DP Windows Showcase Commitment to Quality and Security with Accredited Range of Window and Doorsets
DP Windows in Cardiff are the latest company to join Secured by Design, having met rigorous police-preferred testing standards with their range of accredited window and doorsets.
Established nearly 20 years ago, DP Windows brings over four decades of industry expertise to the design, manufacture, supply and installation of high-quality windows, doors and conservatories across South Wales. Their client base includes residential customers and commercial properties, and the company are now preparing to expand into the new build market.

The Welsh company joined Secured by Design in July, first with their range of Profine casement windows, demonstrating their commitment to manufacturing products that meet high security standards. Only a few months later, they have now strengthened that commitment further with the launch of their newly accredited doorsets which have successfully met the tough PAS24 testing standard.
DP Window’s range of Profine and Greenline residential door systems along with their list of accredited windows can be found here on their dedicated member’s page.
Certification and compliance are important to the company who alongside their Secured by Design membership are also FENSA Approved Installers, and hold memberships with Certass and Insured Window Guarantees Ltd.
Hazel Goss, SBD Development Officer, said, “It is great news that DP Windows have now achieved SBD on their Doorsets having gained PAS 24:2022 Certification. The company now has an extensive range of certified doors and windows, and I’m looking forward to working with them as they continue to develop and grow.”
Kevin Francis, Production Manager DP Windows said, "As a small manufacturing company based in Cardiff, DP Windows is extremely proud to have achieved PAS24 certification for both our window and door products. This significant accomplishment not only opens up exciting opportunities for securing commercial contracts but also provides our domestic, trade and supply only customers with the peace of mind that our products have successfully passed the most stringent tests to achieve Secured by Design (SBD) accreditation."
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SBD is owned by the UK Police Service with the specific aim of reducing crime and increasing safety for businesses and individuals.
SBD seeks to improve the physical security of buildings and the surrounding area using products such as doors, windows, locks and walling systems along with fencing systems that meet the SBD Police Preferred Specification security requirements.
SBD have many partner organisations, ranging from the Ministry of Housing, Communities and Local Government through to local authorities, housing associations, developers and manufacturers and work closely with standards and certification bodies.
SBD is the only way for companies to obtain police recognition for security-related products in the UK, through the Police Preferred Specification - a product-based accreditation scheme developed 25 years ago, which provides a recognised standard for all security products that effectively deter and reduce crime. SBD work with manufacturers and standards authorities to ensure that security standards are current and updated to keep pace with emerging crime trends.
Learn more about Secured by Design and our member companies at: https://www.securedbydesign.com/