The Complete Guide to Commercial Security Shutters in the UK (2026)

Security shutters are one of the most effective physical deterrents available to UK businesses. They protect shop windows, entrance doors, and service openings against break-ins, ram-raids, vandalism, and weather damage. Yet choosing the right shutter is not straightforward — there are multiple types, materials, security ratings, and operating mechanisms to consider, and the wrong choice can leave you under-protected or paying more than you need to.

This guide from the Sigma Shop Fronts installation team covers everything a UK business owner needs to know about commercial security shutters in 2026 — from the different shutter types to the LPS 1175 rating system, insurance requirements, fire-rated options, and realistic costs.

Types of Commercial Security Shutter

Not all shutters serve the same purpose. The right type depends on what you are protecting, the level of threat you face, and whether visibility or ventilation is a factor.

Solid Steel Roller Shutters

Solid steel roller shutters are the workhorse of commercial security. The curtain is formed from interlocking galvanised steel slats — typically 75 mm or 77 mm deep — that roll up into a barrel housing above the opening. They provide a complete physical barrier with no visibility through the curtain when closed. This makes them ideal for premises where full concealment of stock is desirable or where the threat level is high enough to justify maximum physical resistance.

Solid shutters are available in a wide range of security ratings (see the LPS 1175 section below) and can be manually or electrically operated. They are the most common type specified by insurers for retail premises, warehouses, and industrial units.

Perforated and Punched Roller Shutters

Perforated shutters use steel or aluminium slats with small punched holes or a micro-perforated pattern. When the shutter is closed, passers-by can still see the window display and interior lighting, which helps maintain visual merchandising after hours and can make the streetscape feel less hostile at night. Many local authorities actively prefer or require perforated shutters over solid ones in town centre locations for exactly this reason.

The trade-off is security: perforated slats are inherently weaker than solid equivalents. They deter opportunistic theft and vandalism but offer less resistance to sustained forced entry. For most standard retail premises, a well-specified perforated shutter strikes a sensible balance between security and aesthetics.

Tube and Link (Brick-Bond) Grilles

Tube and link grilles consist of horizontal steel tubes linked together in a brick-bond pattern. They offer maximum visibility and airflow while still providing a physical barrier against entry. They are commonly used in shopping centres, airports, and covered retail environments where full weatherproofing is not required.

Security is lower than solid or perforated shutters, but tube and link grilles are effective at preventing smash-and-grab attacks and unauthorised access during closed hours. They are usually electrically operated because of their weight and are often ceiling-mounted in internal retail environments.

Aluminium Roller Shutters

Aluminium shutters are lighter than steel, quieter in operation, and naturally resistant to corrosion. They are an excellent choice for premises where the shutter is operated frequently (cafes, takeaways, service counters) or where weight restrictions apply. Insulated aluminium profiles with foam-filled slats also offer useful thermal performance for temperature-controlled environments. However, aluminium is not as strong as steel, so aluminium shutters are generally not suitable where a high security rating is required. For our full range, see our roller shutter installation service.

Understanding LPS 1175 Security Ratings

LPS 1175 is the UK’s leading standard for rating the physical security of building components, including shutters, doors, and windows. It is published by the Loss Prevention Certification Board (LPCB), part of the Building Research Establishment (BRE). Products are independently tested against a defined set of attack tools and techniques, and awarded a Security Rating (SR) based on the level of attack they withstand.

The SR Levels Explained

• SR1 (Security Rating 1): Resists attack by opportunistic criminals using bodily force and basic tools such as screwdrivers, pliers, and small crowbars. Suitable for standard retail, offices, and light commercial premises where the insurer does not specify a higher rating.
• SR2 (Security Rating 2): Resists a more determined attack using a wider range of tools, including larger crowbars, bolt croppers, and hand-held battery tools. Recommended for premises with higher-value stock or in areas with elevated crime rates. Many insurers require SR2 as a minimum for jewellers, mobile phone shops, and off-licences.
• SR3 (Security Rating 3): Resists sustained attack with mains-powered tools such as disc cutters, reciprocating saws, and drilling equipment. Specified for high-value commercial premises, pharmaceutical stores, and secure storage facilities.
• SR4 (Security Rating 4) and above: Provides resistance against experienced, well-equipped attackers using a comprehensive tool kit over an extended period. Typically specified for banks, currency exchanges, data centres, and government buildings.

