Build additional living space on your property in W1

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 W1?

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Granny annexe cost in W1

Starfish Properties

From £87,400

Starfish Properties is a trusted extension builder serving customers in W1 and the surrounding area. Contact us to today to get a competitive quote...

Dominic Payte - Design & Build

From £87,088

Dominic Payte - Design & Build is an established extension buildering business in W1. We come highly recommended and provide competitive quotes for...

Hestia Contractors Ltd

From £86,944

Hestia Contractors Ltd are here to help customers who need an Extension Builder in W1. We offer a competitive rate to complete all your extension b...

Guildon LTD

From £87,040

Independent construction company we have wide range of experience, including newconstruction, renovation, design build and retail stores. We provid...

CORRECTBUILDIV.LTD

From £87,232

We are specialised in: demolition services, foundation services, property extension, general bricklaying, internal renovation and configuration, ca...

Sehem Design

From £87,432

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

Cornerstone

From £87,064

Experienced extension builder ready to quote for your work. Cornerstone is the best extension builder in W1. No obligation free quotes and many hap...

JK Doors

From £86,984

JK Doors is a trusted extension builder serving customers in W1 and the surrounding area. Contact us to today to get a competitive quote for extens...

Grand Phase Ltd

From £87,288

Grand Phase Ltd is a trusted extension builder serving customers in W1 and the surrounding area. Contact us to today to get a competitive quote for...

Teammax LTD

From £87,312

Teammax LTD are here to help customers who need an Extension Builder in W1. We offer a competitive rate to complete all your extension buildering j...

Granny Annexe Cost in W1

Estimates for granny annexe near W1

Building a granny annexe ranges from £86,944 (Hestia Contractors Ltd based in W1B) to £87,432 (Sehem Design based in W1F), 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 W1 by posting a job with HaMuch. We will send it to extension builders in W1 who will be happy to help you.


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Estimates for common extension builder jobs in W1;

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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