AluK vs Britelite
Average Price
£850
AluK
£617
Britelite
U-Value
1.1 W/m²K
AluK
1.3 W/m²K
Britelite
Warranty
20.0 years
AluK
10.0 years
Britelite
Customer Rating
4.5/5
AluK
4.2/5
Britelite
AluK vs Britelite: Summary
When comparing AluK and Britelite windows, several key differences emerge. AluK, established in 1994, offers windows with an average U-Value of 1.1 W/m²K at an average price of £850. Meanwhile, Britelite windows average 1.3 W/m²K U-Value at £617.
AluK windows come with an average warranty of 20.0 years, compared to Britelite's 10.0 years. Customer satisfaction ratings show AluK leading with 4.5/5, while reliability scores give AluK a slight edge.
Both manufacturers offer various glazing options and produce windows suitable for different property types. Both are based in United Kingdom.
Detailed Comparison
Who Should Choose AluK
- Those prioritizing energy efficiency with better U-Value
- Tech-savvy homeowners wanting smart glazing features
- Those who prefer to support UK manufacturing
- Homeowners looking for classic casement window designs
Who Should Choose Britelite
- Homeowners wanting access to a wide network of approved installers
- Those looking for windows with strong performance
Popular Window Models
AluK Popular Models
| Model | Type | Material | Rating | U-Value | Price |
|---|---|---|---|---|---|
| Optio 58BD | Casement | Aluminum | A+ | 1.1 W/m²K | £700 |
| SL52 Sliding | Sliding | Aluminum | A | 1.2 W/m²K | £1000 |
Britelite Popular Models
| Model | Type | Material | Rating | U-Value | Price |
|---|---|---|---|---|---|
| Classic Casement | Casement | uPVC | A | 1.3 W/m²K | £460 |
| Sash Windows | Sliding Sash | uPVC | B | 1.4 W/m²K | £880 |
| Tilt and Turn | Tilt and Turn | uPVC | A | 1.3 W/m²K | £510 |
Approved Installers
AluK Installers
AluK Approved Fabricators
Approved Fabricators
Britelite Installers
Britelite Installers
Direct Installers
Energy Efficiency & Cost Savings
More energy-efficient windows can significantly reduce your heating bills. Based on average UK energy prices and a typical 3-bedroom house:
AluK
Average U-Value
1.1 W/m²K
Lower is better for heat retention
Energy Rating
A+
Estimated Annual Energy Savings
£327
Compared to older single-glazed windows (typical U-Value 5.8)
Britelite
Average U-Value
1.3 W/m²K
Lower is better for heat retention
Energy Rating
A
Estimated Annual Energy Savings
£295
Compared to older single-glazed windows (typical U-Value 5.8)
Frequently Asked Questions
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