About NZR – Window and Door Installers | London, Kent

Trusted by Homeowners, Landlords and Contractors Across the South East

At NZR Windows and Doors, we specialise in the supply, installation, repair, and emergency response for all types of windows, doors, and glazing systems. We operate across London, Kent, Essex, Surrey, and the South East, delivering residential and commercial solutions to homeowners, landlords, contractors, schools, developers, and housing associations.

Whether it's a single front door or a full-scale commercial window replacement, we deliver with precision, professionalism, and reliability — backed by a 10-year guarantee on every job.

RESIDENTIAL SERVICES

COMMERCIAL SERVICES

Window and Door Installation Specialists in London, Kent SE

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

Residential and Commercial Clients We Work With

Homeowners

Developers and Builders

Schools and Education

We install high-performance windows, composite doors, sliding systems and more — all fully compliant, energy-efficient, and tailored to your home. Our clean, tidy installs and honest pricing make us the top choice for homeowners upgrading across London, and Kent.

residential PROJECTS

Schools and Education

Developers and Builders

Schools and Education

NZR is trusted by schools and academies, and colleges across London and Kent for window replacements, door upgrades, and emergency glazing. We work safely, cleanly, and within term-time or holiday deadlines. DBS-cleared teams with full documentation ready.

COMMERCIAL PROJECTS

Developers and Builders

Property Managers and Housing Associations

We offer supply and install packages for developers and main contractors working on residential schemes, commercial builds and refurbishments. Our crews are site-ready, insured, certified and fast-moving.

Property Managers and Housing Associations

We work with property managers and housing groups to deliver repairs, upgrades, and emergency glazing. Trusted for block refurbishments, communal door installs, and ongoing maintenance.

Landlords

Property Managers and Housing Associations

Architects and Contractors

We work with landlords managing 1 to 100+ properties, providing ongoing repairs, fast replacements, and upgrade packages for windows and doors. Whether it’s an HMO, block of flats, or a single buy-to-let, NZR gets it done with speed and no disruption to tenants.

Architects and Contractors

Property Managers and Housing Associations

Architects and Contractors

We support architects and main contractors with bespoke glazing, cut-to-size glass, and full aluminium and composite door systems for modern builds and renovations.

OUR STORY

The NZR Story – Built on Graft, Trust and Results

We didn’t start with a showroom. No flashy sales team. Just tools, experience, and the drive to do the job properly.

NZR Windows and Doors was built from the ground up — on-site, not online.
From local jobs in Bexley to full commercial window packages across London, we’ve grown through word-of-mouth, trust, and a reputation for clean, quality installs.

We show up when we say we will, do the job properly, and leave every site spotless — whether it’s a family home, a school, or a full-scale commercial upgrade.

Today, we’re a trusted name for homeowners, landlords, developers, schools, and contractors across London, Kent, Essex, and the South East.

We’re proud to be FENSA certified, CHAS accredited, and IOSH trained — and we’re fully insured, with a 10-year guarantee on every job we do.

Because in this game, it’s simple:
Do it right. Do it once. Leave it clean.

Trusted Across London, Kent, Essex and the South East

📍 Areas We Cover

🔹 Greater London
We cover all of Central and Greater London, including Westminster, Shoreditch, Camden, Mayfair, Southwark, Hammersmith, and surrounding areas.
Our team delivers expert window and door installations, emergency glazing, and 24/7 boarding-up services across London for homeowners, landlords, developers, and commercial clients.
Whether it’s aluminium shopfronts, uPVC window replacements, or full commercial refurbishments — NZR is trusted across London for quality, speed, and full building regulation compliance.

🔹 Kent
From Bexley, Dartford, Bromley and Eltham to Sidcup, Sevenoaks, Whitstable, and Herne Bay — we install high-performance glazing systems, composite doors, aluminium windows, and bifolds throughout Kent.
We work with private homeowners, schools, property managers, and housing associations to deliver reliable, energy-efficient window and door solutions backed by a 10-year guarantee.

🔹 Essex
Operating across Romford, Ilford, Brentwood, Dagenham, and Southend, we provide domestic and commercial glazing services across Essex.
This includes double glazing installations, aluminium bifold doors, front door replacements, and emergency glass repairs.
We’re trusted by builders, landlords, and developers for fast, clean, and compliant service.

🔹 Surrey and the South East
We supply and fit windows and doors in Croydon, Sutton, Kingston, Epsom, and the wider South East.
Our services include sliding doors, roof lanterns, secondary glazing, commercial door systems, and full maintenance support.
NZR handles everything in-house — no subcontractors — with FENSA certification and CHAS compliance.

🔹 Wherever You’re Based
From Whitstable to Westminster, NZR Windows and Doors provides full-service glazing solutions across the South East.
We deliver certified window and door installations with expert care, fast turnaround, and a clean finish — every time.

No matter where you're based — if you need windows, doors, glazing, or urgent repairs in London, Kent, Essex, or Surrey, NZR is ready to deliver.

📞 Call us on 020 8970 7013 or 07503 379215

CONTACT NZR TODAY

Contact Our Team

💬 We respond fast — usually within 1 hour.

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📩General Enquiries: info@nzrwindowsanddoors.co.uk

The Old Barn Off Wood Street, Kent, BR8 7PA

📞 24/7 Emergency Line: 07503 379215 📞 Office: 020 8970 7013

Mon	06:30 – 19:30
Tue	06:30 – 19:30
Wed	06:30 – 19:30
Thu	06:30 – 19:30
Fri	06:30 – 19:30
Sat	08:00 – 17:30
Sun	08:00 – 17:30

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.

Not sure if we cover your area? Just ask — we’re likely already working nearby.

About NZR – Window and Door Installers | London, Kent

Trusted by Homeowners, Landlords and Contractors Across the South East