Odour impact assessments for planning and permitting
Need an odour impact assessment or odour assessment report? Share the site, proposed activities and council or regulator request. Our odour consultants agree the assessment methods, report, fee and programme, including any separately required monitoring, modelling or management plan.
Share your site location, proposed use and any council or regulator request. We will explain the appropriate scope, fee and next steps.
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Planning support across England
We support planning projects across England, including Greater London and the surrounding counties. Send your project postcode and planning requirement so we can confirm the appropriate scope, availability, site-visit arrangements and any travel costs.
Start with the situation
What is driving your odour enquiry?
Our odour consultants review proposed odour sources and new development near existing activities. An odour impact assessment should address the planning or permitting question for your site. Tell us about the source, nearby sensitive uses and any council or regulator request.
| Survey or scope | What to allow for |
|---|---|
| Commercial kitchens and extraction | Share the proposed use, cooking activity, operating hours and extraction information. The scope should consider nearby sensitive uses and the proposed odour controls. |
| Operational and industrial sites | Tell us about the process, odour sources, operating pattern and any planning or permitting request. Existing monitoring and complaint records may help define the work. |
| New development near an odour source | Share the site location, proposed sensitive uses and nearby activities. The assessment considers potential exposure and whether the location or design needs further attention. |
For wider background, explore our odour assessment service.
Proportionate assessment
Agree the assessment, fee and timing first
The appropriate work depends on the source, surroundings and planning or permitting requirement. Modelling, monitoring and a management plan are possible parts of a scope; they are not automatically needed for every site.
Send us the wording of any council or regulator request. We will explain the proposed work and programme after reviewing the information.
Request an odour quotationYour quotation should set out
- The question to answerThe planning, permitting or operational requirement.
- Methods and informationWhether site work, monitoring or modelling is included.
- Outputs and exclusionsThe report, recommendations and any management plan.
- Fee and programmeVAT, separate charges, information required and timing.
Different outputs for different needs
Assessment, management plan or monitoring?
Odour impact assessments and reports
Examines relevant sources, how odour could reach sensitive locations, and the likely effects. The agreed report explains the methods, assumptions and findings, with control measures or further evidence where needed.
Discuss an assessmentOdour Management Plan
Sets out operational controls, checks, responsibilities and responses to odour incidents. The content should reflect the site and applicable requirements.
Discuss a management planMonitoring or modelling
Provides additional evidence where the assessment calls for it. The appropriate method depends on the source, available information and purpose.
Discuss further evidencePlanning assessments should use the relevant current guidance, including IAQM’s 2026 odour guidance. Environmental permitting has separate guidance and requirements.
A clear route from enquiry
From your project details to an agreed scope
- 1
Tell us about the site
Share the location, proposed works and any council request. Mention existing plans or reports.
- 2
Review your quotation
We explain the proposed odour work, fee and timing. You can then decide whether to instruct us.
- 3
Receive the agreed work
The report sets out the findings and recommendations from the agreed scope, including further work where needed.
Before you enquire
Your questions answered
Start with your site and the work you are planning.
Do all odour assessments need dispersion modelling?
No. The appropriate method depends on the source, site, available evidence and assessment purpose. We will explain whether modelling or other additional work is proposed.
Can you review a commercial kitchen proposal?
Share the proposed use, operating hours and any extraction drawings or council request. We can then discuss the information and assessment scope needed for your project.
How much will the work cost?
The fee depends on the site and agreed work, including any site visits, monitoring, modelling and reporting. Request a quotation that makes the included work and exclusions clear.
How quickly can you provide the report?
We will confirm timing after reviewing the scope, information available and any site work needed. Tell us your intended deadline so feasibility can be considered before instruction.
Is a planning assessment the same as a permit assessment?
No. Planning and environmental permitting can ask different questions and use different requirements. Share the actual request so the scope addresses the correct purpose.
Let’s scope your project
Get a quotation for the work your site needs.
Share the essentials. We will explain the proposed next step.