07503 379 215
    NZR Windows & Doors
    NZR residential window and door installation
    Residential Windows & Doors

    Home window & door installations, repairs and maintenance

    Bifolds, sliding doors, front doors, windows and rooflights — installed cleanly by a local, family-run team for homeowners across London, Kent, Essex and Surrey. FENSA registered with a 10-year guarantee.

    What we do

    Residential Services

    Installations, repairs and real project examples — everything for your home.

    New installations

    Home Installations

    Windows, front doors, bifolds and conservatories — surveyed, supplied and fitted by our own team.

    Explore installations
    Free home survey

    London, Kent & South East

    Fix & maintain

    Repairs & Maintenance

    Misted glass, broken locks, faulty hinges and damaged frames — repaired without replacing the whole unit.

    Book a repair
    No call-out fee

    Honest fixed quotes

    Our work

    Case Studies

    Real residential projects across London, Kent and the South East — with before/after photos and specs.

    Browse projects
    Latest installs

    Updated monthly

    FENSA registered installer
    Why Choose Us

    Local, FENSA-registered, family-run

    A team that treats every home with the same care — from a single repair to a full installation.

    Sevenoaks – Full Window and Door Installation
    Featured project
    Sevenoaks, Kent2024

    Sevenoaks – Full Window and Door Installation

    Full supply and installation carried out on two new-build properties in Sevenoaks, Kent. This project included timber-framed windows throughout, aluminium bifold doors to the rear, and front entrance doors on both homes. A spider crane was used for safe and precise glass handling. 10-year guarantee — delivered to a high standard by the NZR team.

    Timber-Framed WindowsAluminium Bifold DoorsFront Entrance DoorsSpider Crane Lift
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    Sevenoaks site overview with spider crane
    NZR technician operating spider crane with vacuum lifter
    Anthracite composite front door installation Sevenoaks
    Sevenoaks new build property - front view
    Sevenoaks new build - window installation
    Sevenoaks property exterior
    Our Installations

    Windows, Doors & Glazing We Install

    Five product lines, supplied and installed across London, Kent and the South East.

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    Windows

    Windows

    Casement, tilt-and-turn, sash & bay.

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    Front Doors

    Front Doors

    Composite & uPVC with multi-point locks.

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    Bifold Doors

    Bifold Doors

    Origin, Schuco & Smart aluminium.

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    Sliding Doors

    Sliding Doors

    Inline & lift-and-slide patio doors.

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    Rooflights

    Rooflights

    Flat skylights, lanterns & VELUX.

    View all rooflights
    — Repairs & maintenance

    Window & door repairs for the home

    Misted glass, broken locks, sticking doors and worn hardware — fixed properly, without replacing the whole unit.

    NZR engineer carrying out a residential door panel replacement
    — On siteDoor panel replacement
    What we fix
    Misted & blown sealed units
    Locks, handles & multipoint mechs
    Sticking / dropped doors
    Hinges, friction stays & gearing
    Draughty seals & weatherstrips
    General wear & tear maintenance

    No call-out fee. Honest fixed quotes. FENSA registered & fully insured.

    Client Testimonials

    What Our Clients Say

    5.0(28 reviews on Google)

    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

    For Homeowners

    Get a Quote for Your Home

    Installations & repairs — windows, doors, bifolds, misted glass, broken locks. Free home survey or fixed-price repair quote. FENSA-registered, family-run, London, Kent & the South East.

    020 8970 7013 The Old Barn, Swanley, Kent BR8 7PA

    Free Home Survey

    Book a no-obligation measure & quote at your home.

    Repair Call-Out

    Misted glass, broken locks, faulty hinges — fixed fast.

    Bifolds & Doors

    Tailored quotes for bifolds, sliders and front doors.

    General Enquiry

    Not sure where to start? We'll guide you through.

    Request a Quote

    Complete the form and we will respond within 1 working hour.

    Click to upload photos or documents

    JPG, PNG, PDF, DOC (max 50MB, up to 10 files)

    We typically respond within 1 working hour

    Office

    020 8970 7013

    Emergency 24/7

    07503 379 215

    Email

    info@nzrwindowsanddoors.co.uk

    Address

    The Old Barn, Swanley, Kent BR8 7PA

    Opening Hours
    Mon - Fri06:30 – 19:30
    Sat - Sun08:00 – 17:30

    Message on WhatsApp

    Quick response for urgent enquiries

    Accreditations & Cover

    FENSA registered

    FENSA registered
    10-year guarantee on installations

    FENSA registered installer