Window Brands Compared — UK 2026
Compare the major UK window brands — Anglian, Everest, Safestyle and local fabricators — on U-values, WER ratings, warranty, cost and quality.
Brand Comparison Table
| Feature | Anglian | Everest | Safestyle | Local Fabricator |
|---|---|---|---|---|
| Cost per window | £600-1,200 | £500-1,000 | £400-700 | £300-600 |
| WER rating | A to A+ | A to A+ | A | A to A++ (varies) |
| U-value (double) | 1.2-1.4 W/m²K | 1.2-1.4 W/m²K | 1.3-1.4 W/m²K | 1.1-1.4 W/m²K |
| Guarantee | 10-15 years | 10-20 years | 10 years | 10 years typical |
| Profile system | Proprietary | Mixed | Industry standard | VEKA, Liniar, etc. |
| Triple glazing option | Yes | Yes | Limited | Yes (most) |
| FENSA/CERTASS | Yes | Yes | Yes | Check individually |
Choosing a Window Supplier
- Anglian — Premium national brand, wide product range, strong after-sales, highest prices
- Everest — Well-known brand, competitive mid-range pricing, established reputation
- Safestyle — Budget-friendly national option, basic specifications, value-focused
- Local fabricators — Often best value, same quality profiles, personal service, check credentials carefully
Key Tips
- Always compare U-values and WER ratings, not just brand names
- Verify FENSA or CERTASS registration (legal requirement)
- Get minimum 3 written quotes with identical specifications
- Check the actual glass specification — low-e coating, argon fill, warm edge spacer
- Beware high-pressure sales tactics with large instant discounts
Related Calculators
Use the Window U-Value Calculator to compare thermal performance, or the Double Glazing Cost Calculator for budgeting.
How We Calculate This
Frequently Asked Questions
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Last updated: April 2026
All calculations are estimates. Verify with your supplier.