St James the Great School – Heritage Timber Sash Windows — Peckham, London SE15
    Education Project

    St James the Great School – Heritage Timber Sash Windows

    Heritage-compliant timber sash window replacement in listed school building

    NZR completed a full timber sash window replacement at this listed school building in Peckham, requiring strict adherence to heritage requirements while improving performance.

    Client

    St James the Great School

    Sector

    Education

    Location

    Peckham, London SE15

    Delivered

    2025

    Quick Facts

    Building

    Listed school building

    Services

    Timber sash window replacement

    Standard

    Heritage compliance

    Environment

    Live school working

    Scope / What We Delivered

    Full removal and replacement of timber sash windows with heritage-compliant units, delivered with DBS-checked operatives and controlled access throughout.

    • Removal of existing timber sash windows
    • Bespoke manufacture of heritage-compliant replacements
    • Installation matching original sightlines and detailing
    • Improvements to acoustic and thermal performance
    • Internal and external making good

    Key Outcomes

    Heritage-compliant timber sash windows installed
    Improved acoustic and thermal performance
    Character of listed building preserved
    Completed with minimal school disruption

    Compliance & Working Method

    • DBS-checked operatives throughout
    • Controlled access and safeguarding protocols
    • Work phased around school timetable
    • Clean handover of each area before reoccupation

    Outcome

    The school now has authentic heritage-matched timber sash windows that preserve the listed building's character while delivering modern performance. Internal comfort and noise reduction were significantly improved.

    Exact project details available on request for tender/reference purposes.

    For Commercial Clients

    Speak to our commercial team

    FM teams, main contractors, retail, education and public sector — tell us about the building and we’ll arrange the right next step.

    Accreditations

    CHAS • Constructionline Gold • FENSA

    £10m public liability • RAMS provided • DBS-checked operatives