Design and Planning
Noise Impact Assessment
It is also called a noise survey for planning or a noise assessment. It is needed when a council asks for one before validating an application, in a pre-application response, or by condition.
If you are an employer looking at staff exposure to noise at work, that falls under HSE guidance and is not covered here.
The assessment can work in either direction. It may protect future occupants from existing noise, such as a road next to a housing site, or protect existing neighbours from new noise, such as plant on a commercial building.
When a noise survey for planning is requested
The National Planning Policy Framework expects planning decisions to take account of noise. GOV.UK planning practice guidance on noise explains how noise impacts are considered, including whether a significant adverse effect or adverse effect is likely, and whether a good standard of amenity can be achieved, in line with the Noise policy statement for England.(Source: GOV.UK: National Planning Policy Framework; GOV.UK: Noise policy statement for England; HSE: Noise at work)
Planning requirements differ by council. Which noise sources a council wants assessed, and the method it expects for each, is decided by the local planning authority, often after its environmental health officers have commented at pre-application stage or on the application. That decision fixes whether one noise impact assessment covers the site or whether a residential, commercial or transport noise assessment is needed as well.
The planning practice guidance also lists further technical guidance, including BS 8233 for noise in buildings and BS 4142 for industrial and commercial sound, and explains how noise can be controlled through design, layout and planning conditions.(Source: GOV.UK: Planning practice guidance, Noise)
Choosing the scope of a noise impact assessment
| Planning question | Likely evidence | Specialist route |
|---|---|---|
| What is already audible? | Measured acoustic baseline | Environmental noise survey |
| Can homes be suitably designed? | Exposure and building response | Residential noise assessment |
| What will equipment contribute? | Source data and neighbour assessment | Commercial or industrial assessment |
| How will transport affect the site? | Road or railway exposure | Road and rail assessment |
| How will a venue affect neighbours? | Music and operating scenarios | Entertainment noise assessment |
Which noise assessment?
How this tool decides
What is the planning question?
- Existing noise on the site
- New homes on a noisy site
- Plant or commercial activity near homes
- Road or railway noise
- Entertainment or licensed premises
Existing noise on the site
An environmental noise survey records the existing noise environment.
The existing page distinguishes these assessment routes; the local planning authority agrees the evidence and scope it needs. GOV.UK: Planning practice guidance, Noise
Typical project: from £750 per 24 hours, one meter.
Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project.
Based on one published price.
Checked November 2026.
Next step: Send the council request, site plan and operating information to agree the monitoring brief.
Deadline: Follow the validation request or planning condition for your application; no universal deadline is stated.
New homes on a noisy site
A residential noise assessment considers noise affecting proposed homes.
The existing page distinguishes these assessment routes; the local planning authority agrees the evidence and scope it needs. GOV.UK: Planning practice guidance, Noise
Typical project: £650 to £2,900 per assessment.
Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project.
Checked November 2026.
Next step: Send the council request, site plan and operating information to agree the monitoring brief.
Deadline: Follow the validation request or planning condition for your application; no universal deadline is stated.
Plant or commercial activity near homes
A commercial and industrial noise assessment considers the proposed sound source and nearby homes.
The existing page distinguishes these assessment routes; the local planning authority agrees the evidence and scope it needs. GOV.UK: Planning practice guidance, Noise
Typical project: £600 to £2,800 per assessment, single source.
Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project.
Checked November 2026.
Next step: Send the council request, site plan and operating information to agree the monitoring brief.
Deadline: Follow the validation request or planning condition for your application; no universal deadline is stated.
Road or railway noise
A road and rail noise assessment considers transport noise affecting the development.
The existing page distinguishes these assessment routes; the local planning authority agrees the evidence and scope it needs. GOV.UK: Planning practice guidance, Noise
Typical project: £650 to £2,900 per assessment.
Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project.
No published price was found for this service. The range shown is borrowed from residential noise assessments.
Checked November 2026.
Next step: Send the council request, site plan and operating information to agree the monitoring brief.
Deadline: Follow the validation request or planning condition for your application; no universal deadline is stated.
Entertainment or licensed premises
An entertainment noise assessment considers the venue and sound reaching neighbours.
The existing page distinguishes these assessment routes; the local planning authority agrees the evidence and scope it needs. GOV.UK: Planning practice guidance, Noise
Typical project: £750 to £2,500 per assessment.
Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project.
No published price was found for this service. The range shown is borrowed from general planning noise assessments.
Checked November 2026.
Next step: Send the council request, site plan and operating information to agree the monitoring brief.
Deadline: Follow the validation request or planning condition for your application; no universal deadline is stated.
What to have ready
- The planning noise request, condition wording or environmental health response.
- A red-line site plan and drawings identifying proposed uses.
