Security Grilles Buyers Guide
Security grilles are one of the most effective and flexible ways to protect windows, doors, and internal openings without completely blocking visibility or access.
Whether you are securing a shopfront, office, warehouse, or residential property, choosing the right grille depends on your security level, usage, and layout.
If you are unsure what you need, it is always best to assess:
- The level of risk (theft, vandalism, forced entry)Whether the opening is used regularly
- Any fire escape or health and safety requirements
Security grilles are not just about protection. They need to balance security, usability, and appearance to suit your environment.
Key Benefits:
- Security grilles are physical barriers designed to prevent unauthorised access through doors and windows
- Available in fixed, retractable, removable, and mesh designs
- Suitable for retail, commercial, industrial, and residential useOffer a balance of
- security, visibility, and ventilation
Can be customised to match your space and security requirements - Higher security models are available with insurance-approved ratings (LPS1175)
Buyers Guide Sections
Buyers Guides for Security Grilles
1. What are Security Grilles?
1. What are Security Grilles?
Security grilles are metal barrier systems designed to protect doors, windows, and internal openings from unauthorised access while maintaining visibility and airflow.
Unlike solid shutters, security grilles allow you to:
- Secure an opening without blocking light
- Maintain visibility into a premises
- Provide a strong visual deterrent
They are commonly used in retail, commercial, and residential environments where both security and appearance are important.
2. Types of Security Grilles Available
2. Types of Security Grilles Available
There are several types of security grilles available depending on the application.
Fixed Security Bars
- Permanently installed
- Simple and cost-effective
- Suitable for windows and low-access areas
Retractable Security Grilles
- Open and close as required
- Fold neatly to the side when not in use
- Ideal for doors and shopfronts
Removable Security Bars
- Can be removed when access is needed
- Flexible solution for residential or occasional use
Security Mesh Grilles
- Mesh panels for external protection
- Provide ventilation and visibility
- Often used for vulnerable areas
Insurance Approved Grilles
- Tested to recognised standards such as LPS1175
- Suitable for higher-risk environments
- May be required by insurers
3. How to Choose the Right Security Grilles
3. How to Choose the Right Security Grilles
Choosing the correct grille depends on how the opening is used.
Key factors to consider:
- Level of Security
- Standard protection or insurance-approved
- Location
- Internal or external installation
- Frequency of Use
- Fixed for permanent security
Retractable for regular access
Visibility Requirements
- Important for retail displays or public areas
- Opening Size
- Larger openings may require stronger or reinforced systems
Matching the grille to the application ensures the best balance of security and usability.
4. Operation Options
4. Operation Options
Security grilles are typically manually operated, but different mechanisms are available.
Manual Operation
Retractable Grilles
- Slide and fold to the side
- Easy to operate
- Locking Options
- Key locking systems
- Multi-point locking for increased security
Optional Features
- Bottom tracks or trackless systems
- Hinged or sliding configurations
Most security grilles are designed for simple, reliable manual use with minimal maintenance.
5. Materials & Build Quality
5. Materials & Build Quality
Security grilles are typically manufactured from steel or aluminium.
Steel Grilles
- Strong and durable
- Suitable for higher security applications
Aluminium Grilles
- Lightweight and corrosion resistant
- Ideal for internal or lower-risk environments
Build Quality Considerations:
- Bar thickness and spacing
- Locking system strength
- Fixing method and installation quality
Higher quality systems provide better long-term performance and security.
6. Design and Customisation
6. Design and Customisation
Security grilles can be customised to suit both functional and aesthetic requirements.
Design Options:
- Open lattice designs
- Mesh infill panels
- Bar spacing variations
Colour and Finish:
- Powder coating in a wide range of colours
- Match branding or interior design
Configuration Options:
- Single or double folding systems
- Side stacking or bi-parting
- Track or trackless systems
Customisation ensures the grille works with your space without compromising appearance.
7. Installation Options
7. Installation Options
Security grilles can be installed internally or externally depending on the application.
Installation Types:
- Face fix onto wall or frame
- Reveal fix within opening
Key Considerations:
- Strength of fixing substrate
- Access for operation
- Space for stacking when open
Professional installation ensures correct alignment and long-term reliability.
8. Maintenance and Life Span
8. Maintenance and Life Span
Security grilles are low maintenance but should be checked regularly.
