Call us on 0808 1234 000


According to the Energy Savings Trust, almost half of all the UK’s carbon dioxide emissions come from our buildings and homes.


of the heat lost from an average home occurs through the windows which contributes up to half a tonne of C02 per home and higher utility bills.

Our Expertise

Bringing our own expertise to public and private sector projects, we take our commitment to offering sustainable and energy efficient products seriously and were one of the first to develop and achieve a Window Energy Rating A with a 0.8 U VALUE. Nationwide offers A, B and C ratings across our range, and our top spec A window that exceeds building regulations by 35% features multiple chambers, advanced glass coatings, warm edge spacer technology and PVC-U thermal inserts.

All our windows and doors are able to meet and exceed the demands of the Code for Sustainable Homes.

Download Reg No Filetype Size
PVC-U Casement A Rated Window 0228-002A PDF 113KB
PVC-U Casement B Rated Window 0228-003B PDF 114KB
PVC-U Casement C Rated Window 0228-004C PDF 114KB

Your next steps

Arrange a call back

Make an online enquiry

Contact our team

Call us now on 0808 1234 000

Calls may be recorded for training purposes (Open 9am - 5pm, Mon-Fri)

Get in touch

Nationwide House
74-88 Somers Road Rugby,
CV22 7DH

Phone: 01788 224 466

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