NZR Windows and doors

Residential and Commercial Glazing Experts London and Kent

Window and Door Services We Provide

Installations
High-spec aluminium, uPVC, timber, and composite windows and doors for homes, schools, shops, offices, and new builds. We fit bifold doors, sliding systems, French doors, curtain walling, roof glazing, and bespoke aluminium framing — all delivered in-house with zero subcontractors.

Repairs and 24/7 Emergency Response
Rapid window and door repairs for misted units, broken glass, faulty locks, jammed handles, misaligned doors, and glazing failures. Emergency boarding-up and same-day replacements available for both residential and commercial properties across London, Kent, and the South East.

Planned Maintenance and Compliance
Scheduled servicing for windows, doors, and fire-rated systems. Includes lock checks, closer adjustments, glazing inspections, fire door testing, and ongoing compliance work for housing associations, schools, retail units, and offices.

Trade Supply and Custom Glazing
Made-to-measure aluminium windows, double-glazed units, bespoke shopfront frames, and trade-ready components supplied direct to builders, landlords, developers, and contractors — all with fast turnaround and precision fabrication.

🌍 Areas We Cover
Operating across London, Kent, Essex, Surrey, and the wider South East — including Bexley, Dartford, Greenwich, Sidcup, Bromley, Maidstone, Eltham, Whitstable, Canterbury, Tunbridge Wells, and surrounding postcodes.

Professional. Certified. No Excuses.

✅ FENSA Registered
Certified for residential and commercial installations

✅ CHAS Accredited
Compliant with industry health and safety standards

✅ IOSH Certified
Trained in site safety and risk management

✅ Fully Insured
Public and employer’s liability covered

✅ 10-Year Guarantee
Included with every installation

✅ DBS and CSCS-Cleared Teams
Approved for schools, homes, and construction sites

✅ Clean, Tidy Workmanship
Trusted by housing associations and developers

✅ Same-Day Emergency Response
Covering London, Kent and surrounding areas

✅ Fast, Competitive Quotes
No delays. No excuses.

contact nzr today

Why Trust NZR?

🛡️ Trusted by Homeowners, Site Managers and Housing Providers Across London and Kent

At NZR Windows and Doors, we deliver expert installations, repairs, maintenance, and 24/7 emergency call-outs for both residential and commercial clients across Bexley, Kent, London, and surrounding areas.

We are FENSA registered, CHAS accredited, DBS-checked, and fully insured, with a reputation built on reliable service, skilled workmanship, and long-term results. Every project is backed by our 10-year guarantee and handled by professionals with over 45 years of hands-on experience.

From bifold doors and double glazing in family homes, to school refurbishments, boarding-up, and ongoing site maintenance, we work with homeowners, landlords, facilities teams, housing associations and contractors to deliver fast, compliant, and clean results.

Whether you're upgrading a property or managing multiple buildings, NZR provides the same trusted service — start to finish.

📍 Where We Work

We serve customers across:

Bexley, Sidcup, Dartford, Crayford, Bexleyheath, Swanley, Whitstable, Eltham, Orpington, Bromley, Greenwich, the City of London, and throughout Greater London, Kent, and the South East.