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    Window and Doorset Energy Rating

    Hazlemere Window Co Ltd
    Wellington Road
    Cressex Business Park
    High Wycombe
    HP12 3PR
    United Kingdom
    BSI logo

    Certificate Number: KM 566333
    Scope: Window & Door Energy Rating

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2010-11-09 2025-02-18 2025-02-18 2025-12-31