Understanding Appropriate Measures for Enclosed Buildings: A 2025 UK Overview

Appropriate Measures have become a central requirement in the UK planning system, particularly for enclosed buildings where environmental and operational risks are increased simply because activities occur indoors. Unlike open-air environments, enclosed buildings concentrate pollutants, retain odours, and limit natural dispersion. As a result, planning officers now expect developers to demonstrate robust reasoning around ventilation, emissions control, drainage, spill management and structural suitability.

One of the earliest steps in establishing compliance for any enclosed building project is a detailed Phase 1 Desktop Study. This report helps reveal historic land uses, potential contamination sources and whether the introduction of an enclosed structure would change how risks are managed. When cars or plant are being stored or operated within an enclosed space, the need for controlled ventilation and engineered drainage increases significantly.

Car notification is often misunderstood. Many assume it applies only to car parks, but in reality it applies to any activity involving vehicles inside a structure—servicing, storage, MOT operations, cleaning or even general logistics. These activities may impact air quality, noise levels, building ventilation and neighbouring receptors. Where emissions, vapours or particulates have potential pathways, an Air Quality Assessment is now frequently requested by local authorities.

For developers working on older buildings, refurbishment often introduces additional requirements. Before any works begin, an Asbestos Survey is crucial to ensure the building fabric is safe to disturb. Meanwhile, enclosed waste areas may require WAC Testing to correctly classify materials before disposal.

EnviroSolution provides supporting reports that help demonstrate compliance with Appropriate Measures. This includes Infiltration Testing where drainage or SUDS features interact with building runoff, as well as SAP Calculations for new-build elements requiring energy performance assessments.

By addressing Appropriate Measures early, developers reduce uncertainty, avoid pre-commencement conditions and gain smoother approvals. Enclosed buildings bring higher expectations—but with the right evidence, compliance becomes a streamlined process.