Typical Maintenance:
- Cleaning tracks and moving parts
- Checking locks and fixings
- Ensuring smooth operation
Life Span Factors:
- Frequency of use
- Environment (internal vs external)
- Quality of materials and installation
Well-maintained grilles can provide many years of reliable service.
9. Price Guide
9. Price Guide
The cost of security grilles depends on:
- Type of grille (fixed, retractable, mesh)
- Size of the opening
- Security rating
Material and finish - Installation requirements
General Pricing Guidance:
- Fixed bars are the most cost-effective
- Retractable grilles are mid-range
- Insurance-approved systems are higher cost
Higher security and customisation will increase the price.
(Indicative UK pricing – excludes VAT unless stated)
The cost of security grilles depends on type (fixed, removable, mesh, retractable), security level (standard or LPS 1175 rated), size of opening, and installation conditions.
Fixed Window Bars (Standard)
Suitable for residential and low–medium risk applications.
- Supply only: From £180 – £350 per window
- Supplied and installed: From £350 – £650 per window
Typical small ground-floor window.
Removable Window Bars
Internal removable systems for added flexibility.
- Supply only: From £250 – £450 per window
- Supplied and installed: From £450 – £800 per window
Pricing depends on release mechanism and locking system.
LPS 1175 Security Rated Window Bars (Up to Level 4)
Independently tested high-security systems.
- Supply only: From £600 – £1,200 per window
- Supplied and installed: From £900 – £1,800 per window
Cost varies depending on security level (Level 1–4) and opening size.
Security Mesh Grilles
Standard Mesh Grilles
- Supply only: From £220 – £400 per window
- Supplied and installed: From £400 – £750 per window
LPS 1175 Rated Mesh (Up to Level 4)
- Supply only: From £750 – £1,500 per opening
- Supplied and installed: From £1,100 – £2,200+ per opening
Retractable Security Grilles (Up to LPS 1175 Level 3)
Priced by metre width:
Standard retractable installed: From £850 – £1,200 per metre width
LPS Level 1–3 installed: From £1,200 – £3,000 per metre width
A typical 2m wide shopfront grille:Installed from £1,800 – £4,500+
10. Common Mistakes to Avoid
10. Common Mistakes to Avoid
- Choosing fixed grilles where regular access is needed
- Installing grilles on escape routes without considering safety
- Underestimating the required level of securityNot allowing space for
- retractable grille stacking
- Focusing only on cost instead of usability
Selecting the correct grille ensures both security and practicality.
FAQ's for Security Grilles
1. What are security grilles used for?
1. What are security grilles used for?
They are used to prevent unauthorised access through windows and doors while maintaining visibility.
2. Are retractable security grilles secure?
2. Are retractable security grilles secure?
Yes. High-quality retractable grilles provide strong protection and are widely used in commercial settings.
3. Can security grilles be installed internally?
3. Can security grilles be installed internally?
Yes. Internal installation is common and helps maintain the building’s external appearance.
4. Do security grilles require maintenance?
4. Do security grilles require maintenance?
Only minimal maintenance is required, such as regular cleaning and occasional checks.
5. Are security grilles custom made?
5. Are security grilles custom made?
Yes. Most systems are made to measure to ensure a perfect fit and correct operation.
Bestselling Products - Security Grilles
Window Security Bars
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Mesh Window Guards
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Retractable Security Grille - High Security
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Retractable Security Grille - LPS1175 Level 1
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Insurance Approved - Level 3 Retractable Security Grille
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Insurance Approved - Level 2 Retractable Security Grille
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Need to Talk About Your Security Grille?
Choosing the right security grille is critical for safety, compliance, and long-term performance. If you are unsure what specification you need, our team can guide you through the process and ensure you get the correct solution for your building.
Speak to Our Team
Our experienced team can provide practical advice based on your application, building type, and security risk requirements. Whether you are at early planning stage or ready to proceed, we can help you make the right decision.
Send Us Your Drawings
If you have drawings, plans, or opening sizes, send them over and we will review them for you. We can recommend the correct security grille specification, highlight any potential issues, and ensure everything aligns with compliance requirements.
Request a Quote
We can provide a clear, no-obligation quote based on your exact requirements. Where needed, we can also arrange a site survey to ensure accurate pricing and specification.