- A description of existing nearby noise and proposed sound-producing activities.
- Operating information for proposed equipment or premises where relevant.
- Access and security details for potential measurement locations.
How we work this out
The figures shown are indicative. They are ranges taken from prices that UK providers of this service have published, and they are here to help you budget. They are not a quote, an offer or a price guarantee from National Building Compliance.
Your actual price depends on details this tool cannot see, including the size and layout of the building, how many units there are, access, location, how complete your drawings are, and how quickly you need the work. It may be lower or higher than the range shown.
Unless a figure says otherwise, prices exclude VAT. The date each range was last checked is shown beside it.
For an accurate, fixed price, send us your project details. We will confirm the scope and quote before any work is booked.
Indicative market costs
| Case | Unit | Indicative range |
|---|---|---|
| Typical project | per assessment | £700 to £2,500 Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project. |
Checked November 2026.
Noise Surveys for typical project in England typically costs £700 to £2,500 per assessment before VAT, based on prices published by UK providers and checked in November 2026. This is indicative and not a quote.
Indicative only. This is a typical UK market range based on prices published by other providers, checked November 2026. It is not a quote. Prices exclude VAT unless stated. Contact us for an accurate price for your project.
How a noise impact assessment is prepared
01
You send the site address, drawings and any council request or condition.
02
We identify which type of assessment fits the site.
03
The consultant agrees the scope with the council's environmental health officer where needed.
04
Noise is measured on site and predicted for the proposal.
05
Impacts are assessed against the relevant guidance and standards.
06
Mitigation is specified where needed.
07
You receive the report for submission.
08
After the decision, the consultant can help discharge any noise conditions.
Information for a noise impact assessment
- The planning noise request, condition wording or environmental health response.
- A red-line site plan and drawings identifying proposed uses.
- A description of existing nearby noise and proposed sound-producing activities.
- Operating information for proposed equipment or premises where relevant.
- Access and security details for potential measurement locations.
Documents included with a noise impact assessment
- A defined assessment question linked to the submitted proposal.
- A record of the evidence used and its limitations.
- A plan identifying relevant sources and receiving locations.
- An explanation of the prediction or evaluation approach.
- Recommendations tied to the design or operating proposal assessed.
Agreeing the noise impact assessment scope
Agree the scope with the council before monitoring starts, and make sure the proposal in the report matches the application drawings. Most queries come from scope disagreements or out-of-date drawings.
Scoping a noise impact assessment before booking monitoring
Start with the decision the report must support. A broad request for a noise report can conceal very different tasks, and collecting data without that question may leave the useful evidence missing. Send the exact correspondence rather than a summary passed between consultants. Identify whether the application introduces a sensitive use, a sound source or both. Requirements vary by council, so record any agreed scope and flag later design changes that could alter it. The parent assessment can then direct work to the appropriate specialist survey.
Your a noise impact assessment report
A noise impact assessment report setting out the survey, the measured and predicted noise, the assessment method and the mitigation needed. The planning officer and environmental health team use it to decide the application and set conditions.
The type of assessment depends on the site. Environmental noise surveys measure existing noise. Residential noise surveys assess new homes on noisy sites. Commercial and industrial noise surveys assess plant and premises near homes using BS 4142. Road and rail noise surveys deal with transport noise. Entertainment and night club noise surveys cover venues and licensed premises.(Source: GOV.UK: Planning practice guidance, Noise; BSI: BS 4142 Methods for rating and assessing industrial and commercial sound)
Where a planning condition requires the mitigation to be approved, the consultant can prepare the details the council needs to discharge it.
Pricing and scheduling a noise impact assessment
The assessment price follows the question being answered: incoming noise, proposed activity or a combination of both. Monitoring locations, prediction work and council discussions affect the scope. Provide the application stage and any written noise request so the survey is planned around the evidence actually needed.
- Price
- [[TO SUPPLY: Noise Surveys price from]]
- Turnaround
- [[TO SUPPLY: Noise Surveys turnaround time]]
Questions about a noise impact assessment
What is a noise impact assessment?
A report that measures and predicts noise for a planning application and sets out any mitigation needed.
When is a noise impact assessment required?
When the council asks for it, usually because the site is near a noise source or the development will make noise. Requirements differ by council.
Is this the same as a workplace noise assessment?
No. Workplace noise assessments concern employees' exposure under HSE guidance. This service is for planning and development.
Which type of survey do I need?
Send us the council's request and site details and we will confirm. The five types are linked from this page.
How much does a noise impact assessment cost?
It depends on the survey length and complexity. Published prices: [[TO SUPPLY: price from]]. Turnaround: [[TO SUPPLY: turnaround time]].
Can I discharge a noise condition with this report?
Often, if the report was written to answer the condition. Send us the wording.
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