St James the Great School – Heritage Timber Sash Upgrade — Peckham, South East London
    Education / Heritage Project

    St James the Great School – Heritage Timber Sash Upgrade

    Heritage-compliant timber sash window replacement for listed school building

    NZR Windows & Doors completed a full timber sash window replacement at St James the Great School, a listed school building in Peckham. The project required strict adherence to heritage requirements while delivering measurable improvements in acoustic performance, internal comfort, and security.

    Client

    St James the Great School

    Sector

    Education / Heritage

    Location

    Peckham, South East London

    Delivered

    2025

    Quick Facts

    Building Type

    Listed school building

    Services

    Timber sash replacement

    Environment

    Live school, heritage setting

    Compliance

    Full heritage requirements

    Scope / What We Delivered

    Full supply and installation of bespoke timber sash windows designed to replicate original profiles and detailing, delivered in a live school environment with controlled access and heritage compliance documentation.

    • Removal of existing timber sash windows in listed building environment
    • Bespoke manufacture of heritage-compliant timber sash replacements
    • Installation of new sash windows to match original sightlines and detailing
    • Improvements to acoustic control, thermal comfort, and security performance
    • Careful making good to internal and external finishes
    • Live school environment works with controlled access management

    Typical Works

    Listed building window surveys
    Bespoke timber sash manufacture
    Heritage-compliant installation
    Acoustic and thermal upgrades
    Internal and external making good
    Full compliance documentation

    Key Outcomes

    Bespoke heritage-compliant timber sash windows installed
    Acoustic performance significantly improved
    Thermal comfort enhanced for classrooms
    Security performance upgraded
    Original sightlines and detailing preserved
    Clean handover with full heritage compliance

    Compliance & Working Method

    • DBS-checked operatives on all school visits
    • Works phased to minimise disruption to teaching
    • Full safeguarding protocols in place
    • Controlled access and visitor management
    • Clean working with protection of finishes
    • Drone footage captured outside school hours with permission

    Outcome

    The school now benefits from authentic heritage-matched timber sash windows that preserve the character of the listed building while delivering modern performance standards. Internal comfort and noise reduction were significantly improved, and the project was completed with a clean, professional handover and full compliance with heritage expectations.

    Project Gallery

    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