SECURITY RATED STEEL DOORS
LPS1175 1, 2, 3 & 4
FORTIFYING SPACES: UNYIELDING SECURITY DOORS FOR EVERY NEED
APPLICATIONS:
High‑security steel hinged doors for commercial and industrial sites
In today’s environment, protecting premises against unauthorised access is essential. Our steel hinged security doors are independently tested and certified by the Loss Prevention Certification Board (LPCB) to LPS 1175 SR1, SR2, SR3 and SR4 levels, offering graded resistance against attack for retail outlets, cash rooms, schools and industrial units.
We manufacture single‑leaf and double‑leaf doorsets with outward‑opening functionality, so you can specify the configuration that suits your site without sacrificing security. Each doorset can be equipped with manual or electronic locking systems, anti‑tamper hinges, vision panels or louvre panels, and a wide range of powder‑coat finishes.
If you need security rated steel doors that meet current UK standards and integrate seamlessly with fire, flood or acoustic performance requirements, Design & Supply offers a versatile product line and bespoke solutions for both internal and external applications.
Our LPS1175-certified Steel Security Doors are precision-engineered to provide maximum protection against forced entry and unauthorised access. Each Steel Door is tested and certified by the Loss Prevention Certification Board (LPCB) to LPS1175 SR1, SR2, SR3, and SR4, ensuring the highest levels of physical security for commercial and industrial premises.
Typical applications include:
Retail Outlets:
Secure stockrooms, entrances and loading bays with Steel Security Doors designed to resist attack and deter theft.Cash Rooms & Financial Facilities:
SR4-rated Steel Doors provide robust protection for high-risk cash-handling environments and sensitive storage areas.Schools & Educational Buildings:
Protect staff, students and property with LPS1175 Steel Security Doors built to prevent unauthorised access and vandalism.Portable & Modular Buildings:
Lightweight, durable Steel Doors ideal for relocatable units and site offices that demand dependable protection.Industrial Units & Warehouses:
Enhance perimeter and internal security with heavy-duty Steel Security Doors designed for long-term performance.Utility Substations & Critical Infrastructure:
Shield vital assets and control rooms with LPS1175 SR3–SR4 Steel Doors tested to withstand sustained physical attack.
Each Steel Security Door can be customised with certified locking systems, anti-jemmy hinges, reinforced frames, and vision or louvre panels. Available in a wide range of RAL colours and finishes, our Steel Doors are manufactured in the UK, installed by accredited engineers, and backed by a full manufacturer warranty — providing complete peace of mind and proven protection for any secure environment.
REQUEST A BROCHURE:
KEY FEATURES
Our LPS1175 Steel Security Doors are fully certified by the Loss Prevention Certification Board (LPCB) to SR1, SR2, SR3, and SR4 security levels. Each door is tested to resist forced entry using a range of heavy-duty tools, providing reliable protection for commercial, industrial, and critical infrastructure applications.
Stringent LPCB Testing
Every Steel Door undergoes rigorous testing to LPS1175 standards, proving its ability to withstand prolonged and aggressive intrusion attempts. These certifications demonstrate compliance with the UK’s highest physical security benchmarks.
Customisable Locking Systems
Our Steel Security Doors can be equipped with a wide variety of locking systems, including manual and electronic options. Choose from multi-point locks, key-operated systems, and access-controlled electric locks — each designed to meet specific security requirements.
Enhanced Glazing and Panel Options
Select from multiple security glazing units that balance strength with visibility. Our tested glazing solutions allow light transfer without compromising protection.
Louvre Panels
Optional louvre panels provide airflow and ventilation while maintaining the high security expected from LPS1175-rated Steel Doors — ideal for plant rooms and utility spaces.
Removable Transoms
Available removable transoms allow for larger equipment access, offering flexibility during installation or maintenance without reducing door integrity.
Dual Functionality
Designed for both internal and external use, our Steel Security Doors are weather-resistant, corrosion-protected, and finished in durable polyester powder coatings to ensure long-term performance and visual appeal.
PRODUCT SPECIFICATIONS:
| Certification: | LPCB tested and certified for LPS 1175 levels 1, 2, 3 and 4 |
|---|---|
| Door Type: | Available as single or double doors with outward opening functionality. |
| Locking Systems: | 100s of locking systems available |
| Glazing Options: | Choice of various glazing units for customised security and visibility. |
| Louvre Panels: | Option for Louvre panels to facilitate ventilation and visibility. |
| Removable Transoms: | Ability to include removable transoms for added flexibility. |
| Suitability | Designed for both internal and external use, offering versatile security solutions. |
| Finish | Doors come with a pre-treated and primed powder-coated finish, providing protection against corrosion and environmental factors. We offer over 350 colours. |
BENEFITS
CERTIFIED PROTECTION:
LPS 1175 certification ensures a high level of security against intrusion attempts.
MULTIPLE LEVELS:
Certified across various levels to match specific security requirements.
THOROUGH TESTING:
Rigorous LPCB testing provides reassurance against unauthorised access.
LOCKING FLEXIBILITY:
Wide range of locking systems allows customisation based on security needs.
VISIBILITY OPTIONS:
Glazing units and removable transoms provide choices while maintaining security.
INTERIOR AND EXTERIOR:
Suitable for both internal and external use, accommodating diverse applications.
VENTILATION AND LIGHTING:
Louvre panels offer ventilation and natural light where needed.
FLEXIBILITY OF CONFIGURATION:
Removable transoms allow adjustments for specific entry requirements.
WHY DESIGN & SUPPLY
Trust in the strength and reliability of our Doors to shield your spaces. With an amalgamation of cutting-edge design and unwavering quality, our doors offer an investment in both security and peace of mind. Choose the best, choose protection. Choose our Doors.
FAQ'S
Absolutely, we offer a broad selection of security products that meet Secured by Design requirements. Specifically, our LPS1175 range aligns with these standards.
Yes, we provide comprehensive support from initial Project Estimation all the way through to Installation.
Yes, we have the capability to integrate access control features into our fire-rated doors, spanning both the steel door and glazed door collections.
Yes, we offer delivery services throughout the entire UK.
Yes, we provide installation services across all locations within the UK.
We offer varying warranties depending on the type of door and product. Please check the specific product’s warranty for more details or contact our support team for further information.
Yes, we offer custom door solutions to meet specific project requirements. Our team can work with you to design and manufacture doors tailored to your needs.
Absolutely, we can provide detailed technical specifications for all our products. Please contact our technical support team, and they will assist you with the necessary information.
Our doors are made from high-quality galvanized steel, with the option of upgrading to stainless-steel, ensuring longevity and security. Specific material details are available for each product.
READY TO ELEVATE YOUR SECURITY?
CONTACT US TODAY!
For unmatched protection and peace of mind, our Steel Hinged Security Rated Doors are the solution you’ve been searching for. Whether you need enhanced security for retail spaces, schools, or industrial units, our certified doors have you covered. Choose from a range of locking systems, glazing options, and configurations to tailor your security needs.
- dsl@designandsupply.co.uk
- 01685 350 114