West Sussex two storey extensions from £87,616

A two storey extension is a great way to add extra space to your home, adding value to your property. But how much does it cost to build a double storey extension in West Sussex? 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 West Sussex extension builders

Compare quotes

Compare quotes

Available extension builders in West Sussex reply

Save Money

Save Money

Select your affordable West Sussex extension builder

Post your job

From £88,180

Last active Nov 26
Get quotes

C C OLEARY CONSTRUCTION

Experienced extension builder ready to quote for your work. C C OLEARY CONSTRUCTION is the best extension builder in West Sussex. No obligation fre...

From £88,300

Last active Nov 26
Get quotes

Alan Pacy Builder

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

From £87,820

Last active Nov 26
Get quotes

Stretch My Home Ltd

Trusted and professional extension builder in West Sussex. Experienced in all extension buildering work and keeping within budget and on quote. Str...

From £87,664

Last active Nov 26
Get quotes

M Wesley General Builder & Property Maintenance

M Wesley General Builder & Property Maintenance is a trusted extension builder serving customers in West Sussex and the surrounding area. Contact u...

From £87,976

Last active Oct 26
Get quotes

FIRST FORMAT BUILDING

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

FIRST FORMAT BUILDING provides a local, trusted extensio...

From £87,988

Get quotes

H P Building Services Sussex

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...

From £88,168

Last active Sep 26
Get quotes

Haynes & Scott Developments

Relax... you have found a reliable extension builder in West Sussex. Haynes & Scott Developments is a friendly and reliable company based in West S...

From £87,664

Last active Jun 26
Get quotes

S J Peace Building Contractor

Trusted and professional extension builder in West Sussex. Experienced in all extension buildering work and keeping within budget and on quote. S J...

From £87,616

Last active Jun 26
Get quotes

ONE BUILD

Relax... you have found a reliable extension builder in West Sussex. ONE BUILD is a friendly and reliable company based in West Sussex who consider...

From £87,904

Last active May 26
Get quotes

ACF Carpentry Ltd

ACF Carpentry Ltd is an established and experienced local extension builder in West Sussex. Please contact us for a free, no obligation quote and c...

Cost of a two storey extension in West Sussex

Estimates for two storey extension near West Sussex

Costs range from £87,616 (ONE BUILD based in BN17) to £88,300 (Alan Pacy Builder based in BN12), but these are just estimates. The best way to compare costs is to get real quotes from real builders.

Post your job on HaMuch and we'll send it to extension builders to West Sussex.


Estimates for common extension builder jobs in West Sussex;

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...