Accreditation

Here at Dempsey Dyer we pride ourselves in the quality of our products. Over the years we have achieved a range of industry leading accreditations to show testament to the quality of our Window, Door and Conservatory products in both Timber and PVCu.

You can also download our most relevant certificates by visiting the certificates area.

Below are the details regarding our current accreditations.

Accreditation Mark (Click to enlarge)	Description of Accreditation
BMTrada Enhanced Security Windows (BS7950) Accreditation has been achieved by Dempsey Dyer Ltd.	Enhanced Security Windows BS7950 Dempsey Dyer have met the requirements of the enhanced security windows BS7950 accreditation and are licenced by BMTrada.
BMTrada BS644 Timber Windows Accreditation has been achieved by Dempsey Dyer Ltd.	BS644 Timber Windows Dempsey Dyer have met the requirements of the BS644 Timber Windows accreditation and are licenced by BMTrada.
BMTrada BFRC Accreditation has been achieved by Dempsey Dyer Ltd.	BmTrada BFRC Rating Scheme Our outward opening PVCu casement windows in both 2800 and 3000 series Deceuninck profile, along with our outward opening Timber casement windows (Dempsey II Stormproof) have met the requirements for an "A" rating with regards to the BFRC rating scheme. For additional information please visit our energy efficiency page.
FENSA Accreditation has been achieved by Dempsey Dyer Ltd.	FENSA Registered Company Dempsey Dyer Ltd. is a FENSA registered company, the industry gold standard for replacement windows and doors.
Pas 23 & Pas 24 Accreditation has been achieved by Dempsey Dyer Ltd.	PAS 23 & PAS 24 Our ranges of Composite Doors, Timber Residential Doors and PVCu Residential & French Doors have all achieved a PAS 23 & PAS 24 rating.
BS7412 Accreditation has been achieved by Dempsey Dyer Ltd.	BS 7412 We hold the BS 7412 accreditation in respect of our windows made from PVC-U extruded hollow profiles.
BS7950 Accreditation has been achieved by Dempsey Dyer Ltd.	BS 7950 First granted in November 2001 we have retained this accreditation due to the enhanced security performance of our windows for domestic applications.
BSI Registered Company Accreditation has been achieved by Dempsey Dyer Ltd.	BSI Registered Company We operate a Quality Management System which complies with the requirements of BS EN ISO 9001:2008 for the below scope: The manufacture of PVC-u windows and doors. The manufacture of Timber windows, doors and conservatories.
SBD - Official Police Security Initiative Accreditation has been achieved by Dempsey Dyer Ltd.	Secured By Design - Official Police Security Initiative The following range of Dempsey Dyer products have met the requirements of the Secured By Design Official Police Security Initiative: Dempsey II Stormproof Timber Casement Window. Timb-A-Tilt Vertical Slider On Spiral Balances Windows. Timber Residential Doorsets. PVCu Open Out Casement Windows. PVCu Residential and French Doorsets. Composite Doorsets.
Energy Saving Recommended Accreditation has been achieved by Dempsey Dyer on the listed products.	Energy Saving Recommended We manufacture a range of Energy Saving Recommended products. This accreditation is set by the Energy Saving Trust and highlights the energy saving performance of the below products manufactured by Dempsey Dyer: PVC U 3000 Series Zendow A PVC U 2800 Series Decorative A Dempsey II Stormproof A
Constructionline Accreditation has been achieved by Dempsey Dyer Ltd.	Constructionline Dempsey Dyer Ltd. has met pre-qualification requirements appropriate to public and private sector procurement.
CHAS Accreditation has been achieved by Dempsey Dyer Ltd.	CHAS Dempsey Dyer Ltd. has met acceptable standards regarding the Contractor Health and Safety assessment scheme (CHAS).