Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Experienced extension builder ready to quote for your work. DJ Brooks Construction is the best extension builder in Lymm. No obligation free quotes...
Assured Building Solutions is an established extension buildering business in Lymm. We come highly recommended and provide competitive quotes for y...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Brookmeade Building is an established extension buildering business in Lymm. We come highly recommended and provide competitive quotes for your wor...
Relax... you have found a reliable extension builder in Lymm. SupeRend is a friendly and reliable company based in Lymm who consider no job as too ...
Lymm, WA13
Trusted and professional extension builder in Lymm. Experienced in all extension buildering work and keeping within budget and on quote. WOODBINE B...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Fixit Cheshire is an established and experienced local extension builder in Lymm. Please contact us for a free, no obligation quote and competitive...

Building a granny annexe ranges from £86,608 (DJ Brooks Construction based in WA14) to £87,016 (SupeRend based in WA15), 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 Lymm by posting a job with HaMuch. We will send it to extension builders in Lymm who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Irlam | £32 | £225 |
| Granny Annexe near Altrincham | £32 | £228 |
| Granny Annexe near Warrington | £31 | £222 |
| Granny Annexe near Trafford | £32 | £235 |
| Granny Annexe near Urmston | £32 | £231 |
| Granny Annexe near Sale | £32 | £235 |
| Granny Annexe near Stretford | £32 | £235 |
| Granny Annexe near Leigh | £31 | £224 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Golborne | £30 | £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 - £17,270

Two storey extension - £87,654

Build a timber frame extension - £25,770

Build a swimming pool - £80,770

Single storey extension - £50,392

Side return extension - £38,908

Install an RSJ - £1,970

Outbuilding - £9,770

Build a Mansard loft conversion - £51,770

Loft conversion - £31,590

Build a kitchen extension - £41,770

Hip to gable loft conversion - £41,770

Granny annexe - £86,770

Garden office - £9,770

Convert a Garage - £15,770

Garage - £18,270

Build a flat roof extension - £21,770

Build a dormer loft conversion - £41,770

Concrete foundations - £6,020

Convert a bungalow loft - £28,770

Convert a basement - £34,908