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    Buyer's Guide

    HMO Glazing and Fire Escape Windows

    Understanding fire escape window basics for houses in multiple occupation.

    1

    Understanding fire escape window requirements

    Houses in multiple occupation are often subject to specific fire safety requirements, which can include the need for certain windows to function as emergency escape routes with a minimum clear opening size and unobstructed access. Landlords should confirm exact requirements with their local authority or a fire risk assessor, as rules can vary depending on the property's specific HMO licensing category and number of occupants.

    2

    Choosing openable window styles

    Where a window is designated as an escape route, the opening mechanism needs to allow quick, easy operation without keys or specialist tools during an emergency, while still providing reasonable day-to-day security. Top-hung or side-hung casement windows with an adequately sized clear opening are commonly specified for this purpose, and this should be discussed at survey stage for any room being used as sleeping accommodation.

    3

    Balancing security with escape access

    HMOs house multiple unrelated occupants, which raises both security expectations and the importance of reliable fire escape provision, and these two priorities need to be balanced carefully rather than treated as opposing goals. Locking hardware should allow occupants to open a window quickly from inside without a key, while still deterring external access, and we can discuss suitable hardware options for HMO settings during survey.

    4

    Room-by-room glazing assessment

    Not every window in an HMO needs to meet escape window criteria, but any room used as sleeping accommodation, particularly on upper floors without an alternative escape route, is likely to need specific consideration. A room-by-room assessment during survey helps identify which windows need particular specification and which can follow a more standard approach.

    5

    Durability for shared occupancy

    HMOs typically see higher turnover and more intensive day-to-day use than single-family rentals, making durable frames and robust hardware particularly valuable. Choosing well-specified uPVC windows and doors reduces the frequency of repair visits, which is a practical consideration for landlords managing frequent tenant changes across shared housing.

    6

    Working with your fire risk assessment

    Many HMOs are required to have a current fire risk assessment, and glazing decisions should align with its findings rather than being made in isolation. Sharing relevant details of your fire risk assessment with us during a survey helps ensure the windows specified support your overall compliance obligations for the property.

    Frequently Asked Questions

    Do all HMO windows need to be fire escape windows?

    No, typically only windows in rooms used as sleeping accommodation without an alternative escape route need to meet fire escape criteria. A room-by-room assessment during survey helps identify which windows require this specification.

    What size opening does a fire escape window need?

    Requirements vary and should be confirmed with your local authority or fire risk assessor, but generally an unobstructed opening of a specified minimum size is required so occupants can escape quickly. We can advise on suitable window styles once you confirm your local requirements.

    Can fire escape windows still be secure?

    Yes, appropriate hardware allows a window to open quickly from inside without a key while still resisting external entry attempts, balancing fire safety with reasonable day-to-day security for HMO occupants.

    Should I involve my fire risk assessor before ordering windows?

    It is a sensible step, particularly for rooms used as sleeping accommodation, so that any glazing specified aligns with your property's specific fire safety requirements and licensing conditions.

    Discuss HMO glazing requirements

    Book a free survey to talk through fire escape window provision and durable glazing options for your HMO property.