Build additional living space on your property in IG1

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in IG1?

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Granny annexe cost in IG1

HSM construction

From £87,344

Location

Londonderry, IG1

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Sz Builders

From £87,184

Need to find an Extension Builder near you for all your extension buildering work?

Sz Builders provides a local, trusted extension builderi...

Haze construction limited

From £87,288

Location

London, IG1

We are Haze Construction ltd, a young construction firm with plenty of experience. Our team has over 35 years of experience in the construction ind...

Essex Building Construction

From £87,424

A firm that believes in quality, doesn't cut on the key values that creates a ideal home or business. We take on all jobs working to your budget

Gill Builders

From £87,088

Location

Ilford, IG1

Relax... you have found a reliable extension builder in IG1. Gill Builders is a friendly and reliable company based in IG1 who consider no job as t...

Sky Property Group

From £86,992

Sky Property Group is a trusted extension builder serving customers in IG1 and the surrounding area. Contact us to today to get a competitive quote...

Red Knight Design & Build

From £87,392

Location

Greater London, IG1

Red Knight Design & Build is a trusted extension builder serving customers in IG1 and the surrounding area. Contact us to today to get a competitiv...

Jstar Construction + SH Architects

From £86,976

Relax... you have found a reliable extension builder in IG1. Jstar Construction + SH Architects is a friendly and reliable company based in IG1 who...

Jhon

From £86,896

Location

Ilford, IG1

Experienced extension builder ready to quote for your work. Jhon is the best extension builder in IG1. No obligation free quotes and many happy cus...

M & S Builders

From £87,032

M & S Builders is a trusted extension builder serving customers in IG1 and the surrounding area. Contact us to today to get a competitive quote for...

Granny Annexe Cost in IG1

Estimates for granny annexe near IG1

Building a granny annexe ranges from £86,896 (Jhon based in IG1) to £87,424 (Essex Building Construction 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 IG1 by posting a job with HaMuch. We will send it to extension builders in IG1 who will be happy to help you.

"Granny annexe" - REDBRIDGE, job posted 10/01/25


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Estimates for common extension builder jobs in IG1;

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.

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