APSH (Annual Probable Sunlight Hours)
Hours of sunlight a window receives over a year.
Definition
BRE 209 expects living rooms to retain at least 25% of APSH including 5% in winter. Used to assess sunlight impact on neighbours.
Related terms
Use this in your next site appraisal.
Atlasly turns these concepts into automated checks: FAR, BNG, PTAL, flood, heritage and more, on any plot in seconds.
Try Atlas AI free