We send your job to ALL Manchester extension builders
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Select your affordable Manchester extension builder
David Mather
Small brickwork jobs welcome.garden wall's and pointing as well.any type of walls built.
Experienced extension builder ready to quote for your work. DJ Brooks Construction is the best extension builder in Manchester. No obligation free ...
Ethos Property Developments Limited is an established extension buildering business in Manchester. We come highly recommended and provide competiti...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Shehele
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Manchester? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
Trusted and professional extension builder in Manchester. Experienced in all extension buildering work and keeping within budget and on quote. We B...
Trusted and professional extension builder in Manchester. Experienced in all extension buildering work and keeping within budget and on quote. Fit-...

Building a granny annexe ranges from £85,960 (Aquatec Builder based in OL10) to £89,400 (DJ Brooks Construction based in WA14), 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 Manchester by posting a job with HaMuch. We will send it to extension builders in Manchester who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Manchester | £32 | £236 |
| Granny Annexe near Old Trafford | £32 | £236 |
| Granny Annexe near Salford | £32 | £237 |
| Granny Annexe near Stretford | £32 | £239 |
| Granny Annexe near Prestwich | £31 | £233 |
| Granny Annexe near Droylsden | £34 | £237 |
| Granny Annexe near Failsworth | £35 | £236 |
| Granny Annexe near Swinton | £32 | £234 |
| Granny Annexe near Reddish | £34 | £235 |
| Granny Annexe near Eccles | £32 | £236 |
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 - £17,355

Two storey extension - £87,783

Build a timber frame extension - £25,855

Build a swimming pool - £80,855

Single storey extension - £52,104

Side return extension - £39,871

Install an RSJ - £2,055

Outbuilding - £9,855

Build a Mansard loft conversion - £51,855

Loft conversion - £32,393

Build a kitchen extension - £41,855

Hip to gable loft conversion - £41,855

Granny annexe - £86,855

Garden office - £9,855

Convert a Garage - £15,855

Garage - £18,355

Build a flat roof extension - £21,855

Build a dormer loft conversion - £41,855

Concrete foundations - £6,105

Convert a bungalow loft - £28,855

Convert a basement - £35,871