From £86,760
CJ Construction are here to help customers who need an Extension Builder in WA7. We offer a competitive rate to complete all your extension builder...
From £86,608
Relax... you have found a reliable extension builder in WA7. R A C Gas is a friendly and reliable company based in WA7 who consider no job as too b...
From £86,552
Liverpool Builder is an established extension buildering business in WA7. We come highly recommended and provide competitive quotes for your work.<...
From £86,672
J.M.C Building Services is a trusted extension builder serving customers in WA7 and the surrounding area. Contact us to today to get a competitive ...
From £86,704
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,768
Relax... you have found a reliable extension builder in WA7. KM Building Services is a friendly and reliable company based in WA7 who consider no j...
From £86,472
Trusted and professional extension builder in WA7. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
From £86,976
Nathan Thomas Plumbing is an established extension buildering business in WA7. We come highly recommended and provide competitive quotes for your w...
From £86,776
Relax... you have found a reliable extension builder in WA7. David Anderson Builders is a friendly and reliable company based in WA7 who consider n...
From £87,032
Tong Building & Joinery Ltd are here to help customers who need an Extension Builder in WA7. We offer a competitive rate to complete all your exten...

Building a granny annexe ranges from £86,472 (Jones Landscaping based in L30) to £87,032 (Tong Building & Joinery Ltd based in CH3), 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 WA7 by posting a job with HaMuch. We will send it to extension builders in WA7 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Runcorn | £33 | £228 |
| Granny Annexe near Halton | £31 | £220 |
| Granny Annexe near Widnes | £31 | £220 |
| Granny Annexe near Warrington | £31 | £222 |
| Granny Annexe near Huyton with Roby | £31 | £225 |
| Granny Annexe near Prescot | £31 | £223 |
| Granny Annexe near Knowsley | £31 | £222 |
| Granny Annexe near St Helens | £31 | £224 |
| Granny Annexe near Ellesmere Port | £31 | £214 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
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 - £17,232

Two storey extension - £87,598

Build a timber frame extension - £25,732

Build a swimming pool - £80,732

Single storey extension - £49,640

Side return extension - £38,485

Install an RSJ - £1,932

Outbuilding - £9,732

Build a Mansard loft conversion - £51,732

Loft conversion - £31,238

Build a kitchen extension - £41,732

Hip to gable loft conversion - £41,732

Granny annexe - £86,732

Garden office - £9,732

Convert a Garage - £15,732

Garage - £18,232

Build a flat roof extension - £21,732

Build a dormer loft conversion - £41,732

Concrete foundations - £5,982

Convert a bungalow loft - £28,732

Convert a basement - £34,485