Install a garden office in Horsham from £9,952

A garden office is a great option if you want a place to work from home that you can shut the door on at the end of the day. Create a peaceful space adorned with plants and plenty of natural light, or design a sleek modern look to increase productivity. But how much do they cost in Horsham?

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Garden office cost in Horsham

DPP Construction (David Price Partnership)

From £10,272

(last active 23/09/26)

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

DPP Construction (David Price Partnership) provides a lo...

Vpbuildesign Ltd

From £10,480

(last active 23/09/26)

New build, complete refurbishment and renovation service. We provide a quality turnkey service in Central London , South West London 

R S Construction (Surrey)

From £10,168

(last active 22/09/26)

R S Construction (Surrey) is an established extension buildering business in Horsham. We come highly recommended and provide competitive quotes for...

ADO Builders

From £9,952

(last active 22/09/26)

ADO Builders is a trusted extension builder serving customers in Horsham and the surrounding area. Contact us to today to get a competitive quote f...

Shercoriana London Ltd

From £10,032

(last active 22/09/26)

We are a family run business we 40 years experience delivering multiple projects from new developments . Extension. Loft conversion. Including foun...

H P Building Services Sussex

From £9,992

Member since August 2026

H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...

Main Construction

From £10,440

(last active 19/09/26)

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

Main Construction provides a local, trusted extension bu...

Alan Pacy Builder

From £10,200

(last active 18/09/26)

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

Garage Door Repairs

From £10,408

(last active 18/09/26)

Garage Door Repairs is an established extension buildering business in Horsham. We come highly recommended and provide competitive quotes for your ...

GD Project Management Ltd

From £10,376

(last active 18/09/26)

Giles Dixon is an experienced Project Manager with over 30 years experience, having worked from the ground up starting in 1984 as an apprentice ele...

Garden Office Cost in Horsham

Estimates for garden office near Horsham

Garden offices range from the cheapest of £9,952 (ADO Builders based in GU22) to the dearest of £10,480 (Vpbuildesign Ltd based in KT11), but these are only estimates.

The best way to compare costs is to get actual quotes.

Get rates and quotes to build a garden office in Horsham by posting a job with HaMuch. We'll send it to extension builders in Horsham.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Garden Office near Horsham£38£265
Garden Office near Crawley£38£255
Garden Office near Mid Sussex£35£261
Garden Office near Horley£38£258
Garden Office near Haywards Heath£35£256
Garden Office near Burgess Hill£36£240
Garden Office near Reigate£40£270
Garden Office near Redhill£41£269
Garden Office near East Grinstead£37£259
Garden Office near Great Bookham£42£281

Estimates for common extension builder jobs in Horsham;

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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