At Sash UK we don’t rely on other companies accreditations. We invest heavily in our own to give customers and clients peace of mind.
As one of the largest manufacturers of PVC-U windows and doors, our products are manufactured in accordance with the necessary standards and accreditations.

We continue to be at the forefront of the industry. Each stage of the process is overseen by a dedicated quality control team to ensure product consistency.

Enhanced Security – Window

Enhanced Security - Window BS 7412 / PAS24 Kitemark License: KM 39676

Design, Fabrication & Performance

Design, Fabrication & Performance BS 7412 Kitemark Licence: KM 20717

Enhanced Security – Composite Door

Enhanced Security – Composite Door BS 8529 / PAS24 Kitemark Licence: KM 582286

Enhanced Door Security – PVCU

Enhanced Door Security - PVCU BS 7412 / PAS24 Kitemark Licence: KM 594430

Environmental Management System

Environmental Management System ISO 14001: 2004 Certificate Number: EMS 581784

Quality Management System

Quality Management System ISO 9001: 2008 Certificate Number: FM 20716

British Fenestration Rating Council

Recognised within the building regulations throughout the UK, Sash UK are proud to hold the BFRC accreditation.


FENSA registered Number: 22221

Secured by Design

Sash UK are able to offer a PAS 24 Secured by design across our full window and door range.  a registered Secured by Design Company. Secured by Design works with the industry ...


Sash UK are an approved member of the Contractors Health and Safety Assessment Scheme (CHAS). having demonstrated compliance with and sound management of current basic health ...


Registration Number: 26232 Sash UK are registered on the national online database, which is the UK's largest register for pre-qualified contractors and consultants. ...

Network VEKA

We were a founding member of Network VEKA. Network VEKA is a unique organisation of top fabricators and installers who have joined together to raise standards in the industry ...

Contact image

Request a call back

Would you like to speak to one of our experts?
Just submit your details and we’ll be in touch shortly.