Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Trusted and professional extension builder in Leigh. Experienced in all extension buildering work and keeping within budget and on quote. JCR Const...
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 Leigh. Jc Properties is a friendly and reliable company based in Leigh who consider no job ...
Relax... you have found a reliable extension builder in Leigh. David Anderson Builders is a friendly and reliable company based in Leigh who consid...
WWS Garage Doors & Shutters is a trusted extension builder serving customers in Leigh and the surrounding area. Contact us to today to get a compet...
Fishers Building & Paving Ltd is an established extension buildering business in Leigh. We come highly recommended and provide competitive quotes f...
Here at RC Building Services Ltd we pride ourselves on providing reliable, excellent quality and competitively priced building services. Our priori...
QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in Leigh. We offer a competitive rate to complete all your extensio...
Need an Extension Builder in Leigh? CB BUILDING & JOINERY LTD has been helping local clients (20 mile radius) with their extension buildering jobs ...

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 Leigh by posting a job with HaMuch. We will send it to extension builders in Leigh who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Leigh | £31 | £224 |
| Granny Annexe near Atherton | £31 | £223 |
| Granny Annexe near Westhoughton | £31 | £222 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near Hindley | £30 | £219 |
| Granny Annexe near Little Hulton | £30 | £220 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near Irlam | £32 | £225 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Wigan | £30 | £220 |
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 - £17,246

Two storey extension - £87,620

Build a timber frame extension - £25,746

Build a swimming pool - £80,746

Single storey extension - £49,928

Side return extension - £38,647

Install an RSJ - £1,946

Outbuilding - £9,746

Build a Mansard loft conversion - £51,746

Loft conversion - £31,373

Build a kitchen extension - £41,746

Hip to gable loft conversion - £41,746

Granny annexe - £86,746

Garden office - £9,746

Convert a Garage - £15,746

Garage - £18,246

Build a flat roof extension - £21,746

Build a dormer loft conversion - £41,746

Concrete foundations - £5,996

Convert a bungalow loft - £28,746

Convert a basement - £34,647