Windows and doors testing services

We've been testing windows and doors for over 40 years, and we're committed to delivering robust test evidence to meet your business or legal requirements.

Our window and door tests include:

  • Weather tightness
  • Impact strength
  • Durability
  • Security (where applicable)
  • Installation
  • Temperature cycling heat retention and radiation
  • Operation and strength performance testing
  • Thief resistant locks
  • Lock cylinders

Transfer your certification to BSI

Time for a change? Whether you've missed a transition deadline or looking to change your Certification Body, BSI can help you with a smooth and straight-forward transfer.

As the UK leader when it comes to certification, we provide unparalleled support for our clients. With a wealth of resources, tools and expert advice, we can get you where you need to be.

Make the switch >