From £86,824
GF Construction, headed by Gary Flower, are a team of highly skilled and experienced builders operating out of Moreton, and serving the Wirral and ...
From £86,952
Trusted and professional extension builder in CH46. Experienced in all extension buildering work and keeping within budget and on quote. DW Brickwo...
From £86,576
Relax... you have found a reliable extension builder in CH46. A.B Building Services Ltd is a friendly and reliable company based in CH46 who consid...
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 £86,912
Need to find an Extension Builder near you for all your extension buildering work?
PropertyPro provides a local, trusted extension builderi...
From £86,736
Trusted and professional extension builder in CH46. Experienced in all extension buildering work and keeping within budget and on quote. MA Roofing...
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 £86,896
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 CH46. We come highly recommended and provide competitive quotes for your...
From £86,696
Robuild - Waterwise is an established extension buildering business in CH46. We come highly recommended and provide competitive quotes for your wor...

Building a granny annexe ranges from £86,576 (A.B Building Services Ltd based in CH49) to £86,952 (DW Brickwork based in CH46), 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 CH46 by posting a job with HaMuch. We will send it to extension builders in CH46 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Wirral | £31 | £219 |
| Granny Annexe near Wallasey | £33 | £224 |
| Granny Annexe near Birkenhead | £31 | £219 |
| Granny Annexe near Liverpool | £31 | £222 |
| Granny Annexe near Heswall | £30 | £213 |
| Granny Annexe near Bebington | £31 | £222 |
| Granny Annexe near Bootle | £32 | £223 |
| Granny Annexe near Crosby | £34 | £223 |
| Granny Annexe near Sefton | £34 | £221 |
| Granny Annexe near Maghull | £33 | £219 |
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 - £17,285

Two storey extension - £87,677

Build a timber frame extension - £25,785

Build a swimming pool - £80,785

Single storey extension - £50,696

Side return extension - £39,079

Install an RSJ - £1,985

Outbuilding - £9,785

Build a Mansard loft conversion - £51,785

Loft conversion - £31,733

Build a kitchen extension - £41,785

Hip to gable loft conversion - £41,785

Granny annexe - £86,785

Garden office - £9,785

Convert a Garage - £15,785

Garage - £18,285

Build a flat roof extension - £21,785

Build a dormer loft conversion - £41,785

Concrete foundations - £6,035

Convert a bungalow loft - £28,785

Convert a basement - £35,079