Build additional living space on your property in SG1

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 SG1? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in SG1 - Sort by rates or availability

From £87,192

Last active May 26
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Red Swan Construction

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 £87,016

Last active Apr 26
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G B BUILDSTORE LTD

Gary Braine

Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in SG1. No obligation free quotes and ...

From £87,504

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WALKERN CONSTRUCTION LIMITED

WALKERN CONSTRUCTION LIMITED is an established and experienced local extension builder in SG1. Please contact us for a free, no obligation quote an...

From £87,272

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Harris Building Solutions Limited

Harris Building Solutions Limited is an established extension buildering business in SG1. We come highly recommended and provide competitive quotes...

From £87,232

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Stevenage Roofing Services

We are a local roofing company offering a complete roofing service.We provide one of the most cost effective, reliable roofing services in and ...

From £87,320

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Totalworth Building Services

Totalworth Building Services is an established extension buildering business in SG1. We come highly recommended and provide competitive quotes for ...

From £87,160

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Precision Roofing & Building Maintenance

Andy N

Experienced extension builder ready to quote for your work. Precision Roofing & Building Maintenance is the best extension builder in SG1. No oblig...

From £87,360

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Wyatt Installations

We are a family run business with over 30 years of combined experience, we offer everything from replacing doors and worktops on your kitchen to sm...

From £87,168

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Conserv-a-tech

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

From £87,096

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GB Build

Relax... you have found a reliable extension builder in SG1. GB Build is a friendly and reliable company based in SG1 who consider no job as too bi...

Granny Annexe Cost in SG1

Estimates for granny annexe near SG1

Building a granny annexe ranges from £87,016 (G B BUILDSTORE LTD based in SG1) to £87,504 (WALKERN CONSTRUCTION LIMITED based in SG2), 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 SG1 by posting a job with HaMuch. We will send it to extension builders in SG1 who will be happy to help you.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Stevenage£44£282
Granny Annexe near Hitchin£43£283
Granny Annexe near North Hertfordshire£44£283
Granny Annexe near Letchworth£44£283
Granny Annexe near East Hertfordshire£44£289
Granny Annexe near Welwyn Garden City£42£269
Granny Annexe near Hertford£46£290
Granny Annexe near Harpenden£87£317
Granny Annexe near Luton£42£279
Granny Annexe near Ware£47£296

Estimates for common extension builder jobs in SG1;

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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