Mould Assessment Checklist




Helpful guidance to support mould inspections, reporting and remediation enquiries
Before providing a quotation, mould inspection report or remediation recommendation, BioSweep® UK may request additional information regarding the affected environment.
Providing clear photographs and background information can help us:
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Better understand the issue
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Identify possible contributing factors
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Recommend appropriate next steps
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Improve quotation accuracy
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Determine whether sampling or inspection may be beneficial
Helpful Photo Examples
To assist with initial assessment, please provide a combination of:
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Wider room photographs
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Close-up affected areas
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Windows, ventilation and surrounding surfaces
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Any visible staining, condensation or water damage
Natural lighting is often most helpful where possible.
✔ Helpful Images




Why this helps:
✔ Shows room layout
✔ Shows severity and spread
✔ Helps assess ventilation and external wall positions
✘ Less Helpful Images
1.Too Close / No Context




Problem:
✘ No indication of room size or spread
✘ Difficult to understand overall conditions
2. Dark / Blurry Images




Problem:
✘ Limits visibility of affected materials
✘ Prevents accurate assessment of extent and source
3. Obstructed Images




Problem:
✘ Difficult to identify mould patterns
✘ Important detail cannot be assessed clearly
PROFESSIONAL NOTE
Where possible, please provide both close-up photographs and wider room images taken in natural lighting conditions.
Include an item for scale
Example:
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ruler
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hand
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door frame
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furniture edge
This helps gauge:
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contamination spread
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severity
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surface area quickly.
Email Your Assessment Information
Submit Your Information
Please email photographs and supporting information including the following information where possible.
Include:
✔ Photographs
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wide room views
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affected areas
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windows and ventilation areas
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visible staining or condensation
✔ Property Information
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postcode
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property type
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occupied or vacant
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number of affected rooms
✔ Background Information
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how long mould has been present
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whether it has returned after cleaning
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any known leaks or water ingress
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any musty odours
✔ Ventilation Information
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extractor fans present?
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operational?
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condensation visible?
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windows regularly opened?
✔ Supporting Documents
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surveys
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damp reports
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previous quotations
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floor plans
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insurance information
Please also let us know if there are any vulnerable people in the property; children, elderly etc.
Understanding the Cause Matters
Recurring mould growth is not always caused by a single factor. Condensation, ventilation limitations, water ingress, building defects and environmental conditions can all contribute to mould growth and poor indoor environmental conditions.
Understanding the history of the issue and the conditions within the property can help support more accurate assessment and recommendations.
For independent guidance relating to damp and mould within rented properties, Shelter provides useful information for both tenants and landlords.
Related Resources
When You're Ready to Email Your Mould Assessment Details...
Please Send Information to info@biosweep.co.uk
