Daylight and Sunlight Assessments are required by planning authorities to check that new developments provide good daylight inside rooms and do not negatively affect neighbouring windows or gardens.
For internal assessments, we follow BS EN 17037 to measure daylight distribution and sunlight exposure.
For external assessments, we follow BRE 209 to assess neighbour impact, including VSC, APSH, and overshadowing.
Our assessments use trusted methods, following the BRE Guide: Site Layout Planning for Daylight and Sunlight - A Guide to Good Practice, 3rd Edition (2022) by P.J. Littlefair, with clear reporting to help your project achieve the right daylight and sunlight levels and gain planning approval without delays.
Our dedicated professionals ensure thorough and accurate assessments for each project. We are steadfast in our commitment to delivering clarity and understanding for out clients.
The depends on the requirements for the specific scheme. It could inclue planning for new builds, residential or commercial conversions. Extensions for residential and commercial property could also be involved.
Most Local Planning Authorities use the document known as “Site Layout Planning for Daylight and Sunlight – A Guide to Good Practice, 2nd Edition”. It is often known as BRE 209.
The following could be included in a report:
Evaluation of the Baseline Air Quality: NO2, PM10, and PM2.5.
Assessment of Air Quality Impacts During the Construction Phase:
Assessment of Potential Air Quality Impacts During the Operational Phase
The identification of Mitigation Measures
A: BS EN 17037 focuses on internal conditions. BRE 209 also includes an assessment of the site layout and impacts to neighbours.
The assessment could consider:
For those exploring "Daylight and Sunlight Assessments & Reports near me," we're proud to serve the entirety of the London region. We hold each project to the highest standards of quality and compliance.
For a deeper dive into Planning Applications in London, consider visiting The City of London's Official Planning Website.
