Timber sash windows – heritage building installation, London & South East
    Installation Service

    Timber Windows

    Timber window installations, replacements and repairs including timber sash windows for heritage buildings, schools and listed properties 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

    Timber Windows — built, fitted & maintained

    Timber windows remain the preferred choice for heritage buildings, conservation areas and listed properties where authentic appearance is essential. We supply, install and maintain timber windows including traditional timber sash windows and timber casement windows across London, Kent, Essex and Surrey.

    Our timber window services include new installations to match existing heritage windows, full refurbishment of original timber sash windows, and sympathetic replacement where repair is not viable. We work with conservation officers and understand the requirements of listed buildings and properties in conservation areas.

    Accreditation
    FENSA
    Warranty
    10 years
    Survey
    Free, no obligation
    Project Gallery
    7 photos
    Timber sash windows – heritage building exterior
    View gallery
    Traditional timber sash window – period property
    Timber sash window installation – brick building
    Timber sash windows – corner detail
    Timber sash window – close-up detail
    Timber sash window with glazing bars
    +1more

    Click any image to view full gallery

    — What we deliver

    Why FMs & contractors specify us for timber windows

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

    Authentic period appearance for heritage buildings
    Timber sash windows – box sash and spiral balance options
    Timber casement windows in traditional profiles
    Suitable for listed buildings and conservation areas
    Can be made to match existing original windows
    Excellent thermal and acoustic performance
    Double glazed slim-profile units where permitted
    Factory-finished or site-painted options
    — Typical applications

    Where we install & maintain timber windows

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

    Listed buildings and heritage propertiesProperties in conservation areasPeriod schools and educational buildingsChurches and community buildingsHistoric commercial buildingsPeriod residential conversions
    Featured case study

    St James the Great School

    Education / HeritageListed buildingDBS-checked

    Heritage-compliant timber sash upgrade

    Full timber sash window replacement at a listed school building — strict heritage compliance with improved acoustic performance, thermal comfort and security.

    Timber Windows enquiry

    Request a survey, quote or repair for timber windows

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

    1

    Your details

    2

    Service required

    3

    Tell us more

    A sentence or two is fine

    Same working-day reply · Emergencies prioritised 24/7

    — Frequently asked

    Timber Windows FAQs

    Do you install timber sash windows?

    Yes, we supply and install timber sash windows including traditional box sash and modern spiral balance sash windows. We can match existing period profiles.

    Can you work on listed buildings?

    Yes, we have experience working on listed buildings and understand the requirements of conservation areas. We can liaise with conservation officers on your behalf.

    Can timber windows have double glazing?

    Yes, slim-profile double glazed units can often be fitted in timber windows while maintaining period appearance. This depends on planning requirements for listed buildings.

    Do you repair existing timber windows?

    Yes, we repair timber windows including sash cord replacement, draught-proofing, hardware repairs and timber repairs. Often refurbishment is more appropriate than replacement.

    What timber species do you use?

    We use engineered softwood and hardwood depending on requirements. Hardwoods like Accoya offer exceptional durability and stability.

    How long do timber windows last?

    Well-maintained timber windows can last 50+ years. Regular painting and maintenance extends their lifespan significantly.