Insurance Implications

Your commercial insurance policy almost certainly includes minimum physical security requirements for your premises. Failing to meet these requirements can invalidate your cover entirely — meaning a break-in claim could be rejected even if you have been paying premiums faithfully.

The most common insurance requirement for shutters is an LPS 1175 rating at a specified SR level. Before ordering any shutter, obtain a copy of your policy’s security specification (or ask your broker to summarise it) and check what rating is required. Installing an LPS 1175-certified shutter that meets or exceeds your insurer’s minimum can also reduce your premium — ask your broker about this.

It is equally important to ensure the shutter is installed correctly and maintained in accordance with the manufacturer’s instructions. An LPS 1175-rated shutter that has been poorly fitted or allowed to deteriorate may not perform to its rated level, which could give the insurer grounds to dispute a claim. For complementary security measures, consider our security door installations.

Electric vs Manual Operation

Manual shutters are operated by hand using a locking handle or chain hoist. They have no motor, no electrical connection, and no moving parts beyond the curtain and barrel — which makes them simple, reliable, and inexpensive. For a small, lightweight shutter that is opened and closed once a day, manual operation is perfectly adequate.

Electric shutters use a tubular motor housed inside the barrel to raise and lower the curtain. They are operated by a key switch, remote control, timer, or connection to a building management system. Electric operation is strongly recommended for shutters wider than three metres, shutters that are operated multiple times per day, and any location where the person operating the shutter may have difficulty with the physical effort of manual operation.

All electrically operated shutters should include a manual override mechanism — typically a hand crank or chain — so the shutter can be opened in the event of a power failure or motor fault. This is a safety requirement as well as a practical one.

Fire-Rated Shutters

Fire-rated shutters are a specialist category designed to contain the spread of fire and smoke within a building. They are typically required in internal openings — between units in a shopping centre, at service counter hatches, or in warehouse compartmentation — rather than on external shop windows.

Fire shutters are rated in the same way as fire doors: by the number of minutes of fire resistance they provide. The most common ratings are EI 60 (60 minutes of integrity and insulation) and EI 120 (120 minutes). They are connected to the building’s fire alarm system and close automatically when triggered. Fire-rated shutters must be installed by competent contractors and inspected regularly to maintain their certification — this is a legal requirement under the Regulatory Reform (Fire Safety) Order 2005.

Realistic Costs in 2026

Shutter costs depend on the opening size, material, security rating, finish, and operation method. The following are indicative installed prices for a standard single retail unit with an opening of approximately 4 m wide by 3 m high, including removal of any existing shutter:

• Manual solid steel roller shutter (unrated): £1,200–£2,000
• Electric solid steel roller shutter (unrated): £1,800–£3,000
• Electric aluminium roller shutter: £2,000–£3,500
• Electric perforated steel shutter: £2,200–£3,800
• LPS 1175 SR1-rated electric shutter: £2,800–£4,500
• LPS 1175 SR2-rated electric shutter: £3,500–£6,000
• Fire-rated shutter (EI 60): £3,000–£5,500

These are guide prices only. For an accurate quotation based on your specific requirements, see our cost guide or contact us for a free site survey.

Why Choose Sigma Shop Fronts for Security Shutters

At Sigma Shop Fronts, we supply and install every type of commercial security shutter covered in this guide — from basic manual roller shutters to LPS 1175-rated, electrically operated, insurance-compliant systems. Our installation teams are CSCS-carded, our company is registered at Companies House (No. 16794487), and every installation comes with a written workmanship guarantee. We operate across England, Scotland, and Wales with rapid lead times. Call us on 07414 779594 or request a free quote online.