From £87,368
Atlant Construction is an established extension buildering business in University College London. We come highly recommended and provide competitiv...
From £87,376
CK Constructions & Development Ltd is a trusted extension builder serving customers in University College London and the surrounding area. Contact ...
From £87,400
FLAVIA CONDE is an established and experienced local extension builder in University College London. Please contact us for a free, no obligation qu...
From £87,184
Need to find an Extension Builder near you for all your extension buildering work?
Pacho Build Ltd provides a local, trusted extension buil...
From £87,472
Longland Construction LTD is a high end refurbishment contractor and sub contractor company in London and surrounding areas. Woodwork, painting and...
From £87,128
NWL BUILDERS LTD are here to help customers who need an Extension Builder in University College London. We offer a competitive rate to complete all...
From £86,984
JK Doors is a trusted extension builder serving customers in University College London and the surrounding area. Contact us to today to get a compe...
From £87,288
Grand Phase Ltd is a trusted extension builder serving customers in University College London and the surrounding area. Contact us to today to get ...
From £87,312
Teammax LTD are here to help customers who need an Extension Builder in University College London. We offer a competitive rate to complete all your...
From £87,216
I would like to take this opportunity to introduce the services offered by KBB Master Builder LTD. KBB Master Builder prides itself on offering hi...

Building a granny annexe ranges from £86,984 (JK Doors based in W1W) to £87,472 (Longland Construction based in WC1N), 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 University College London by posting a job with HaMuch. We will send it to extension builders in University College London who will be happy to help you.
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 - £17,773

Two storey extension - £88,409

Build a timber frame extension - £26,273

Build a swimming pool - £81,273

Single storey extension - £60,456

Side return extension - £44,569

Install an RSJ - £2,473

Outbuilding - £10,273

Build a Mansard loft conversion - £52,273

Loft conversion - £36,308

Build a kitchen extension - £42,273

Hip to gable loft conversion - £42,273

Granny annexe - £87,273

Garden office - £10,273

Convert a Garage - £16,273

Garage - £18,773

Build a flat roof extension - £22,273

Build a dormer loft conversion - £42,273

Concrete foundations - £6,523

Convert a bungalow loft - £29,273

Convert a basement - £40,569