Sysco Environmental logoSyscoEnvironmental
    For housing, healthcare, schools and commercial premises

    Distinguish what's growing from what's just stained. Sample. Identify. Remediate.

    Mould and damp investigations combining moisture mapping, spore-trap air sampling, tape-lift surface analysis and a remediation plan — robust enough for housing-disrepair and Awaab's Law cases.

    Request a mould investigation 0800 433 7914NewInstant Quote — price your home survey in minutes
    • UK-wide since 2013
    • Independent assessments
    • ISO 9001 accredited
    • Practical control advice

    What this means for you

    Evidence you can act on and defend.

    • Measured exposure evidence

      Data suitable for HSE, insurers and audits.

    • Independent assessment

      Occupational hygiene review of real exposure risk.

    • Practical control recommendations

      Prioritised actions based on risk and operational practicality.

    • Compliance support

      Evidence to support COSHH and internal governance.

    Speak with a mould and damp specialist

    0800 433 7914

     sales@sysco-env.co.uk

    Mon–Fri · 08:00–18:00 · Independent advice · Fixed-price scope

    Typical response: same working day

    Minimal operational disruption
    Sampling during normal activities
    Clear fixed scope before attendance
    Action-focused reporting

    What happens next

    Most mould investigations are completed in one visit.

    We attend, map moisture, sample air and surfaces, find the cause and return a clear, prioritised remediation plan within agreed timescales.

    No unnecessary disruption. No generic paperwork. No unnecessary complexity.

    • Whether exposure is controlled

      A clear yes or no, backed by measurement.

    • Where the highest risks are

      Locations, tasks and roles ranked by exposure.

    • What actions matter most

      A prioritised plan you can budget and schedule.

    Accredited
    ISO 9001 Registered Company
    Members of
    British Occupational Hygiene Society (Affiliate Member)ConstructionlineCHAS Accredited ContractorSafeContractor Approved
    Testing Competency
    AIHA Proficiency Analytical Testing Programs

    What you get

    Four answers. One clear plan.

    You need to know what your workforce is exposed to, whether your controls are effective, what actions matter most, and how to demonstrate control confidently.

    That is exactly what we deliver.

    01

    Identify what's there

    Spore-trap counts and tape-lift identification of genus — Aspergillus, Penicillium, Stachybotrys and others.

    02

    Find the moisture

    Surface moisture meters, hygrometric inspection, thermal imaging and IAQ logging to find the cause.

    03

    Health-based interpretation

    Results interpreted against indoor / outdoor ratios and occupant health guidance.

    04

    Remediation plan

    Stepped remediation — source removal, drying, decontamination, and ventilation upgrade.

    Typical environments·Social housing·Property management·Healthcare estates·Schools·Universities·Hospitality·Insurance claims

    Why clients call

    If any of this sounds familiar, you're in the right place.

    1. 01

      An auditor is asking

      HSE, your insurer or a client wants evidence — not assurances

      We provide measured mould and damp data and a clear technical report that resolves the issue quickly.

    2. 02

      Your team is worried

      Operatives are reporting concerns or symptoms

      We attend site, quantify workforce exposure and provide clear evidence of current risk levels.

    3. 03

      You suspect a problem

      You know there's a risk and you want measured data before it becomes a crisis

      We quantify exposure, assess it against current limits and provide a prioritised corrective action plan.

    What we answer for you

    Three questions, settled.

    Where your people are exposed
    We map the tasks, areas and shifts where mould and damp matters, then sample what your team actually breathes — not a generic site average.
    Whether your controls are working
    An independent review of your LEV, ventilation, PPE and work practices — what is effective and what requires improvement.
    What you need to fix first
    A prioritised, costed action list — the smallest set of changes that gets you compliant and measurably safer.

    How we work with you

    From your first call to your action plan.

    1. 1

      We listen first — your site, your concerns, your deadline.

    2. 2

      We walk the workplace with your team to see exposure as it actually happens.

    3. 3

      We sample on the people most at risk, using validated occupational hygiene methods for mould and damp.

    4. 4

      We assess your existing controls honestly — what's working, what isn't.

    5. 5

      You receive a clear technical report suitable for operational, compliance and regulatory readers.

    6. 6

      We hand you a prioritised action plan you can budget, schedule and defend.

    Typical survey outputs

    What you receive at the end of the engagement.

    • Moisture mapping
    • Hygrometric data
    • Indoor / outdoor spore ratios
    • Genus identification
    • Cause-of-moisture diagnosis
    • Stepped remediation plan
    • Drying verification protocol
    • Defensible report

    Client testimony

    “Sysco's mould report and remediation plan held up under formal housing-disrepair scrutiny — defensible and clear.”

    — Asset compliance lead

    UK housing association

    Typical environments we assess

    Wherever mould and damp risk affects your people.

    • Residential & social housing
    • Healthcare facilities
    • Schools & universities
    • Hotels & hospitality
    • Commercial premises
    • Post-flood / leak environments

    Background

    Mould and damp, in detail.

    Why mould grows

    Mould grows where there is moisture, oxygen, a substrate (almost any organic material) and a hospitable temperature. Almost all indoor mould problems are moisture problems — condensation, leaks or rising/penetrating damp. Removing the visible mould without addressing the moisture source guarantees regrowth.

    How we investigate

    Visual inspection with surface moisture meters, hygrometric data logging in occupied space, optional thermal imaging for cold-bridge and leak detection, spore-trap air sampling indoors and outdoors for ratio comparison, and tape-lift / swab sampling of any visible growth for genus identification.

