From £86,976
Nathan Thomas Plumbing is an established extension buildering business in L4. We come highly recommended and provide competitive quotes for your wo...
From £86,472
Trusted and professional extension builder in L4. Experienced in all extension buildering work and keeping within budget and on quote. Jones Landsc...
From £86,672
J.M.C Building Services is a trusted extension builder serving customers in L4 and the surrounding area. Contact us to today to get a competitive q...
From £87,032
Tong Building & Joinery Ltd are here to help customers who need an Extension Builder in L4. We offer a competitive rate to complete all your extens...
From £87,056
AJ Solutions is an established extension buildering business in L4. We come highly recommended and provide competitive quotes for your work.
From £86,608
Relax... you have found a reliable extension builder in L4. R A C Gas is a friendly and reliable company based in L4 who consider no job as too big...
From £86,696
G P Roofing & Building Service is a trusted extension builder serving customers in L4 and the surrounding area. Contact us to today to get a compet...
From £86,792
EBI BUILDING RENOVATIONS is a trusted extension builder serving customers in L4 and the surrounding area. Contact us to today to get a competitive ...
From £86,688
Experienced extension builder ready to quote for your work. BURGHWOOD CONSTRUCTION LTD is the best extension builder in L4. No obligation free quot...
From £86,528
Need an Extension Builder in L4? Darren Finney Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ma...

Building a granny annexe ranges from £86,472 (Jones Landscaping based in L30) to £87,056 (AJ Solutions based in CH1), 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 L4 by posting a job with HaMuch. We will send it to extension builders in L4 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bootle | £32 | £223 |
| Granny Annexe near Liverpool | £31 | £222 |
| Granny Annexe near Wallasey | £32 | £224 |
| Granny Annexe near Kirkby | £31 | £223 |
| Granny Annexe near Birkenhead | £31 | £219 |
| Granny Annexe near Crosby | £33 | £222 |
| Granny Annexe near Maghull | £33 | £219 |
| Granny Annexe near Knowsley | £31 | £222 |
| Granny Annexe near Sefton | £33 | £219 |
| Granny Annexe near Huyton with Roby | £31 | £225 |
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 - £17,252

Two storey extension - £87,628

Build a timber frame extension - £25,752

Build a swimming pool - £80,752

Single storey extension - £50,040

Side return extension - £38,710

Install an RSJ - £1,952

Outbuilding - £9,752

Build a Mansard loft conversion - £51,752

Loft conversion - £31,425

Build a kitchen extension - £41,752

Hip to gable loft conversion - £41,752

Granny annexe - £86,752

Garden office - £9,752

Convert a Garage - £15,752

Garage - £18,252

Build a flat roof extension - £21,752

Build a dormer loft conversion - £41,752

Concrete foundations - £6,002

Convert a bungalow loft - £28,752

Convert a basement - £34,710