A daylight and sunlight assessment is a technical analysis that is prerequisite in many planning applications. Assessments evaluate the potential impact a proposed development might have on surrounding existing properties and the environment. Additionally, it assesses the performance of the development itself, by examining internal daylight and sunlight provision within habitable rooms, as well as the sunlight availability in proposed outdoor spaces.
Understanding the technical jargon and complex details of daylight and sunlight assessments can be challenging. To simplify this subject, we have curated a series of articles, designed to guide you through the complexities of the topic, ensuring that you are equipped with the knowledge required for an accurate and robust planning application for your development.
This article provides a detailed explanation of what constitutes a daylight and sunlight assessment, outlines its two categories, and shows what factors can improve the results generated on a project.
We aim to clarify, most simply and straightforwardly, the BRE guidelines for daylight and sunlight assessments. We discuss the standards that should be followed and highlight the best practices for conducting these assessments effectively and accurately.
The BRE Guidelines’ latest edition was published in June 2022. This article unpacks the key changes to how assessments are conducted and outlines the new metrics introduced in this edition.
Impact assessments evaluate the effect of a proposed development on surrounding properties and the environment. In this article, we outline and explain each metric that should be considered for impact assessments, as specified in the latest edition of the BRE guidelines.
Here is a concise list of the key evaluation metrics for scheme performance, as stipulated in the BRE guidelines for daylight and sunlight assessments of proposed developments.
Following the latest guidelines, we explain when and why evergreen and deciduous trees should be included within an analytical 3D model, providing a practical and insightful approach to understanding their impact on daylight and sunlight assessment reports.
From building a detailed analytical 3D model to running the assessment and writing the final report, in this article, we give an overview of the best practices for performing an accurate and efficient daylight and sunlight assessment.
A poorly executed study can raise questions about the validity of the assessment and leave the application exposed to negative outcomes. Here are five considerations for your analytical model to ensure a successful daylight and sunlight assessment.
Complex studies involve a significant amount of technical vocabulary. This can be challenging to follow and sometimes lead to confusion within a design team or at the planning authority level. Here is a summary of the main expressions used in a daylight and sunlight assessment.
Delving into the most asked questions about daylight and sunlight assessments, our experts provide insights on the latest guidelines, key aspects that should be assessed, strategic design tactics for enhancing a project’s performance, and more!
Nicholas Polley
Managing Director
at 3D Design Bureau
info@3ddesignbureau.com
Lucas Imbimbo
Richard Dalton
Marcus Sestulis
Lewis Burke
Whether you are part of the AEC industry or not, this guide, prepared by our team of experts, will help you navigate the planning system with confidence, providing valuable information on each stage and outlining projected timeframes for submitting an application
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