DON’T LET NON-COMPLIANT WINDOWS DERAIL YOUR NEXT PROJECT
The free guide every contractor needs before specifying or installing timber windows — covering Building Regulations, certification, testing standards, and what to demand from your supplier.
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Complete the form below to access our guide to compliant timber windows. It takes under a minute to request. It could save you considerably more time on-site!
In this free PDF guide, you will find:
- Building Regulations: Which regulations apply to timber windows and how to verify your supplier meets them.
- Performance Standards: How to assess U-values, air permeability, and weathertightness, and what good test data looks like.
- Third-Party Certification: What BSI Kitemark, UKCA marking, and Secured by Design mean in practice, and why they matter.
- Supplier Scrutiny: The questions every contractor should be asking, and the responses that warrant further scrutiny.
- Heritage and Listed Buildings: Where the compliance landscape shifts, and how to protect yourself and your client.
How Our Guide Can Help
Specifying the wrong timber windows can expose you to failed inspections, costly remediation work, and significant project delays. Yet compliance requirements from thermal performance and weathertightness to fire safety and security are evolving, and increasingly complex to navigate on site.
https://www.georgebarnsdale.co.uk/a-contractors-guide-to-compliant-timber-windows/
This guide cuts through the complexity so you can procure with confidence, protect your reputation, and keep your projects on programme.
About Us
George Barnsdale has been manufacturing compliant, high-performance timber windows since 1884. We hold ISO 9001, ISO 14001 and ISO 45001 accreditations, Secured by Design certification, and FSC chain-of-custody certification. When we write about compliance, it is from direct, long-standing manufacturing experience — not general guidance.
