Business Details
Emergency
services
Trusted Security Solutions in London
Costello Security have been delivering premium security solutions for over 35 years, establishing ourselves as a trusted family-owned business in the industry. Our expertise spans the design, manufacture, and installation of high-quality security doors, gates, shutters, and grilles for both commercial and residential clients across London and the South East. We prioritise rapid response times, offering installations within seven days of consultation and 24/7 emergency locksmith services to address urgent security needs. Our team combines technical proficiency with a customer-centric approach, providing free no-obligation surveys and tailored recommendations to ensure optimal protection for every property. Backed by accreditations from leading industry bodies such as UKAS and the Safe Contractor Approved Scheme, we maintain rigorous standards in both product quality and installation practices.Our commitment to innovation is evident in our range of LPCB-approved and CE-certified products, which meet stringent fire and burglary prevention standards. With offices in Banstead and Central London, we serve a diverse clientele across the Home Counties, ensuring localised support and swift service delivery. Our reputation for reliability is reinforced by decades of repeat business and positive client testimonials highlighting our professionalism and technical excellence. We operate with transparency, offering competitive pricing without hidden fees, and provide comprehensive aftercare including maintenance and repair services. This combination of experience, accreditation, and customer-focused service positions us as a leading choice for comprehensive security solutions in the region.
Services
Collapsible Gates
Roller Shutters
Security Doors
Security Grilles
Locksmith Services
Highlights and features
- 35 years of security solution experience
- CE and LPCB approved products
- Comprehensive selection of high-quality doors and gates
- Emergency repairs and 24/7 call-out service
- Strict Health & Safety policy
Associations and certifications
- UKAS
- Safe Contractor Approved Scheme
- UK Locksmiths Association
What people say
More secure now
Excellent product
High quality job
Professionalism of the team
Thermal insulation benefits
Services
Collapsible Gates
Our collapsible gates provide discreet yet robust security for commercial and residential properties. Designed to fit windows and doors, they offer space-saving functionality while maintaining aesthetic appeal. Installation includes custom powder coating to match property decor and automated access options for convenience.
Roller Shutters
High-density polyurethane foam-filled roller shutters protect against intrusions and weather damage. Available in aluminium or steel with manual/electric operation, they meet LPCB and CE safety standards. Emergency braking technology ensures reliable performance in high-risk areas.
Security Doors
Fire-rated security doors combine reinforced steel construction with CE-certified burglary prevention features. Options include multi-lock systems, tempered glass panels, and custom finishes. Compliant with ENV 1627 wk 2-5 standards for commercial and residential applications.
Security Grilles
Powder-coated steel bar and mesh grilles deter forced entry while allowing natural light. Customisable designs include hinged, removable, or permanent installations. Insurance-approved models meet BS3621 specifications for enhanced property protection.
Locksmith Services
24/7 locksmith support for lockouts, key replacements, and security upgrades. Services include high-security lock installations, door closer repairs, and police-approved composite door solutions. Rapid response within 30-60 minutes across London and the South East.
Questions
What areas do you cover for security installations?
We serve all London boroughs, Surrey, Sussex, Kent, Middlesex, Hertfordshire, Hampshire, and Berkshire with rapid response available across the South East.
Do you offer emergency locksmith services?
Yes, our 24/7 emergency locksmith service responds within 30-60 minutes for lockouts, broken locks, and urgent security repairs across London and surrounding counties.
Are your security products certified?
All installations meet LPS 1175, CE 1627, and CE 1522 standards. We're accredited by UKAS, Safe Contractor Scheme, and approved by police and insurance bodies.
How quickly can you install security systems?
We guarantee installations within seven days of consultation, with emergency repairs available immediately through our 24-hour call-out service.
Do you provide free security assessments?
Yes, we offer free no-obligation surveys to evaluate your security needs and recommend tailored solutions without additional charges for consultation.
What types of security grilles do you install?
We supply bar grilles, mesh grilles, and decorative options with powder-coated finishes. All models meet insurance requirements and can be customised for residential or commercial use.
