From £87,024
Red Avex Ltd are here to help customers who need an Extension Builder in Aintree. We offer a competitive rate to complete all your extension builde...
From £86,472
Trusted and professional extension builder in Aintree. Experienced in all extension buildering work and keeping within budget and on quote. Jones L...
From £86,936
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Aintree. No obligation free qu...
From £86,768
Relax... you have found a reliable extension builder in Aintree. KM Building Services is a friendly and reliable company based in Aintree who consi...
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 £86,632
Elecsafe Northwest Ltd are here to help customers who need an Extension Builder in Aintree. We offer a competitive rate to complete all your extens...
From £86,552
Liverpool Builder is an established extension buildering business in Aintree. We come highly recommended and provide competitive quotes for your wo...
From £86,904
Need an Extension Builder in Aintree? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £87,376
We are Aurora Building Company & we are the home improvement company you can depend upon to help transform your home to suit your needs. We spe...
From £86,760
CJ Construction are here to help customers who need an Extension Builder in Aintree. We offer a competitive rate to complete all your extension bui...

Building a granny annexe ranges from £86,472 (Jones Landscaping based in L30) to £87,376 (Aurora Building company ltd based in L12), 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 Aintree by posting a job with HaMuch. We will send it to extension builders in Aintree who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Kirkby | £33 | £242 |
| Granny Annexe near Maghull | £33 | £219 |
| Granny Annexe near Bootle | £34 | £235 |
| Granny Annexe near Crosby | £34 | £223 |
| Granny Annexe near Sefton | £34 | £221 |
| Granny Annexe near Knowsley | £32 | £236 |
| Granny Annexe near Liverpool | £33 | £232 |
| Granny Annexe near Prescot | £33 | £239 |
| Granny Annexe near Huyton with Roby | £33 | £240 |
| Granny Annexe near Wallasey | £34 | £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 - £17,339

Two storey extension - £87,759

Build a timber frame extension - £25,839

Build a swimming pool - £80,839

Single storey extension - £51,784

Side return extension - £39,691

Install an RSJ - £2,039

Outbuilding - £9,839

Build a Mansard loft conversion - £51,839

Loft conversion - £32,243

Build a kitchen extension - £41,839

Hip to gable loft conversion - £41,839

Granny annexe - £86,839

Garden office - £9,839

Convert a Garage - £15,839

Garage - £18,339

Build a flat roof extension - £21,839

Build a dormer loft conversion - £41,839

Concrete foundations - £6,089

Convert a bungalow loft - £28,839

Convert a basement - £35,691