Behanllp Chartered Surveyors
Telephone: 01727 800075
info@behanltd.co.uk

Rights to Light Detailed Study

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1) Detailed rights of light 3D model denoting the existing site. A detailed model will be built using a measured survey which also picks up detailing of all relevant neighbouring apertures to be assessed for rights of light and/or daylight and sunlight.

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2) Detailed rights of light model as image 1 showing the proposed development.

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3) Plan view of neighbouring property within image 1 showing 1st to 4th floors. The green contour denotes the existing light levels, the red contour reflects the proposed light levels with the black hatching showing the light loss zones.

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4) Daylight distribution contours showing the light gradient within the room using a pseudo colour banding technique. This helps to understand where parts of each room are best lit and can facilitate at the design stage to ensure that each room receives evenly distributed natural light

RICS

RICS Guidance Note “Daylighting and Sunlighting”
Mark Behan is a member of the working group that produced this guidance note. This guidance note provides advice to surveyors who accept instructions to advise on daylight, sunlight and shadow calculations for developments. It explains the different types of assessment available, reporting procedures and the roles that the Chartered Surveyor will need to perform. http://www.ricsbooks.com