Build additional living space on your property in Bexley

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 Bexley?

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Granny annexe cost in Bexley

Toro Renovations Ltd

From £87,120

Founded in Primrose Hill in 2016 by Michael Clarkson, Toro Renovations Ltd was made to provide our clients with exceptional standards in property r...

TWF Building Works

From £87,144

Location

Bexley, DA5

Our building services company TWF Building Works have over 38 years? experience in the trade. We have been helping customers all over London and th...

D D Loft Conversions

From £86,920

D D Loft Conversions is a trusted extension builder serving customers in Bexley and the surrounding area. Contact us to today to get a competitive ...

Builder

From £86,632

Good quality 

Henderson - Ure Building & Construction

From £87,136

Building company specialising in mordenising, extending and re modelling your home.

With a 100% record for fulfilling jobs to the highes...

GW Building Solutions

From £87,008

I am an experienced builder, I jave been in the building game since I left college after doing a 2 year bricklaying apprenticeship.

I ha...

C2 Building & Consultancy Limited

From £87,352

Experienced extension builder ready to quote for your work. C2 Building & Consultancy Limited is the best extension builder in Bexley. No obligatio...

Montrose Builders Ltd

From £86,888

Location

Bexley Sidcup, DA15

Need an Extension Builder in Bexley? Montrose Builders Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for...

Inner City Refurbs Ltd

From £86,536

Need an Extension Builder in Bexley? Inner City Refurbs Ltd has been helping local clients (10 mile radius) with their extension buildering jobs fo...

R Tredget & Son

From £87,352

Location

Kent, DA15

R Tredget & Son are here to help customers who need an Extension Builder in Bexley. We offer a competitive rate to complete all your extension buil...

Granny Annexe Cost in Bexley

Estimates for granny annexe near Bexley

Building a granny annexe ranges from £86,536 (Inner City Refurbs Ltd based in DA6) to £87,352 (C2 Building & Consultancy Limited based in DA5), 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 Bexley by posting a job with HaMuch. We will send it to extension builders in Bexley who will be happy to help you.

"Granny annexe" - BEXLEYHEATH, job posted 10/07/25


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Estimates for common extension builder jobs in Bexley;

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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