Commercial Glazing in London, Reactive Repairs& Planned Maintenance
Aluminium doors, shopfronts, curtain walling, floor spring repairs and emergency glazing for FM companies, schools, NHS, retail, offices and main contractors in London and surrounding areas.
Glazing specialists serving London
As the UK's largest commercial centre, London demands glazing solutions that match the pace, scale and standards of its built environment. NZR Windows & Doors provides commercial glazing services across Greater London — from high-street shopfronts and office entrance systems to reactive repairs, planned maintenance programmes and emergency make-safe attendance. Whether you manage a portfolio of retail units, oversee facilities for a corporate headquarters, or maintain public-sector buildings, our team delivers reliable, compliant glazing works throughout the capital. We support FM companies, property managers, local authorities, healthcare trusts and education providers with responsive service, transparent pricing and the flexibility to handle both one-off call-outs and ongoing maintenance contracts. Based in Swanley on the London–Kent border, we're positioned to respond quickly across all London boroughs.
Our London coverage extends from the Square Mile and Docklands through to outer boroughs including Bromley, Greenwich, Croydon, Lewisham and beyond. We regularly attend commercial sites across major business districts, retail parks, town centres, industrial estates and mixed-use developments. Whether your property sits on a busy high street, within a managed office campus, or on a local authority housing estate, NZR can survey, quote and deliver glazing works efficiently.
Latest delivery
Clients We've Worked With
Trusted by leading brands across retail, corporate, education and public sectors
Logos shown for reference
Commercial glazing services
Complete glazing solutions for businesses, FM companies, schools and public sector organisations across London and the South East.
Sector knowledge that works on site
Every sector has its own access constraints, compliance standards and tolerances. We work to all of them — quietly, cleanly, on programme.
Professional. Certified. No excuses.
Every accreditation an FM team needs to put us on the approved list.
FENSA Registered
Certified for residential and commercial installations.
CHAS Gold Accredited
Compliant with industry health & safety standards.
Constructionline Gold
Pre-qualified contractor for public-sector work.
DBS-Cleared Teams
Approved for schools and sensitive environments.
Fully Insured
£10m public, employer and PI cover.
What our clients say
"Reliable, professional, and always available when we need them. Their planned maintenance keeps our stores running smoothly across multiple sites."
James Thompson
Facilities Manager • Multi-site Retail
"Highly recommend NZR. Complex shopfront requirements delivered exactly as needed. Great communication throughout."
George Meco
Business Owner • Retail
"Zach's team handled a difficult curtain walling repair on a live office building with zero disruption to tenants. Spot on."
Sarah Williams
Property Manager • London
"Called them out for an emergency board-up after a smash — on site in under two hours, glazing replaced the next morning."
Mark Davies
Site Manager • Main Contractor
"Professional, communicative and tidy. Even when things got complicated they handled it brilliantly. Highly recommend."
Beckie Anderson
Homeowner • London
"Went above and beyond on a tricky window repair. On time, clean, professional team."
Jim Mcfarlane
Homeowner • Kent
"Quoted, installed and handed over inside two weeks. Tidy site, clear comms, fair price."
Daniel Okafor
Operations • Hospitality
"Used NZR for two school holiday installs — both finished on time with all paperwork in order."
Priya Shah
Estates Officer • Education
Discuss your London commercial project
Tell us about your building or estate in London — we'll arrange a technical survey, fixed quotation, reactive call-out or PPM visit. Emergencies prioritised.
Frequently asked questions — London
Do you cover London for commercial glazing and door repairs?
Yes — London is well within our daily coverage area. NZR Windows & Doors attends commercial sites across London for aluminium door repairs, shopfront installations, curtain wall maintenance, glazing replacement and 24/7 emergency make-safe. We work with FM companies, retailers, schools, NHS sites and councils throughout London.
How quickly can you reach London for an emergency call-out?
For 24/7 emergencies in London we aim to attend within 2–4 hours, with same-day attendance for urgent reactive repairs. Vans are stocked with common door hardware (floor springs, pivots, transom closers, multipoint locks) so most issues are fixed on the first visit. Call 07503 379 215 to dispatch.
What areas near London do you also cover?
In addition to London itself we regularly attend Central London, City of London, Canary Wharf, West End, South London, East London, plus the wider London commercial market. If your portfolio spans multiple sites we provide a single point of contact and consolidated invoicing across the lot.
Do you provide commercial glazing across all London boroughs?
Yes. NZR Windows & Doors covers all London boroughs for commercial glazing installations, reactive repairs, planned maintenance and emergency make-safe works. We regularly work across inner and outer London.
Can you attend emergency glazing call-outs in London?
Absolutely. We offer 24/7 emergency make-safe and boarding-up services across London. Our team can respond quickly to secure damaged shopfronts, entrance doors and windows on commercial premises.
Do you work with FM companies and managing agents in London?
Yes. We work with facilities management companies, managing agents, property managers and building owners across London, providing reactive repairs, scheduled maintenance and project installations.
What types of commercial glazing do you install in London?
We install aluminium entrance doors, shopfronts, curtain walling, commercial windows (aluminium, uPVC and timber), smoke vents and AOV systems across commercial, retail, education and healthcare premises in London.
Can you provide planned maintenance for commercial glazing in London?
Yes. We offer planned preventative maintenance programmes for commercial glazing across London, including door and window servicing, hardware replacement, seal renewal and safety inspections.