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Window Guarantees

Our industry leading window guarantees include:

  • Lifetime guarantee against discolouration of the uPVC profile on white uPVC casement and tilt turn windows.
  • Lifetime guarantee against fog and condensation between the panes of the sealed units on uPVC casement, tilt turn, aluminium casement and composite casement windows.
  • 25-year guarantee against discolouration of the finish and profile on Aluminium windows.
  • 30-year guarantee against rot and fungus on timber casement, sash and dual turn windows.
  • Comprehensive 10-year guarantee on all windows.
  • 5-year guarantee on paint and stain finishes on timber casement, sash and dual turn windows.
  • Transferrable guarantees should you sell your property, you can transfer the guarantees to the new property owner, subject to a fee. For transferred lifetime guarantees, we will offer 20 years’ cover from the date of installation for the new owner too!.
We don’t simply disappear after an installation is complete. Instead, we offer comprehensive support relating to all of our products, and when you combine this ethos with the guarantees themselves, you can be confident that you’re investing in products that will improve your home for many years to come.

In fact, we are so far ahead of industry standards that we often set them.

CE Certificates

EU directives state that a CE mark is required to appear on all windows and doors sold within the European Economic Area (EEA), including the UK. All of our windows carry a CE mark, which indicates that they have undergone substantial testing to ensure they meet EU safety, health and enviornmental requirements. Below is a full list of our windows CE certificates. To view, simply click on the certificate title.

uPVC Windows

uPVC Casement Window with GrabLock, K-WMK8A+

uPVC Casement Window with GrabLock, K-WMK8A

uPVC Casement Window with GrabLock, K-WMK8C

uPVC Tilt & Turn Window, K-LMK8TT

uPVC Vertical Sliding Sash Window, K-SMK5VS

uPVC Flush French Window Elite, FF

uPVC Flush Casement Window Elite, FW

uPVC Casement Window Essentials, UC-ESSMK2


Aluminium Windows

Aluminium Casement Window, A-WMK5

Aluminium Casement Window (Conservatory Module), A-WMK5C


Timber Windows

Timber Casement Window - Stormproof, T-WMK1ST

Timber Casement Window - Flush, T-WMK1FL

Timber Sash Window - Spiral Balance, T-SMK1SB

Timber Sash Window - Cords & Weights, T-SMK1CW

Timber Dual Turn/Reversible Window, T-SMK1DT

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