Kitemark for Window Energy Rating

The Kitemark scheme for Window Energy Rating (WER) is based on the approved document L1B of the Building Regulations which comes into force on 1st October 2010. This stipulates that all replacement windows must have:

  • A Window Energy Rating (WER) of at least band C or
  • A declared U value of 1.6 W/m²K

To comply with the installation requirements for replacement windows after October fabricators must provide evidence of energy efficiency.

Our Kitemark scheme for Window Energy Rating provides a quality assured process and supporting audit trail from simulation of the WER through to installation and is therefore accepted by Building Control Bodies.

The WER Kitemark label can be used on the product down the supply chain ensuring that retailers and installers can use Kitemark Window Energy Rating certified windows.

Fabricator Scheme
Individual Fabricators can supply BSI with the appropriate simulation information, undergo a visit if necessary and then be the proud holder of a Kitemark licence.   This is a simple process that allows Fabricators to gain a WER Kitemark quickly and efficiently.  We will provide all the necessary art work to allow companies to print their own labels or for use in marketing.

How much does it cost?
The Kitemark scheme has been introduced with extremely competitive pricing and offers advantages and benefits to all applicants – whether you are new to BSI or an existing customer.

Why Kitemark?

  • Provides evidence required to comply with Building Regulations
  • Price banding makes an extremely competitive scheme
  • BSI experienced personnel undertake the assessments
  • Access to the prestigious Kitemark which has a wide consumer and specifier recognition
  • The Kitemark label can be used on the product throughout the supply chain
  • Listing on Kitemark.com ‘Find-It’ search database
  • Kitemark toolkit including company- personalised, ready-to-print energy rating label
  • Companies achieving a B rating under the BSI scheme will be eligible to apply for the Energy Saving Trust Recommended scheme
System Supplier Scheme
There are two additional options to assist systems suppliers and their fabricators achieve Kitemark Window Energy Rating Scheme.

Option 1- The full group scheme
The full group scheme will offer System Suppliers their own branded Kitemark scheme label and the ability for their fabricators to be sub-licensees of their main licence.

The System Supplier will pay an application and assessment fee and upon approval a Kitemark will be awarded. BSI will then offer a very competitive package to their Fabricators as a sub-licensee.

Benefits of option 1

  • System Suppliers will have their own bespoke labelling
  • System Suppliers can add additional windows during the year with no additional charge
  • Reduced administration for System Suppliers as the simulation information will be applied to all fabricators negating the need to supply individual fabricator simulations
  • Fabricators with different window simulations
  • Reduced application fee for Fabricators
  • Quicker certification timescales
  • Companies achieving a B rating under the BSI scheme will be eligible to apply for the Energy Savings Trust Recommended scheme
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Option 2- Evaluation of system simulations
This option allows the System Supplier to obtain approval for all their current window simulations, but will not result in a System Supplier WER Kitemark Licence. As the necessary evaluation has already been undertaken, BSI can offer an extremely competitive package to Fabricators who apply for a Kitemark licence.

Benefits of option 2

  • Reduced administration for the System Supplier as the simulation information be applied to all Fabricators negating the need to supply individual Fabricator simulations
  • Reduced administration fees for Fabricators
  • Quicker certification timescales
  • Companies achieving a B rating under the BSI scheme will be eligible to apply for the Energy Savings Trust Recommended scheme