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Available extension builders in Redbridge reply
Select your affordable Redbridge extension builder
From £86,880
Erald Kanani
Member since August 2025
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. Render is the best extension builder in Redbridge. No obligation free quotes and many h...
Decorating Building Service are here to help customers who need an Extension Builder in Redbridge. We offer a competitive rate to complete all your...
From £87,176
MIHAI Martolea
Member since September 2026
Fedora and sons Ltd is a trusted extension builder serving customers in Redbridge and the surrounding area. Contact us to today to get a competitiv...
Catalin CIOBANU
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in Redbridge. No obligation free quotes...
Need an Extension Builder in Redbridge? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension b...
Relax... you have found a reliable extension builder in Redbridge. M Saleem Builders is a friendly and reliable company based in Redbridge who cons...
UK Drywall Ltd is an established and experienced local extension builder in Redbridge. Please contact us for a free, no obligation quote and compet...
Sampson Essien
Thistle Bonding Coat: Ideal for use on low-suction backgrounds such as brick or concrete blocks, this product provided a solid foundation, Thi...
Relax... you have found a reliable extension builder in Redbridge. G HAMID CONSTRUCTION LTD is a friendly and reliable company based in Redbridge w...

Building a granny annexe ranges from £86,880 (Can design and Construction based in Ig11) to £87,712 (Render based in IG1), 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 Redbridge by posting a job with HaMuch. We will send it to extension builders in Redbridge who will be happy to help you.
"Granny annexe" - REDBRIDGE, job posted 10/01/25
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 - £17,702

Two storey extension - £88,302

Build a timber frame extension - £26,202

Build a swimming pool - £81,202

Single storey extension - £59,032

Side return extension - £43,768

Install an RSJ - £2,402

Outbuilding - £10,202

Build a Mansard loft conversion - £52,202

Loft conversion - £35,640

Build a kitchen extension - £42,202

Hip to gable loft conversion - £42,202

Granny annexe - £87,202

Garden office - £10,202

Convert a Garage - £16,202

Garage - £18,702

Build a flat roof extension - £22,202

Build a dormer loft conversion - £42,202

Concrete foundations - £6,452

Convert a bungalow loft - £29,202

Convert a basement - £39,768