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50+ Years
experience
Emergency
services
Trusted Glazing Services in London
Prentice Glass has been a trusted name in the glazing industry since 1951, establishing itself as one of London's oldest family-run businesses. Our expertise spans bespoke glass design, emergency glazing, and nationwide commercial projects, supported by accreditations from leading industry bodies. We prioritise client relationships, offering tailored solutions from initial design to final installation. Our team of certified glaziers adheres to rigorous safety and quality standards, including SSIP accreditation and membership in the Glass and Glazing Federation. With 24/7 emergency services and a commitment to innovation, we serve diverse sectors such as healthcare, retail, and education.

Our technical consultancy ensures compliance with building regulations, while partnerships with structural engineers enable complex installations. We maintain transparency through FENSA-certified installations and TrustMark accreditation, guaranteeing regulatory compliance and customer satisfaction. Our nationwide reach extends beyond London, delivering high-level glazing and security solutions for both residential and commercial clients.
Services
Emergency Glazing Bespoke Glass Design Glass Installation Security Glazing Technical Consultancy
Details
  • Year established: 1951
Highlights and features
  • We have over 70 years of experience in bespoke glass design and installation.
  • Our team holds accreditations from the Glass and Glazing Federation and FENSA.
  • We offer 24/7 emergency glazing services nationwide.
  • Our technical consultancy ensures compliance with building regulations and safety standards.
  • We partner with structural engineers for complex, high-value installations.
Associations and certifications
  • Glass and Glazing Federation
  • FENSA
  • SSIP
  • TrustMark
  • SafeContractor
  • Checkatrade
Services
Emergency Glazing
Our 24/7 emergency glazing service addresses broken windows, doors, and security breaches with rapid response times. We provide same-day laminated or double-glazing replacements, ensuring premises remain secure. Nationwide coverage includes emergency boarding, lock repairs, and shutter fixes, supported by trained operatives who restore normalcy swiftly.
Bespoke Glass Design
We create tailored glass installations for residential and commercial spaces, including stair panels, screens, and shop fronts. Collaborating with structural engineers, we ensure designs meet building regulations while maintaining aesthetic vision. Services include load testing, site investigations, and compliance with safety standards for complex projects.
Security Glazing
Enhance property security with anti-bandit glass, bullet-resistant panels, and blast-resistant shutters. We conduct Regulation 14 surveys to assess compliance and recommend upgrades like reinforced locks or steel door sets. Our solutions balance safety with functionality for commercial and residential clients.
Technical Consultancy
Our consultancy covers structural engineering, load testing, and site investigations for glass installations. We partner with specialists to validate designs, prevent failures, and ensure compliance with BS 6180 standards. Services include digital scanning for safety audits and reports to mitigate future risks.
Glass Installation
We supply and install a wide range of glass products, from double-glazed windows to decorative mirrors. Our FENSA-certified installations guarantee regulatory compliance, while partnerships with suppliers ensure access to premium materials like fire-resistant and acoustic glass for diverse applications.
People
John Mannell
General Manager
John Mannell, grandson of Reginald Prentice, leads as General Manager and Chairperson of the Glass and Glazing Federation's London Region and Health and Safety Committee. With decades of industry experience, he ensures Prentice Glass maintains high standards through accreditations and partnerships.
Questions
What emergency glazing services do you offer?
We provide 24/7 emergency boarding, same-day glass replacement, lock repairs, and shutter fixes nationwide. Our team responds swiftly to secure premises and restore normalcy.
Are your installations compliant with building regulations?
Yes. We hold FENSA certification for residential glazing and conduct Regulation 14 surveys to ensure commercial installations meet safety standards.
Can you handle bespoke glass projects?
Absolutely. Our bespoke services include custom stair panels, screens, and shop fronts, supported by structural engineers to ensure compliance and durability.
What security glazing options are available?
We offer anti-bandit glass, bullet-resistant panels, blast-resistant shutters, and reinforced locks. Our experts assess risks and recommend tailored solutions.
Do you work outside London?
Yes. While based in London, we deliver nationwide glazing services for commercial and residential clients, including emergency and planned installations.
Reviews (2)
Andrew Bassett
Mar 17, 2024 Report
I want to express my sincere gratitude for the exceptional job done during the reglazing process at Whole Foods Market yesterday. The team was punctual, knowledgeable, and incredibly professional. It was truly a pleasure to witness such a dedicated and proficient team at work. We eagerly anticipate the opportunity to collaborate with you again in the future.
Robin O'Donnell
Nov 11, 2023 Report
They replaced old panes with custom stained glass windows for me when I couldn't find anyone else who still did traditional putty work. They were extremely punctual, efficient, and meticulous in their craftsmanship. They left everything spotless and were delightful to work with.