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46 Years
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Emergency
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Your Trusted Locksmith & Home Security Experts in Stevenage
Established in 1980, A & D Cozzi has built a reputation as a trusted family-run business specialising in locksmith services, garage door automation, double glazing repairs, and roofline solutions. With over four decades of experience serving residential and commercial clients in Stevenage, we combine traditional craftsmanship with modern techniques to deliver reliable security and energy-efficient solutions. Our team of qualified professionals is approved by ALOA and FENSA, ensuring compliance with industry standards for lock installations, window repairs, and door automation. We prioritise customer satisfaction through competitive pricing, emergency 24/7 support, and a commitment to resolving security issues promptly. From repairing damaged locks to supplying and fitting new uPVC windows, our comprehensive services address both immediate needs and long-term property enhancements.

Our use of Easi-Dec platforms for roofline work demonstrates our focus on safe, efficient access solutions. As a locally rooted business, we maintain transparency in pricing and operations, offering free quotes and tailored advice to meet individual client requirements. Our expertise extends to garage door automation, guttering repairs, and security upgrades, reflecting our dedication to evolving with technological advancements while maintaining personal service standards. This combination of experience, accreditation, and customer-centric approach has solidified our position as a leading provider in the region.
Services
Locksmith Services Garage Doors Double Glazing Repairs Fascias & Soffits Guttering
Details
  • Year established: 1980
Highlights and features
  • We have over 40 years' experience in locksmith and home security services.
  • Our team is ALOA-approved for professional lock installations and repairs.
  • We provide 24/7 emergency assistance for urgent security issues.
  • Our FENSA accreditation ensures quality double glazing installations.
  • Competitive pricing with free, no-obligation quotes for all services.
Associations and certifications
  • ALOA
  • FENSA
Services
Locksmith Services
We provide comprehensive lock repairs, replacements, and installations to BS3621 standards. Specialising in uPVC windows and doors, our ALOA-approved locksmiths handle emergency lockouts, security upgrades, and key cutting. With over 40 years' experience, we ensure properties remain secure against evolving threats.
Garage Doors
Our garage door services include automation of existing systems and supply/installation of new doors. We repair components like cables, locks, and springs while offering modern automated solutions. This enhances convenience and security for residential properties across Stevenage with expert, lasting results.
Double Glazing Repairs
FENSA-accredited installations and repairs for uPVC, wooden, and aluminium windows. We address broken seals, damaged hinges, and lock replacements while improving energy efficiency. Our solutions combine aesthetic enhancement with functional security for long-term property protection.
Fascias & Soffits
Supply and installation of uPVC and timber fascias, soffits, and guttering. We enhance roofline aesthetics while ensuring durability against weather damage. Using Easi-Dec platforms, we safely access hard-to-reach areas, providing efficient repairs and modern upgrades that improve property appearance.
Guttering
Comprehensive guttering repairs and replacements using uPVC materials. We restore proper water drainage to prevent property damage while offering maintenance solutions. Our team addresses blockages, leaks, and structural wear, ensuring long-lasting functionality and protection against weather-related issues.
Questions
What services does A & D Cozzi offer?
We specialise in locksmith services, garage door automation, double glazing repairs, fascias, soffits, and guttering solutions for homes and businesses in Stevenage.
Are your locksmiths available for emergencies?
Yes, we provide 24/7 emergency services for lockouts, broken locks, and urgent security repairs to ensure your property remains secure at all times.
Do you offer free quotes?
We provide free, no-obligation quotes for all our services, including lock installations, window repairs, and garage door automation.
Are you accredited by industry bodies?
Yes, we are ALOA-approved locksmiths and FENSA-accredited for double glazing installations, ensuring compliance with national safety and quality standards.
Which areas do you serve?
We primarily serve Stevenage and surrounding areas, offering local expertise with prompt response times for residential and commercial clients.