Hea 01 - Visual comfort

Control of glare from sunlight – use of EN 14501 to demonstrate compliance for blinds - KBCN1737

Where glare control criteria for blinds sets an openness factor of ≤ 1% and total light transmission of ≤ 10%, this is classified as class 3 within EN 14501:2021. In accordance with Table 7 of EN 14501 alternative class 3 and 4 solar protection devices can be used to demonstrate compliance, as they meet or exceed the current criteria.

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Daylighting – alternative requirements for schools. - KBCN1272

For schools, it is acceptable to use the Department for Education Generic Design Brief (GDB), Technical Annex 2E requirements as an alternative method of compliance with the ‘Daylighting’ criteria. The set daylight performance criteria by each area type (weighted by area) must be met in line with the GDB framework requirements.

05-Aug-2024 Completely updated to align with current DfE requirements, and V7 criteria. Title updated.
31-Jul-2019 Reworded to clarify that the 80% requirement (relating to old EFSA requirements) still applies.

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Pods or privacy booths used as workstations – Impact on view out - KBCN1697

Provided the space or room itself is compliant based on a more traditional furniture arrangement, the enclosure of workstations in booths or pods can be disregarded when considering compliance with the ‘View out’ criteria.

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