Duraflex Windows vs Rehau

Average Price

£610

Duraflex Windows

£590

Rehau

U-Value

1.0 W/m²K

Duraflex Windows

1.1 W/m²K

Rehau

Warranty

12.0 years

Duraflex Windows

10.0 years

Rehau

Customer Rating

4.4/5

Duraflex Windows

4.6/5

Rehau

Duraflex Windows vs Rehau: Summary

When comparing Duraflex Windows and Rehau windows, several key differences emerge. Duraflex Windows, established in 1994, offers windows with an average U-Value of 1.0 W/m²K at an average price of £610. Meanwhile, Rehau windows average 1.1 W/m²K U-Value at £590.

Duraflex Windows windows come with an average warranty of 12.0 years, compared to Rehau's 10.0 years. Customer satisfaction ratings show Rehau ahead at 4.6/5, while reliability scores give Rehau a slight edge.

Both manufacturers offer various glazing options and produce windows suitable for different property types. Duraflex Windows is based in United Kingdom, while Rehau originates from Germany.

Detailed Comparison

Duraflex Windows
Rehau
Average Price
£610
£590
U-Value
1.0 W/m²K
1.1 W/m²K
Energy Rating
A+
A+
Average Warranty
12.0 years
10.0 years
Reliability Score
4.4/5
4.7/5
Customer Satisfaction
4.4/5
4.6/5
UK Market Share
4.0%
12.0%
Established
1994
1948
Country of Origin
United Kingdom
Germany
Smart Glazing Technology
High Efficiency (U-Value ≤ 1.2)
Extended Warranty Options

Who Should Choose Duraflex Windows

  • Those prioritizing energy efficiency with better U-Value
  • Those who prefer to support UK manufacturing
  • Homeowners looking for versatile window styles

Who Should Choose Rehau

  • Homeowners valuing customer satisfaction and after-sales support
  • Homeowners wanting access to a wide network of approved installers
  • Those looking for windows with exceptional reliability

Popular Window Models

Duraflex Windows Popular Models

ModelTypeMaterialRatingU-ValuePrice
ResiFront DoorEntrance DooruPVCA1.1 W/m²K£950
FlexiSeal TurnTilt & TurnuPVCA+0.9 W/m²K£580

Rehau Popular Models

ModelTypeMaterialRatingU-ValuePrice
Total70cCasementuPVCA+1.1 W/m²K£520
Rio Flush FitFlush CasementuPVCA1.2 W/m²K£570
GeneoTilt and TurnuPVCA+1.0 W/m²K£680

Approved Installers

Duraflex Windows Installers

No installer data available

Rehau Installers

Rehau Authorised Partners

4.7

Authorised Partners

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:

Duraflex Windows

Average U-Value

1.0 W/m²K

Lower is better for heat retention

Energy Rating

A+

Estimated Annual Energy Savings

£360

Compared to older single-glazed windows (typical U-Value 5.8)

Rehau

Average U-Value

1.1 W/m²K

Lower is better for heat retention

Energy Rating

A+

Estimated Annual Energy Savings

£338

Compared to older single-glazed windows (typical U-Value 5.8)

Frequently Asked Questions

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