Mould Assessment Checklist
Help us understand the property, extent of the mould and what may be contributing to it, so we can advise on the appropriate next steps and prepare a more accurate quotation.
Before providing a quotation, mould inspection report or remediation recommendation, BioSweep UK may request additional information about the property, affected areas and circumstances surrounding the mould growth.
Providing clear photographs and background information can help us:
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Understand the extent and location of 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
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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
✘ Makes it difficult to assess the extent and affected materials
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.
Information to Include With Your Mould Enquiry
Please provide as much of the following information as possible. You do not need to have every answer, the details simply help us understand the property, affected areas and likely scope before advising on the most appropriate next steps.
Property Details
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Full property address and postcode
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Property type - house, flat, bungalow, commercial premises etc.
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Approximate property size - floor area or cubic metres (m³), if known
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Number of floors
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Is the property currently occupied?
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Is the property owned, rented, managed or subject to an insurance claim?
Tell Us About the Mould
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Which rooms or areas are affected?
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Where is the mould visible? – walls, ceilings, windows, behind furniture, inside cupboards, loft, flooring etc.
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Approximately how large is the affected area?
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How long has the mould been present?
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Is it getting worse, spreading or recurring?
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Are there any unusual or musty odours?
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Are any materials visibly damaged or deteriorating?
What Happened Before the Mould Appeared?
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Has there been a leak, flood, escape of water or other water-related incident?
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If so, when did it happen and has the source been repaired?
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Has the property undergone professional drying?
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Have any damp, moisture or building investigations been carried out?
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Are there known issues with condensation, ventilation or heating?
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Has any building work or refurbishment taken place recently?
Previous Cleaning or Treatment
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Has the mould previously been cleaned, treated or painted over?
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Has any affected material already been removed?
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Have any previous mould, air-quality or moisture tests been undertaken?
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If available, please send copies of previous reports, laboratory results or contractor findings.
What Support Do You Need?
Please tell us what you are looking to achieve. For example:
Mould assessment / environmental sampling / mould remediation / post-treatment verification / quotation for insurance or property management purposes / advice on appropriate next steps.
Photographs to Send
Please include clear photographs showing:
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The whole room or affected area
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The location of the mould within the room
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Closer images showing the visible growth or affected materials
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Any visible water staining, damage or deterioration
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Any relevant areas outside the property where a leak, roof, guttering or other issue may be suspected
Where possible, take photographs before cleaning or disturbing the affected area.
For independent guidance relating to damp and mould within rented properties, Shelter provides useful information for both tenants and landlords. Read Shelter's Damp & Mould Guidance
Ready to Send Your Mould Enquiry?
Once you have gathered the information and photographs above, email them to our team. We will review what you have provided and advise on the appropriate next steps and, where possible, prepare a quotation.