07503 379 215
    NZR Windows & Doors
    Aluminium window installation – commercial building, London & South East
    Installation Service

    Aluminium Windows

    Commercial aluminium window installations, replacements and upgrades for offices, schools and commercial buildings across London and the South East.

    Clients We've Worked With

    Trusted by leading brands across retail, corporate, education and public sectors

    Canary Wharf Group
    Costa Coffee
    Gail's Artisan Bakery
    NHS Approved Contractor
    Dartford Borough Council
    Sharp Corporation
    Anytime Fitness
    Panavision
    Pizza Express
    Caffè Nero
    Big Motoring World
    Mears Group
    WTW (Willis Towers Watson)
    XBP Europe
    Canary Wharf Group
    Costa Coffee
    Gail's Artisan Bakery
    NHS Approved Contractor
    Dartford Borough Council
    Sharp Corporation
    Anytime Fitness
    Panavision
    Pizza Express
    Caffè Nero
    Big Motoring World
    Mears Group
    WTW (Willis Towers Watson)
    XBP Europe
    Canary Wharf Group
    Costa Coffee
    Gail's Artisan Bakery
    NHS Approved Contractor
    Dartford Borough Council
    Sharp Corporation
    Anytime Fitness
    Panavision
    Pizza Express
    Caffè Nero
    Big Motoring World
    Mears Group
    WTW (Willis Towers Watson)
    XBP Europe

    Logos shown for reference

    Overview

    Aluminium Windows — built, fitted & maintained

    Modern aluminium windows deliver excellent thermal performance, durability and aesthetics for commercial buildings. We supply and install aluminium window systems for offices, schools, healthcare facilities and commercial premises across London, Kent, Essex and Surrey, offering both new installations and window replacements.

    Aluminium windows are ideal for commercial environments where slim sightlines, maximum natural light and low maintenance are essential. Our thermally broken aluminium profiles meet current Building Regulations for energy efficiency while providing the clean, contemporary look that modern buildings demand.

    Accreditation
    FENSA
    Warranty
    10 years
    Survey
    Free, no obligation
    Project Gallery
    7 photos
    Commercial aluminium window installation – Dover Innovation Centre
    View gallery
    Aluminium window – office building installation
    Aluminium fixed window – commercial glazing
    Commercial aluminium windows – external view
    Aluminium window installation – building exterior
    Commercial aluminium windows with trickle vents
    +1more

    Click any image to view full gallery

    — What we deliver

    Why FMs & contractors specify us for aluminium windows

    Specification, manufacture & installation — end-to-end, with the paperwork to match.

    Thermally broken profiles for excellent insulation
    Slim sightlines maximising natural light
    Low maintenance powder-coated finishes
    Wide range of opening configurations (casement, tilt & turn, pivot)
    Enhanced security options (PAS 24 rated)
    Long lifespan with minimal maintenance
    Available in any RAL colour
    Double glazed units as standard
    — Typical applications

    Where we install & maintain aluminium windows

    Single replacements to full-building refurbishments — commercial, FM & heritage.

    Office buildings and commercial premisesSchools and educational facilitiesHealthcare buildings and medical centresRetail and hospitality venuesIndustrial and warehouse buildingsMulti-storey residential developments
    Featured case study

    Dover Innovation Centre

    Commercial OfficePhased worksLive site

    Commercial aluminium window replacement

    Phased aluminium window replacement across the Dover Innovation Centre offices — structural prep, scissor-lift access and live-site coordination around occupied tenants.

    — Our Capabilities

    Commercial glazing services

    Complete glazing solutions for businesses, FM companies, schools and public sector organisations across London and the South East.

    Need a repair or maintenance visit? Visit our repairs hub
    Entrance Doors

    Entrance Doors

    Commercial aluminium and glass entrance doors for offices, retail, gyms, schools and managed buildings across London and the South East.

    Learn more
    Commercial Shopfronts

    Commercial Shopfronts

    Complete commercial shopfront systems — aluminium-framed and frameless glass shopfronts, shopfront glazing and entrance doors for retail, hospitality and managed buildings.

    Learn more
    Curtain Walling

    Curtain Walling

    Large-scale curtain wall systems, structural glazing and facade installations for commercial developments.

    Learn more
    Commercial Windows

    Commercial Windows

    Commercial window installations, replacements and maintenance — aluminium, uPVC and timber windows for offices, schools and commercial buildings.

    Learn more
    Smoke Vents / AOV
    Life safety

    Smoke Vents / AOV

    Installation, repair and maintenance of smoke ventilation systems and AOV (Automatic Opening Vent) systems.

    Learn more

    Reactive repairs & maintenance

    Same-day call-outs, glazing replacement and PPM contracts.

    Visit repairs hub
    Live · 24/7

    Emergency & make-safe

    Boarded up, secured or glazed back in — fast.

    Call 07503 379 215
    Aluminium Windows enquiry

    Request a survey, quote or repair for aluminium windows

    Tell us about your aluminium windows project — new installation, replacement, glazing or hardware repair. We cover commercial, FM and residential across London & the South East.

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    Your details

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    A sentence or two is fine

    Same working-day reply · Emergencies prioritised 24/7

    — Frequently asked

    Aluminium Windows FAQs

    How long does aluminium window replacement take?

    Timescales depend on the number of windows and access requirements. We typically replace 4-6 aluminium windows per day per team.

    Can you match existing aluminium windows?

    Yes, we can match profiles, colours and glazing specifications to existing windows for partial replacements or extensions.

    What about building regulations for aluminium windows?

    All our aluminium window installations are FENSA registered and comply with current Building Regulations for thermal performance and safety.

    What colours are available for aluminium windows?

    Aluminium windows can be powder-coated in any RAL colour. Popular choices include anthracite grey (RAL 7016), black (RAL 9005) and white (RAL 9010).

    Are aluminium windows energy efficient?

    Yes, modern thermally broken aluminium profiles provide excellent insulation. Combined with double or triple glazed units, they meet current Part L requirements.

    Do you repair aluminium windows?

    Yes, we repair aluminium windows including hinges, handles, restrictors and sealed unit replacements. Visit our repairs page for more information.