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G. Finnigan Builders is an established extension buildering business in Rainford. We come highly recommended and provide competitive quotes for you...
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 Rainford. Jc Properties is a friendly and reliable company based in Rainford who consider n...
J.T.Construction is a trusted extension builder serving customers in Rainford and the surrounding area. Contact us to today to get a competitive qu...
Fixit Cheshire is an established and experienced local extension builder in Rainford. Please contact us for a free, no obligation quote and competi...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
Rainford, WA11
Need an Extension Builder in Rainford? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
Mark Robinson
Trusted and professional extension builder in Rainford. Experienced in all extension buildering work and keeping within budget and on quote. M L R ...

Building a granny annexe ranges from £86,608 (M L R Building Services based in WA11) to £86,992 (J.T.Construction based in WA5), 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 Rainford by posting a job with HaMuch. We will send it to extension builders in Rainford who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near St Helens | £31 | £224 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Orrell | £29 | £214 |
| Granny Annexe near Prescot | £31 | £223 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near Knowsley | £31 | £222 |
| Granny Annexe near Skelmersdale | £28 | £210 |
| Granny Annexe near Wigan | £30 | £220 |
| Granny Annexe near Huyton with Roby | £31 | £225 |
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 - £17,254

Two storey extension - £87,630

Build a timber frame extension - £25,754

Build a swimming pool - £80,754

Single storey extension - £50,072

Side return extension - £38,728

Install an RSJ - £1,954

Outbuilding - £9,754

Build a Mansard loft conversion - £51,754

Loft conversion - £31,440

Build a kitchen extension - £41,754

Hip to gable loft conversion - £41,754

Granny annexe - £86,754

Garden office - £9,754

Convert a Garage - £15,754

Garage - £18,254

Build a flat roof extension - £21,754

Build a dormer loft conversion - £41,754

Concrete foundations - £6,004

Convert a bungalow loft - £28,754

Convert a basement - £34,728