CH41? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £86,896
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,664
Accro Building Services is an established extension buildering business in CH41. We come highly recommended and provide competitive quotes for your...
From £86,848
Need to find an Extension Builder near you for all your extension buildering work?
S.L.P Property Maintenance provides a local, trusted ext...
From £86,912
Need to find an Extension Builder near you for all your extension buildering work?
PropertyPro provides a local, trusted extension builderi...
From £86,968
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,696
Robuild - Waterwise is an established extension buildering business in CH41. We come highly recommended and provide competitive quotes for your wor...

Building a granny annexe ranges from £86,664 (Accro Building Services based in CH44) to £86,968 (Dbd based in L3), 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 CH41 by posting a job with HaMuch. We will send it to extension builders in CH41 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Birkenhead | £31 | £219 |
| Granny Annexe near Wallasey | £33 | £224 |
| Granny Annexe near Liverpool | £31 | £222 |
| Granny Annexe near Wirral | £31 | £219 |
| Granny Annexe near Bebington | £31 | £222 |
| Granny Annexe near Bootle | £32 | £223 |
| Granny Annexe near Heswall | £30 | £213 |
| Granny Annexe near Crosby | £34 | £223 |
| Granny Annexe near Sefton | £34 | £221 |
| Granny Annexe near Kirkby | £31 | £222 |
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 - £17,310

Two storey extension - £87,716

Build a timber frame extension - £25,810

Build a swimming pool - £80,810

Single storey extension - £51,208

Side return extension - £39,367

Install an RSJ - £2,010

Outbuilding - £9,810

Build a Mansard loft conversion - £51,810

Loft conversion - £31,973

Build a kitchen extension - £41,810

Hip to gable loft conversion - £41,810

Granny annexe - £86,810

Garden office - £9,810

Convert a Garage - £15,810

Garage - £18,310

Build a flat roof extension - £21,810

Build a dormer loft conversion - £41,810

Concrete foundations - £6,060

Convert a bungalow loft - £28,810

Convert a basement - £35,367