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Call us on 0207 305 5997Arrange your damp specialist
Call us on 0207 305 5997Arrange your damp specialist
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Biological, Organic Contamination and Odour Detection Testing

Description: A specialised environmental diagnostic service designed to detect and verify biological residues and organic contamination across residential and commercial buildings. Depending on the nature of the suspected contamination, samples are extracted using sterile surface swabs, targeted material recovery, or specialised analytical techniques before submission to an accredited laboratory for evaluation.

Value: Delivers forensic laboratory confirmation of biological matter and organic residues that remain completely undetectable through visual surveys alone. Independent scientific testing provides uncompromised evidence regarding bodily fluids, waste ingress, bacterial proliferation and animal contamination, ensuring property managers, prospective purchasers and legal advisers obtain an impartial diagnosis of internal sanitary conditions.

Price £699 + VAT

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Gloved hand swabbing mould growth on a skirting board beside an ATP testing device Gloved hand holding a sterile bacterial swab tube used for biological contamination testing ATP testing meter, swabs and sampling kit laid out in its carry case ATP testing meter showing a reading beside a results table on a laptop

Testing categories can include:

  • Human bodily fluids: Blood and suspected blood residues; urine and urine residues; semen and suspected semen residues; saliva and saliva residues; and other suspected bodily fluids (subject to laboratory capability).
  • Human waste and associated contamination: Faecal matter and suspected faecal residues; biological residues associated with human waste; and laboratory indicators of faecal contamination where test protocols exist.
  • Animal waste and biological residues: Droppings and faecal matter from pests or domestic animals; urine residues; animal bodily fluid residues (subject to laboratory capability); and biological matter linked to animal activity within sub-floors and roof spaces.
  • Bacterial contamination: General bacterial presence; specific bacterial indicators associated with sewage or greywater ingress; and targeted bacterial organisms where laboratory testing is available.
  • Other biological and organic residues: Suspected organic deposits on masonry, timber, or floor coverings; residues resulting from human or animal occupation; and mixed biological matter that cannot be verified by eye.

This service can be beneficial when:

  • A property has experienced soil pipe breaches, drainage overflows, or escape of blackwater.
  • Pervasive, foul, or unexplained organic odours persist despite cleaning efforts.
  • Sub-floor voids or roof spaces exhibit suspected rodent, avian, or pet contamination.
  • Certified sanitary evidence is required following tenant eviction, long-term property neglect, or trauma incidents.
  • Objective laboratory verification is needed to determine decontamination requirements before purchase or lease.

Note: The exact sampling method is determined by the suspected material, the substrate investigated and the required depth of laboratory analysis. As an independent surveying company, all findings are fully objective and completely free from any financial connection to cleaning or restoration contractors.

Price £699 + VAT

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Survey Levels & Package Specifications

Select Your Survey

Level 1

Standard Damp Survey

Standard price: £299 + VAT

Promotional Price: £199 + VAT (Limited Time Offer)

Offer ends in--Days--Hours--Mins--Secs

The Level 1 Damp Survey is a basic damp inspection designed to check the main accessible areas of the property for damp, leaks
and visible moisture-related issues.

Equipment Included

  • Damp meter

What Is Included

  • Inspection of walls
  • Inspection of floors
  • Inspection of ceilings
  • Leak inspection of drains and plumbing
  • Damp information and prevention guide

Best For

This survey is best for customers who need a basic damp check where only a damp meter is used. It is most suitable for simple

damp concerns, such as suspected rising damp, visible damp patches, minor moisture concerns or a general check of accessible
areas.

The Level 1 Damp Survey is suitable where the customer wants a straightforward inspection of walls, floors, ceilings, drains and
plumbing without the use of advanced survey equipment.

Level 2

Detailed Damp & Timber Survey

Standard price: £399 + VAT

Promotional Price: £299 + VAT (Limited Time Offer)

Offer ends in--Days--Hours--Mins--Secs

The Level 2 Damp Survey includes everything in the Level 1 survey, with additional timber decay inspections and deeper
moisture testing.

Equipment Included

  • Damp meter
  • Deep-penetration damp meter for all building materials
  • Non-invasive moisture detection equipment

What Is Included

  • Inspection of walls
  • Inspection of floors
  • Inspection of ceilings
  • Leak inspection of drains and plumbing
  • Dry rot inspection
  • Wet rot inspection
  • Woodworm inspection
  • Deep moisture detection in building materials
  • Non-invasive moisture testing under floorboards and subfloors where accessible
  • Damp information and prevention guide

Best For

This survey is best for customers who need a damp and timber inspection. It is suitable where there may be concerns about damp,

wood rot, dry rot, wet rot, woodworm or moisture hidden behind building materials.

The Level 2 Damp Survey uses equipment that can read deeper into building materials, including areas such as subfloors, under
floorboards, behind panelling and other accessible hidden areas. This allows us to get a better understanding of whether there may
be hidden damp within the property without dismantling or damaging materials.

This survey is very suitable for home buyers and sellers who want a more detailed damp inspection before purchasing or selling a
property.

Level 3

Advanced Building Moisture Survey

Standard price: £499 + VAT

Promotional Price: £399 + VAT (Limited Time Offer)

Offer ends in--Days--Hours--Mins--Secs

The Level 3 Damp Survey is our most detailed survey. It includes everything in the Level 1 and Level 2 surveys, with additional
advanced equipment and a wider inspection of the property.

Equipment Included

  • Damp meter
  • Deep-penetration damp meter for all building materials
  • Non-invasive moisture detection equipment
  • Thermal imaging camera
  • Air humidity sensor
  • HD borescope inspection camera
  • Airflow and ventilation detector
  • 4K drone
  • Electrical socket and RCD circuit tester

What Is Included

  • Inspection of walls
  • Inspection of floors
  • Inspection of ceilings
  • Leak inspection of drains and plumbing
  • Dry rot inspection
  • Wet rot inspection
  • Woodworm inspection
  • Deep moisture detection in building materials
  • Non-invasive moisture testing under floorboards and subfloors where accessible
  • Thermal imaging inspection
  • Air humidity testing
  • HD borescope camera inspection
  • Brickwork pointing inspection
  • Damp proof course inspection (DPC)
  • Ventilation flow test on extractor fans
  • 4K drone imagery
  • Roof inspection
  • Chimney stack inspection
  • Guttering inspection
  • Structural condition inspection
  • Basic electrical socket and RCD circuit test

Best For

This survey is most suitable for home buyers, sellers and property owners who want the most thorough damp inspection available. It is ideal where there are concerns about damp, leaks, mould, condensation, ventilation issues, timber decay, hidden moisture, roof defects or general property condition.

The Level 3 Damp Survey covers all key areas of the property, including walls, floors, ceilings, ventilation, drains, plumbing, timber, hidden areas and roof-level defects. It is designed to identify damp and moisture-related issues that may not be visible during a basic inspection.

This survey is especially useful for buyers and sellers because it includes a 4K drone inspection of the roof, chimney stack, guttering and other high-level external areas. Roof defects are one of the most expensive hidden issues in a property, and many roofs, chimney stacks and guttering systems are not 100% perfect.

The extra cost of this survey can often be recovered if a roof, chimney, guttering or high-level defect is found before purchase. Even a small issue found on the roof can cost more than the difference between survey levels. Roof problems cannot usually be ignored, as water ingress from above can lead to serious damp, timber decay, internal staining, mould and ongoing property damage.This survey is best for customers who want a detailed, evidence-based inspection before making decisions about buying, selling, repairing or maintaining a property.