Security Doors - LPS1175 Security Level 3

LPS1175 SR3 Certified Security

Tested to Security Rating Level 3 for resistance against sustained attacks

Secured by Design Approved

Police-backed accreditation for high-security building applications

Reinforced Door Construction

Double hinges and anti-leverage strip for enhanced strength and protection

Heavy-Duty Steel Build Quality

Engineered for durability in high-risk commercial and industrial environments

Single and Double Door Options

Suitable for a range of access requirements and larger openings

Made to Measure Design

Manufactured to your exact dimensions for a precise and secure fit

Advanced Hardware Options

Compatible with Mico Tindall multipoint locking and hardware systems

Fire Exit Hardware Available

Options for push pads and panic hardware for compliant emergency escape

Registered Key Systems

Prevents unauthorised key duplication for enhanced security control

Optional Louvre Panels

Provides ventilation where required (subject to hardware compatibility)

Approved Substrate Installation

Designed for masonry or steel structures with M10 minimum fixings

Low Maintenance & Long Lasting

Robust construction ensures long service life with minimal upkeep

Our LPS1175 SR3 Steel Security Doors are engineered for high-security applications while offering a range of configuration and hardware options to meet project-specific requirements. These doors can be tailored to balance certified protection with operational functionality.

Door Configuration

Available as single or double doors, allowing flexibility for different opening sizes and access requirements. Double doors include heavy-duty tower bolts on the passive leaf for added security.

Security Certification (LPS1175 SR3)

Certified to LPS1175 Security Rating Level 3 (SR3) and Secured by Design approved, providing resistance against sustained and more aggressive forced entry attempts.

Sizes & Made-to-Measure Options

Each door is manufactured to your exact dimensions, ensuring a precise fit and maintaining certified performance when installed correctly.

Reinforced Construction Features

Enhanced security design includes:

• Double hinges for increased strength
• Anti-leverage cover strip on the closing edge to resist forced entry

Locking & Hardware Options

A wide range of high-security hardware can be specified, including:

• Hooply Cefiro multipoint locking system
• Mico Tindall hardware options, including:
• AD1 push pad
• AD2 full push pad
• AD3 lever handle
• MD1 push pad
• MD2 full push pad
• MD3 lever handle

High-security cylinders with registered key systems to prevent unauthorised duplication

Fire Exit Hardware Options

Doors can be configured with push pads or panic hardware for safe and compliant emergency egress, depending on application requirements.

Louvre Panel Options

Optional louvre panels are available to provide ventilation, sized between:

• 305–800mm wide
• 305–1025mm high

(Note: Louvre panels are not available with certain panic hardware configurations)

Colour & Finish Options

Doors are supplied galvanised as standard or can be powder coated in any RAL or BS colour to suit building aesthetics or branding.

Substrate & Installation Requirements

Designed for installation into approved substrates, including:

• Brickwork or concrete blockwork
• Structural steelwork

With minimum M10 fixings required to maintain certification.

Internal or External Application

Suitable for both internal and external use, with specifications adapted to suit environmental exposure and operational demands.

These design and customisation options ensure your SR3 steel security doors provide a high level of certified protection, durability, and flexibility for demanding environments.

• Door Construction: Single or double leaf steel security door sets
• Material: Heavy-duty galvanised steel construction
• Security Rating: Certified to LPS1175 Security Rating Level 3 (SR3)
• Certification: LPCB approved (Issue 7 / Issue 8 depending on spec)
• Accreditation: Secured by Design approved
• Door Operation: Hinged door (inward or outward opening as required)
• Frame: Heavy-duty steel frame suitable for approved substrates

Reinforcement Features:

• Double hinges for increased strength
• Anti-leverage cover strip to closing edge

Substrate Requirements:

• Suitable for brickwork, concrete blockwork, or structural steel
• Minimum fixing requirement: M10
• Finish: Galvanised as standard or powder coated to any RAL / BS colour
• Hinges: Heavy-duty, security-rated steel hinges (double hinge configuration)

Locking Systems:

• Hooply Cefiro multipoint locking system
• Mico Tindall hardware options (AD & MD series)
• High-security cylinders with registered key systems

Fire Exit Hardware:

• Push pads and panic hardware options available (subject to specification)

Additional Hardware:

• Heavy-duty tower bolts fitted to passive leaf on double doors
• Door closers, handles, and security accessories available

Ventilation:

• Optional louvre panels
• Sizes from 305–800mm wide and 305–1025mm high
• Not compatible with certain panic hardware

• Seals: Perimeter seals for operational performance
• Threshold Options: Standard, low threshold, or rebated options available
• Installation: Suitable for internal and external applications
• Compliance: Meets LPS1175 and Secured by Design requirements when installed correctly
• Usage: Designed for high-risk commercial, industrial, and infrastructure applications
• Durability: Suitable for high-frequency use in demanding environments
• Maintenance: Low maintenance with long service life

Our LPS1175 SR3 Steel Security Doors are manufactured to order, with a typical lead time of 4–6 weeks from order confirmation and final specification. This ensures each door is built to meet the required security certification, dimensions, and project-specific requirements.

Please note that additional features and configurations, such as bespoke sizes, louvre panels, or specialist hardware systems, may influence the overall lead time. We will always confirm accurate timescales at quotation stage to support your project planning.

We offer a professional supply and installation service, ensuring doors are installed into approved substrates and in accordance with LPS1175 and Secured by Design requirements. For supply-only orders, we provide detailed installation guidance to ensure the door achieves its certified performance and compliance.

The cost of LPS1175 SR3 Steel Security Doors reflects their higher level of certified protection, reinforced construction, and advanced hardware options. These doors are typically used in higher-risk environments, and pricing will vary depending on specification, size, and configuration.

Indicative Pricing

Standard SR3 Steel Security Door (Single Door)

• Supply Only: £1,200 – £2,000
• Supply & Install: £2,000 – £3,200

Double SR3 Steel Security Doors

• Supply Only: £2,200 – £3,800
• Supply & Install: £3,500 – £5,500

SR3 Doors with Advanced Hardware (Mico / Hooply Systems)

• Supply Only: £1,500 – £2,800
• Supply & Install: £2,500 – £4,200

SR3 Doors with Fire Exit Hardware

• Supply Only: £1,400 – £2,400
• Supply & Install: £2,300 – £3,800

SR3 Doors with Louvre Panels

• Supply Only: £1,500 – £2,800
• Supply & Install: £2,500 – £4,500

Bespoke / Large / High Specification Doors

• Supply Only: £2,000+
• Supply & Install: £3,500+

Factors Affecting Price

Several factors will influence the final cost:

• Security Rating: SR3 certification and reinforced construction
• Size & Configuration: Larger or double doors increase cost
• Hardware Specification: Mico Tindall, Hooply locking systems, and access options
• Fire Exit Hardware: Push pads or panic hardware requirements
• Louvre Panels: Size and configuration (subject to hardware compatibility)
• Finish: Powder coating or specialist coatings
• Installation Requirements: Substrate preparation and compliance with fixing standards

Additional Costs to Consider

• Delivery depending on location
• Removal of existing doors
• Structural or builder’s works
• Electrical works if integrating access control systems

Get an Accurate Quote

Every project is unique, so we recommend contacting us for a tailored quotation. Our team can advise on the correct specification to balance security, compliance, and budget, ensuring you get the most effective solution for your application.