From £86,752
Frank Fagan Builders, Joiners & Maintenance Contractors are here to help customers who need an Extension Builder in M30. We offer a competitive rat...
From £86,696
Advance Projects Ltd is a trusted extension builder serving customers in M30 and the surrounding area. Contact us to today to get a competitive quo...
From £86,800
Need to find an Extension Builder near you for all your extension buildering work?
AD TAYLOR JOINER & BUILDER provides a local, trusted ext...
From £86,704
Cjl Brickwork are here to help customers who need an Extension Builder in M30. We offer a competitive rate to complete all your extension builderin...
From £86,672
Relax... you have found a reliable extension builder in M30. Rdm Joinery & Building Specialists is a friendly and reliable company based in M30 who...
From £86,784
Need an Extension Builder in M30? Boothwells Building Services has been helping local clients (20 mile radius) with their extension buildering jobs...
From £87,152
With our engineers on board you can be sure that your premises maintain exactly the right temperature in all areas of all buildings for employee an...
From £86,784
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,976
Our building services company Casa Building Solutions Ltd was established in 2008. Since then we have been helping customers in Manchester and the ...
From £87,016
G P GILMORE JOINERY T/A is an established extension buildering business in M30. We come highly recommended and provide competitive quotes for you...

Building a granny annexe ranges from £86,672 (Rdm Joinery & Building Specialists based in M27) to £87,152 (MT Group based in M41), 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 M30 by posting a job with HaMuch. We will send it to extension builders in M30 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Eccles | £32 | £237 |
| Granny Annexe near Swinton | £32 | £235 |
| Granny Annexe near Urmston | £32 | £231 |
| Granny Annexe near Salford | £32 | £238 |
| Granny Annexe near Stretford | £32 | £235 |
| Granny Annexe near Irlam | £32 | £225 |
| Granny Annexe near Old Trafford | £32 | £236 |
| Granny Annexe near Little Hulton | £30 | £220 |
| Granny Annexe near Trafford | £32 | £235 |
| Granny Annexe near Prestwich | £31 | £234 |
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 - £17,334

Two storey extension - £87,750

Build a timber frame extension - £25,834

Build a swimming pool - £80,834

Single storey extension - £51,672

Side return extension - £39,628

Install an RSJ - £2,034

Outbuilding - £9,834

Build a Mansard loft conversion - £51,834

Loft conversion - £32,190

Build a kitchen extension - £41,834

Hip to gable loft conversion - £41,834

Granny annexe - £86,834

Garden office - £9,834

Convert a Garage - £15,834

Garage - £18,334

Build a flat roof extension - £21,834

Build a dormer loft conversion - £41,834

Concrete foundations - £6,084

Convert a bungalow loft - £28,834

Convert a basement - £35,628