Relax... you have found a reliable extension builder in Seaforth. AA Decorators is a friendly and reliable company based in Seaforth who consider n...
Trusted and professional extension builder in Seaforth. Experienced in all extension buildering work and keeping within budget and on quote. Jones ...
J.M.C Building Services is a trusted extension builder serving customers in Seaforth and the surrounding area. Contact us to today to get a competi...
Need an Extension Builder in Seaforth? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Seaforth. No obligation free q...
CJ Construction are here to help customers who need an Extension Builder in Seaforth. We offer a competitive rate to complete all your extension bu...
Liverpool Builder is an established extension buildering business in Seaforth. We come highly recommended and provide competitive quotes for your w...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Seaforth. KM Building Services is a friendly and reliable company based in Seaforth who con...
Need to find an Extension Builder near you for all your extension buildering work?
Derek J Platt & Co provides a local, trusted extension b...

Building a granny annexe ranges from £86,472 (Jones Landscaping based in L30) to £86,936 (P & P Building Services based in L11), 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 Seaforth by posting a job with HaMuch. We will send it to extension builders in Seaforth who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bootle | £32 | £223 |
| Granny Annexe near Crosby | £33 | £222 |
| Granny Annexe near Sefton | £33 | £219 |
| Granny Annexe near Maghull | £33 | £219 |
| Granny Annexe near Wallasey | £32 | £224 |
| Granny Annexe near Liverpool | £31 | £222 |
| Granny Annexe near Kirkby | £31 | £223 |
| Granny Annexe near Birkenhead | £31 | £219 |
| Granny Annexe near Formby | £23 | £162 |
| Granny Annexe near Wirral | £31 | £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 - £17,255

Two storey extension - £87,633

Build a timber frame extension - £25,755

Build a swimming pool - £80,755

Single storey extension - £50,104

Side return extension - £38,746

Install an RSJ - £1,955

Outbuilding - £9,755

Build a Mansard loft conversion - £51,755

Loft conversion - £31,455

Build a kitchen extension - £41,755

Hip to gable loft conversion - £41,755

Granny annexe - £86,755

Garden office - £9,755

Convert a Garage - £15,755

Garage - £18,255

Build a flat roof extension - £21,755

Build a dormer loft conversion - £41,755

Concrete foundations - £6,005

Convert a bungalow loft - £28,755

Convert a basement - £34,746