AluK vs Masterframe Windows

Average Price

£850

AluK

£1,200

Masterframe Windows

U-Value

1.1 W/m²K

AluK

1.1 W/m²K

Masterframe Windows

Warranty

20.0 years

AluK

12.0 years

Masterframe Windows

Customer Rating

4.5/5

AluK

4.6/5

Masterframe Windows

AluK vs Masterframe Windows: Summary

When comparing AluK and Masterframe Windows 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, Masterframe Windows windows average 1.1 W/m²K U-Value at £1,200.

AluK windows come with an average warranty of 20.0 years, compared to Masterframe Windows's 12.0 years. Customer satisfaction ratings show Masterframe Windows ahead at 4.6/5, while reliability scores give Masterframe Windows a slight edge.

Both manufacturers offer smart glazing technology and produce windows suitable for different property types. Both are based in United Kingdom.

Detailed Comparison

AluK
Masterframe Windows
Average Price
£850
£1,200
U-Value
1.1 W/m²K
1.1 W/m²K
Energy Rating
A+
A+
Average Warranty
20.0 years
12.0 years
Reliability Score
4.6/5
4.7/5
Customer Satisfaction
4.5/5
4.6/5
UK Market Share
9.0%
5.0%
Established
1994
1988
Country of Origin
United Kingdom
United Kingdom
Smart Glazing Technology
High Efficiency (U-Value ≤ 1.2)
Extended Warranty Options

Who Should Choose AluK

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

Who Should Choose Masterframe Windows

  • 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

AluK Popular Models

ModelTypeMaterialRatingU-ValuePrice
Optio 58BDCasementAluminumA+1.1 W/m²K£700
SL52 SlidingSlidingAluminumA1.2 W/m²K£1000

Masterframe Windows Popular Models

ModelTypeMaterialRatingU-ValuePrice
Vintage SashSliding SashuPVCA1.2 W/m²K£1100
Heritage SashSliding SashuPVCA+1.1 W/m²K£1200
Bygone CollectionSliding SashuPVCA+1.0 W/m²K£1300

Approved Installers

AluK Installers

AluK Approved Fabricators

4.6

Approved Fabricators

Masterframe Windows Installers

Masterframe Approved Installers

4.7

Approved 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)

Masterframe Windows

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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