    Awaab's Law and housing disrepair

    Following the death of Awaab Ishak, social landlords face enhanced statutory duties to investigate and remediate mould and damp within prescribed timescales. Our investigations are scoped and documented to support compliance and to be defensible in housing disrepair claims.

    Remediation principles

    Address the moisture source first; remove or decontaminate affected materials under appropriate containment; dry thoroughly with verification; restore the building fabric; and improve ventilation to prevent recurrence. Unverified DIY treatments routinely fail.

    Related services

    Often assessed alongside mould and damp.

    01

    Mould genus ID

    Microscopy and culture identification of mould genera.

    Explore     02

    Spore-trap analysis

    Accurate spore counts from Air-O-Cell and similar cassettes.

    Explore     03

    Tape-lift analysis

    Surface contaminant identification by microscopy.

    Explore     04

    Workplace IAQ

    Multi-parameter IAQ assessment for occupied buildings.

    Explore

    Common questions

    Mould and Damp — FAQs.

    Quick answers to the questions we hear most from operations, HSE and procurement teams.

    Do you investigate housing-disrepair cases?
    Yes — our reporting is structured to be defensible in housing disrepair and Awaab's Law contexts.
    Spore counts vs swab sampling — which do I need?
    Air sampling tells you what occupants are exposed to; surface sampling tells you what's growing where. Often both are useful.
    Do you cover post-flood remediation oversight?
    Yes — including drying verification and clearance sampling.
    Can you also assess CO₂ and ventilation?
    Yes — typically combined with the mould investigation in a single visit.
    Health surveillance referral?
    We can liaise with occupational health where workforce exposure is suspected.
    Where in the UK?
    Nationwide UK coverage.

    Videos

    Mould and Damp: The Hidden Risks in Your Property | Sysco Environmental4:27

    Mould and Damp: The Hidden Risks in Your Property | Sysco Environmental

    Mould doesn't create moisture — moisture creates mould. Once you understand that, you start looking at "mould problems" completely differently. The Sysco Environmental team breaks down why mould and damp turn up in every kind of property — brand new, old, clean, or tidy — and what's actually causing it in UK homes, workplaces and public buildings. Covering why mould exists in nature and why it becomes a problem indoors; the most common cause in UK homes, condensation from everyday activities like cooking, showering and drying laundry; rising damp and penetrating damp; a real case study where the "mould problem" turned out to be poorly insulated external walls; the biggest myth about cleaning mould and why it doesn't fix the underlying issue; and how our hygienists and building surveyors diagnose the root cause instead of treating the symptom.

    4:27·Watch on YouTube

    Is Black Mould Dangerous to Your Health? | Sysco Environmental5:42

    Is Black Mould Dangerous to Your Health? | Sysco Environmental

    Black mould is one of the most common — and most misunderstood — issues found in UK homes and workplaces. In this video, Tomas Gabor, Managing Director of Sysco Environmental, answers the question we get asked most: is black mould actually dangerous to your health, and when does it become a genuine risk rather than…

    5:42·Watch on YouTube

    Why Does Mould Keep Coming Back Even After Cleaning It? | Sysco Environmental4:59

    Why Does Mould Keep Coming Back Even After Cleaning It? | Sysco Environmental

    You've scrubbed it away, but the mould always returns — here's why. In this video, Tomas Gabor, Managing Director at Sysco Environmental, explains the real reasons mould keeps reappearing even after you've cleaned it, and what actually needs to change to stop it for good.

    4:59·Watch on YouTube

    What Really Happens During a Professional Mould Investigation? | Sysco Environmental7:53

    What Really Happens During a Professional Mould Investigation? | Sysco Environmental

    Ever wondered what a mould survey actually involves? Here's the full process, step by step. Tomas Gabor, Managing Director at Sysco Environmental, walks through exactly what happens when a professional comes to investigate mould in your property, from the initial visual inspection through to the final report.

    7:53·Watch on YouTube

    Do I Need Mould Testing? Here's How to Know9:18

    Do I Need Mould Testing? Here's How to Know

    Wondering if you actually need mould testing, or if it's something you can assess yourself? Tomas Gabor, Technical Director at Sysco Environmental, breaks down when professional mould testing is worth it, what it involves, and what to do if you spot mould in your property.

    9:18·Watch on YouTube

    Mould in Homes: Causes, Health Risks & How to Identify Hidden Damp Problems7:30

    Mould in Homes: Causes, Health Risks & How to Identify Hidden Damp Problems

    Mould growth in homes is more than just an appearance issue. It can indicate underlying dampness, ventilation problems, condensation issues, water ingress, or hidden building defects that may affect both property condition and occupant wellbeing.

    7:30·Watch on YouTube

    Worried About Mould in Your Property?0:45

    Worried About Mould in Your Property?

    Mould isn’t just unsightly — it’s a serious health hazard that can affect respiratory health, damage property, and breach UK housing and workplace standards. At Sysco Environmental, we specialise in professional mould surveys and testing, helping you detect hidden contamination and take the right steps to remediate…

    0:45·Watch on YouTube

    Speak with a mould and damp specialist

    Tell us where it's growing. We'll scope the investigation.

    Tell us

    • building type and rooms affected,
    • how long the issue has persisted,
    • any health concerns reported,
    • and your reporting deadline.

    We will provide

    • a clear scope,
    • fixed quotation,
    • proposed attendance strategy,
    • and expected reporting timeframe.
    Request a mould investigation 0800 433 7914

    Send us a brief

    Outline the sites, tasks and timelines of concern — we'll reply with a clear scope and fixed quotation.

    sales@sysco-env.co.uk 0800 433 7914
    Response within one working day
    UK-wide site coverage
    Fixed-price scope, no obligation
    Mon–Fri · 08:00–18:00

    From the field

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