At Noise Impact Assessments, we support developers, architects, and planners across the UK with the specialist surveys needed to measure, analyse, and mitigate noise.

Whether you’re working on residential housing, commercial projects, transport schemes, or industrial sites, a professional noise assessment helps ensure compliance with planning regulations, protects future occupants, and reduces the risk of costly objections or delays.

What Does a Noise Impact Assessment Cost?

The cost of a noise impact assessment ranges from £700 to over £5,000, depending on the project scale, site conditions, and the scope of monitoring required.

Costs are primarily influenced by the number of survey locations, the length of time monitoring is carried out, and the level of detail needed in the final reporting for planning or compliance.

Contact Noise Impact Assessment specialists to get customised prices for your project.

Why Are Noise Impact Assessments Required for Developments?

Noise impact assessments are often a mandatory requirement for planning approval. Local authorities need evidence that new developments will not expose future residents or businesses to unacceptable noise levels and that existing communities won’t be adversely affected.

By assessing baseline noise and predicting future impacts, these studies help shape design solutions such as sound insulation, barriers, or building orientation to minimise disturbance.

Which Types of Projects Typically Require a Noise Assessment?

Noise impact assessments are often needed to support planning applications, compliance, and occupant wellbeing, including:

• Residential housing – Particularly near busy roads, railway lines, or flight paths.
• Commercial developments – Offices, retail units, and leisure spaces with potential noise impact.
• Industrial facilities – Factories, warehouses, and production sites generating high noise levels.
• Transport infrastructure – Road schemes, rail projects, and airport expansions.
• Mixed-use developments – Schemes combining residential, retail, and entertainment spaces.
• Schools and educational buildings – Ensuring suitable learning environments free from excessive noise.
• Healthcare facilities – Hospitals and care homes requiring quiet, controlled acoustic conditions.

How Are Baseline Noise Levels Measured and Analysed Across Sites?

Consultants measuring the impact of noise assessment use calibrated sound level meters positioned at representative locations across the site. Measurements typically cover daytime and nighttime periods to account for variations in activity.

Data is then analysed using industry-standard methods to predict future noise exposure and assess compliance with guidelines such as BS8233 and WHO standards.

Can a Noise Impact Assessment Help With Planning Permission Applications?

A professional noise impact assessment is often a critical part of planning applications. Reports are designed to address local authority requirements, provide clear evidence of compliance, and recommend mitigation measures where necessary.

Having a credible assessment reduces the risk of objections and planning delays.

What Standards and Guidelines Do Noise Assessments Need to Comply With?

Noise assessments are carried out in line with recognised standards and statutory requirements, including:

• BS8233 – Guidance on sound insulation and noise reduction for buildings.
• BS4142 – Methods for rating and assessing industrial and commercial sound.
• WHO Guidelines – Recommendations on acceptable community noise levels to protect health.
• Local planning policies – Requirements set by local authorities to safeguard residential amenity.
• Environmental Impact Assessment (EIA) Regulations – Noise criteria for large-scale or sensitive developments.

How Long Does It Take to Complete a Noise Impact Assessment?

The timeline of a simple noise impact assessment survey may be completed within a week, while assessments requiring longer-term monitoring—such as 24-hour or multi-day measurements—may take several weeks, including analysis and reporting. Developers should factor this into their project timelines to avoid delays.

Is a Noise Assessment a Cost-Effective Way to Avoid Delays Development Projects?

Commissioning a noise impact assessment early in the planning process is a cost-effective way to avoid delays, objections, and potential redesigns. By addressing noise issues upfront, developers can reduce the risk of planning refusal and ensure construction progresses smoothly.

Contact Noise Impact Assessments for a consultation on getting a cost-effective noise impact assessment.

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