From £86,472
Trusted and professional extension builder in Maghull. Experienced in all extension buildering work and keeping within budget and on quote. Jones L...
From £86,968
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £87,024
Red Avex Ltd are here to help customers who need an Extension Builder in Maghull. We offer a competitive rate to complete all your extension builde...
From £86,576
BTC Bernstef Ltd is an established extension buildering business in Maghull. We come highly recommended and provide competitive quotes for your wor...
From £86,880
Need to find an Extension Builder near you for all your extension buildering work?
Sbetts Building provides a local, trusted extension buil...
From £86,768
Relax... you have found a reliable extension builder in Maghull. KM Building Services is a friendly and reliable company based in Maghull who consi...
From £86,632
Elecsafe Northwest Ltd are here to help customers who need an Extension Builder in Maghull. We offer a competitive rate to complete all your extens...
From £86,712
PARKFIELD CONSTRUCTION LTD is an established extension buildering business in Maghull. We come highly recommended and provide competitive quotes fo...
From £87,000
Urban Select Construction is a trusted extension builder serving customers in Maghull and the surrounding area. Contact us to today to get a compet...

Building a granny annexe ranges from £86,304 (John Scarisbrick based in L39) to £87,024 (Red Avex Ltd based in L10), 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 Maghull by posting a job with HaMuch. We will send it to extension builders in Maghull who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Maghull | £33 | £219 |
| Granny Annexe near Kirkby | £31 | £222 |
| Granny Annexe near Ormskirk | £29 | £206 |
| Granny Annexe near Crosby | £34 | £223 |
| Granny Annexe near Sefton | £34 | £221 |
| Granny Annexe near Bootle | £32 | £223 |
| Granny Annexe near West Lancashire | £28 | £203 |
| Granny Annexe near Formby | £23 | £162 |
| Granny Annexe near Knowsley | £31 | £221 |
| Granny Annexe near Prescot | £31 | £222 |
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 - £17,234

Two storey extension - £87,600

Build a timber frame extension - £25,734

Build a swimming pool - £80,734

Single storey extension - £49,672

Side return extension - £38,503

Install an RSJ - £1,934

Outbuilding - £9,734

Build a Mansard loft conversion - £51,734

Loft conversion - £31,253

Build a kitchen extension - £41,734

Hip to gable loft conversion - £41,734

Granny annexe - £86,734

Garden office - £9,734

Convert a Garage - £15,734

Garage - £18,234

Build a flat roof extension - £21,734

Build a dormer loft conversion - £41,734

Concrete foundations - £5,984

Convert a bungalow loft - £28,734

Convert a basement - £34,503