Everest vs Rehau

Average Price

£750

Everest

£590

Rehau

U-Value

1.2 W/m²K

Everest

1.1 W/m²K

Rehau

Warranty

20.0 years

Everest

10.0 years

Rehau

Customer Rating

4.6/5

Everest

4.6/5

Rehau

Everest vs Rehau: Summary

When comparing Everest and Rehau windows, several key differences emerge. Everest, established in 1965, offers windows with an average U-Value of 1.2 W/m²K at an average price of £750. Meanwhile, Rehau windows average 1.1 W/m²K U-Value at £590.

Everest windows come with an average warranty of 20.0 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 smart glazing technology and produce windows suitable for different property types. Everest is based in United Kingdom, while Rehau originates from Germany.

Detailed Comparison

Everest
Rehau
Average Price
£750
£590
U-Value
1.2 W/m²K
1.1 W/m²K
Energy Rating
A
A+
Average Warranty
20.0 years
10.0 years
Reliability Score
4.7/5
4.7/5
Customer Satisfaction
4.6/5
4.6/5
UK Market Share
15.3%
12.0%
Established
1965
1948
Country of Origin
United Kingdom
Germany
Smart Glazing Technology
High Efficiency (U-Value ≤ 1.2)
Extended Warranty Options

Who Should Choose Everest

  • Tech-savvy homeowners wanting smart glazing features
  • Those who prefer to support UK manufacturing
  • Homeowners looking for classic casement window designs

Who Should Choose Rehau

  • Homeowners wanting access to a wide network of approved installers
  • Those looking for windows with exceptional reliability

Popular Window Models

Everest Popular Models

ModelTypeMaterialRatingU-ValuePrice
EcoRange CasementCasementuPVCA+1.2 W/m²K£550
Heritage SashSliding SashTimberA1.4 W/m²K£1,100
Platinum Tilt and TurnTilt and TurnuPVCA+1.1 W/m²K£650

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

Everest Installers

Premium Window Solutions

4.8

Premium Partner

Everest Direct

4.7

Official Installer

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:

Everest

Average U-Value

1.2 W/m²K

Lower is better for heat retention

Energy Rating

A

Estimated Annual Energy Savings

£318

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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