Trusted and professional extension builder in WN5. Experienced in all extension buildering work and keeping within budget and on quote. JCR Constru...
Stephen Lowe
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 WN5. Jc Properties is a friendly and reliable company based in WN5 who consider no job as t...
Higher End Construction Limited is an established extension buildering business in WN5. We come highly recommended and provide competitive quotes f...
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
From £86,720
Direct Building Services is an established and experienced local extension builder in WN5. Please contact us for a free, no obligation quote and co...

Building a granny annexe ranges from £86,600 (SPL Building Services based in WN3) to £86,984 (JCR Construction based in WN6), 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 WN5 by posting a job with HaMuch. We will send it to extension builders in WN5 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Orrell | £29 | £214 |
| Granny Annexe near Wigan | £30 | £220 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near Skelmersdale | £28 | £210 |
| Granny Annexe near Hindley | £30 | £219 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near St Helens | £31 | £224 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Westhoughton | £31 | £222 |
| Granny Annexe near Leigh | £31 | £224 |
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 - £17,264

Two storey extension - £87,646

Build a timber frame extension - £25,764

Build a swimming pool - £80,764

Single storey extension - £50,280

Side return extension - £38,845

Install an RSJ - £1,964

Outbuilding - £9,764

Build a Mansard loft conversion - £51,764

Loft conversion - £31,538

Build a kitchen extension - £41,764

Hip to gable loft conversion - £41,764

Granny annexe - £86,764

Garden office - £9,764

Convert a Garage - £15,764

Garage - £18,264

Build a flat roof extension - £21,764

Build a dormer loft conversion - £41,764

Concrete foundations - £6,014

Convert a bungalow loft - £28,764

Convert a basement - £34,845