Green Building Store is now 21°

Our showrooms


A permanent display of 21°’s triple-glazed window ranges and sample MVHR systems can be found at STAND 141/142 at the National Self Build & Renovation Centre in Swindon. You can visit any time during NSBRC opening hours.

Midweek dates and times are available. For availability see the link below and book an appointment to ensure a team member is available to discuss your project.

Get in touch

About 21°


Heath House Mill
Unit 6, Heath House Lane
Huddersfield HD7 4JW
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Office Hours

9am - 4.30pm Monday to Friday

Life changing homes