2–3hr
Avg response
7,500+
Jobs done
24/7
Emergency
Clients We've Worked With
Trusted by leading brands across retail, corporate, education and public sectors
Logos shown for reference
How can we help today?
Four service lines — each logged straight to a project manager.
Priority service
Reactive Repairs
Same-day aluminium door repairs for faults, damage & urgent issues.
Costa Coffee London
Aluminium door repair · Central London
Emergency dispatch
Emergency Make Safe
Smashed glass, break-ins & damage — make safe and replace fast.
Costa Coffee London
Emergency boarding · Central London
What happens next
From first call to final handover — six clear steps.
Call us
24/7 line or enquiry form — urgency triaged immediately.
Attend
Engineer dispatched — same day for emergencies.
Make safe
Site secured with boarding or temporary glazing.
Measure
Precise dims taken for glass or hardware.
Install
Return visit to fit the permanent replacement.
Handover
Photos, sign-off and warranty documentation.
Engineered for speed & accountability
Vans stocked with common door hardware, certified engineers and a single point of contact for multi-site portfolios — so issues are diagnosed and fixed on the first visit wherever possible.
Same-day attendance
Emergency call-outs prioritised — boarding and make-safe within hours.
FM-fluent engineers
We speak FM. PPM schedules, RAMS, permits-to-work and asset tagging as standard.
First-time fix
Pivots, transom closers, floor springs, multipoint locks and gear carried on every van.
Single point of contact
One account manager across your whole portfolio — no chasing, no missed jobs.
Full documentation
Before/after photos, sign-off sheets and certificates uploaded for compliance.
24/7 emergency line
Manned around the clock for smashed glass, forced entry and any urgent failure.
Who we support
FM teams, contractors and in-house teams across London & the South East.
What Our Clients Say
Trusted by FM companies, multi-site operators & homeowners across the South East
"Very good service, went above and beyond with my window repair. Professional team, arrived on time and cleaned up after themselves. Highly recommend!"
Jim Mcfarlane
Homeowner • Kent
2 weeks ago
"Highly recommend NZR Windows and Doors. I had some complex requirements for my shop front and they delivered exactly what I needed. Great communication throughout."
George Meco
Business Owner • Retail
a month ago
"Zach and the team were very professional and even with some unexpected complications, they handled everything brilliantly. The new bifold doors look amazing!"
Beckie Anderson
Homeowner • London
a month ago
"Reliable, professional, and always available when we need them. Their planned maintenance keeps our stores running smoothly."
James Thompson
Facilities Manager • Multi-site Retail
2 months ago
Report a repair or request maintenance
Tell us what's broken or what you need surveyed — we'll come back within 1 working hour. Emergencies prioritised. Send photos for a faster quote.
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.