Build additional living space on your property in Northwood

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 Northwood? To see prices and availability for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL Northwood extension builders

Compare quotes

Compare quotes

Available extension builders in Northwood reply

Save Money

Save Money

Select your affordable Northwood extension builder

Post your job

From £87,464

Last active Oct 26
Get quotes

AV Home Improvements

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

From £87,424

Last active Oct 26
Get quotes

Sharp Building Ltd

Sharp Building Ltd is an established and experienced local extension builder in Northwood. Please contact us for a free, no obligation quote and co...

From £87,368

Last active Oct 26
Get quotes

Building Service and Support Ltd

Relax... you have found a reliable extension builder in Northwood. Building Service and Support Ltd is a friendly and reliable company based in Nor...

From £87,224

Last active May 26
Get quotes

C S C BUILDINGS LTD

Relax... you have found a reliable extension builder in Northwood. C S C BUILDINGS LTD is a friendly and reliable company based in Northwood who co...

From £87,312

Last active May 26
Get quotes

Frame Brickwork

Relax... you have found a reliable extension builder in Northwood. Frame Brickwork is a friendly and reliable company based in Northwood who consid...

From £87,048

Last active May 26
Get quotes

Timeless Interiors

Personable and individual interior design service designed around what you love.

From £87,400

Last active May 26
Get quotes

Project Squared Construction Ltd

We specialise in constructing and the refurbishment of homes for discerning clients looking for quality, excellence and design in London and the Ho...

From £87,344

Last active May 26
Get quotes

DeHavilland Design & Build Limited

DeHavilland Design and Build have more than 12 years of experience working on major refurbishments, extensions and renovations in Central & West Lo...

From £86,960

Last active May 26
Get quotes

J B S Development & Construction Ltd

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

From £87,200

Last active May 26
Get quotes

Adams Build and Design LTD.

Location

Northwood Greater London, HA6

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

Adams Build and Design LTD. provides a local, trusted ex...

Granny Annexe Cost in Northwood

Estimates for granny annexe near Northwood

Building a granny annexe ranges from £86,960 (J B S Development & Construction Ltd based in HA5) to £87,464 (AV Home Improvements based in WD19), 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 Northwood by posting a job with HaMuch. We will send it to extension builders in Northwood who will be happy to help you.


Estimates for common extension builder jobs in Northwood;

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.

More extensions & conversions cost guides...