From £87,048
Trusted and professional extension builder in Roydon. Experienced in all extension buildering work and keeping within budget and on quote. WHITE EA...
From £87,392
Need an Extension Builder in Roydon? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many ...
From £87,184
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in Roydon. No obligation free quotes an...
From £87,560
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
From £86,984
JK Doors is a trusted extension builder serving customers in Roydon and the surrounding area. Contact us to today to get a competitive quote for ex...
From £87,192
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
From £87,312
skilled worker who specializes in completing a wide range of building and renovation projects
From £87,200
Relax... you have found a reliable extension builder in Roydon. Derryard Construction Ltd is a friendly and reliable company based in Roydon who co...
From £86,968
B J CULLEN BUILDERS are here to help customers who need an Extension Builder in Roydon. We offer a competitive rate to complete all your extension ...
From £87,032
Relax... you have found a reliable extension builder in Roydon. Major Building Contractors Ltd is a friendly and reliable company based in Roydon w...

Building a granny annexe ranges from £86,968 (B J CULLEN BUILDERS based in IG3) to £87,560 (Rafix Building based in EN4), 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 Roydon by posting a job with HaMuch. We will send it to extension builders in Roydon who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Harlow | £43 | £288 |
| Granny Annexe near Hoddesdon | £46 | £296 |
| Granny Annexe near Ware | £47 | £296 |
| Granny Annexe near Cheshunt | £48 | £285 |
| Granny Annexe near Epping Forest | £44 | £273 |
| Granny Annexe near Loughton | £44 | £273 |
| Granny Annexe near Hertford | £46 | £289 |
| Granny Annexe near Bishop's Stortford | £42 | £264 |
| Granny Annexe near East Hertfordshire | £44 | £289 |
| Granny Annexe near Welwyn Garden City | £42 | £268 |
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 - £17,687

Two storey extension - £88,281

Build a timber frame extension - £26,187

Build a swimming pool - £81,187

Single storey extension - £58,744

Side return extension - £43,606

Install an RSJ - £2,387

Outbuilding - £10,187

Build a Mansard loft conversion - £52,187

Loft conversion - £35,505

Build a kitchen extension - £42,187

Hip to gable loft conversion - £42,187

Granny annexe - £87,187

Garden office - £10,187

Convert a Garage - £16,187

Garage - £18,687

Build a flat roof extension - £22,187

Build a dormer loft conversion - £42,187

Concrete foundations - £6,437

Convert a bungalow loft - £29,187

Convert a basement - £39,606