From £89,992
Trusted and professional extension builder in SR4. Experienced in all extension buildering work and keeping within budget and on quote. David Robe...
From £86,936
Building Craft Ltd is an established extension buildering business in SR4. We come highly recommended and provide competitive quotes for your work....
From £86,912
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £86,984
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,104
A Kendal Builders (N/E) Limited is an established and experienced local extension builder in SR4. Please contact us for a free, no obligation quote...
From £86,912
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in SR4. We offer a competitive rate to complete all your extension...
From £87,880
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £86,784
Relax... you have found a reliable extension builder in SR4. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in SR4 who cons...
From £86,848
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in SR4. Please contact us for a free, no obligation quo...
From £86,600
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,600 (9 hello hello Lauren Hart speaking how can I hello it's Barry Hart fro based in NE34) to £89,992 (David Robertson builders based in Sr4), 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 SR4 by posting a job with HaMuch. We will send it to extension builders in SR4 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Sunderland | £33 | £251 |
| Granny Annexe near Washington | £33 | £254 |
| Granny Annexe near South Tyneside | £34 | £261 |
| Granny Annexe near Jarrow | £34 | £262 |
| Granny Annexe near Seaham | £35 | £235 |
| Granny Annexe near Hebburn | £34 | £246 |
| Granny Annexe near South Shields | £36 | £257 |
| Granny Annexe near Chester-le-Street | £35 | £242 |
| Granny Annexe near Wallsend | £34 | £245 |
| Granny Annexe near Gateshead | £33 | £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 - £17,795

Two storey extension - £88,443

Build a timber frame extension - £26,295

Build a swimming pool - £81,295

Single storey extension - £60,904

Side return extension - £44,821

Install an RSJ - £2,495

Outbuilding - £10,295

Build a Mansard loft conversion - £52,295

Loft conversion - £36,518

Build a kitchen extension - £42,295

Hip to gable loft conversion - £42,295

Granny annexe - £87,295

Garden office - £10,295

Convert a Garage - £16,295

Garage - £18,795

Build a flat roof extension - £22,295

Build a dormer loft conversion - £42,295

Concrete foundations - £6,545

Convert a bungalow loft - £29,295

Convert a basement - £40,821