Trusted by leading organisations across housing, commercial & public sectors.
Independent Moisture & Mould Specialists
JAG is an independent consultancy specialising in the investigation of damp, mould and moisture issues in buildings.
We work with landlords, housing providers, facilities managers and commercial organisations who need clear answers, reliable reporting and a professional approach where compliance, risk and liability are involved.
Our role is simple: to understand what is actually happening within a building — and explain it clearly.
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Identifying the true source of the problem
Understanding how moisture is behaving within the building
Providing clear, evidence-based conclusions
Supporting long-term resolution — not short-term fixes
Why We Exist
Moisture issues are often misunderstood.
Too often, problems are treated at surface level — repainted, cleaned, or temporarily resolved — without properly identifying the cause. This leads to repeat issues, rising costs and growing frustration for everyone involved.
We take a different approach.
As moisture and mould specialists, we focus on:
Who We Work With
We support clients responsible for managing property condition, compliance and risk, including:

Housing providers and local authorities
Private landlords and letting agents
Facilities and estate management teams
Commercial property owners and operators
High-value residential clients
Each client comes to us for the same reason — they need clarity and confidence in how to move forward.
Our Approach

Every project is built around a structured process designed to deliver clear outcomes:
- Detailed on-site investigation
- Moisture and environmental analysis
- Building fabric evaluation
- Clear diagnosis of the issue
- Professional reporting with practical recommendations
This approach ensures that our findings are not only accurate, but also useful, actionable and defensible.
Independent & Trusted
As an independent consultancy, our advice is not influenced by contractor work or remedial services.
This allows us to provide:
Unbiased recommendations
Clear accountability
Reports suitable for compliance, legal and insurance use
Clients trust us because we provide straightforward answers without unnecessary complication.
Suitable for compliance, legal and insurance use.
JAG operates within recognised quality, technical and procurement frameworks. Our reports are written to evidential standard and routinely relied upon by housing providers, insurers and legal teams.
Independent — no remediation contracting conflict
Authored by experienced specialists
Defensible methodology and chain of evidence
Covering key cities across England & Wales — with portfolio coverage nationwide on instruction.
Portsmouth
Southhampton
Oxford
Birmingham
Bristol
Brighton
Winchester
London & the Home Counties
Cardiff
Swindon
About Our Independent Damp Specialist Team
Independent, evidence-based damp, mould and condensation specialists trusted across homes, rentals, care environments, commercial environments and social housing.
At JAG, our mission is simple: to help people live and work in healthier properties safely, confidently and without unnecessary disruption. We provide clear, independent damp and mould surveys, practical advice, and safe treatment solutions that people can genuinely trust.
For homeowners, landlords, housing associations, care homes and commercial property managers, we bring something refreshing to an industry that’s often confusing, inconsistent, or overly sales-driven.
Honest expertise, clear communication and zero upselling.
We exist to give people clarity when they’re worried, reassurance when they’re uncertain, and practical steps they can act on straight away.
Independent by Design
Most companies offering “damp surveys” are really providing quotes that steer customers toward expensive treatments. JAG was built differently. Our surveys are completely independent, meaning every recommendation is based on evidence, not sales targets.
You’re free to use any contractor you choose, and you’ll still have a clear schedule of works to follow. This transparency is one of the biggest reasons customers trust us.
Advanced Diagnostics, Clear Findings
Whether you’re dealing with condensation, black mould, a damp patch, leaks, or a long-term mystery issue, our surveyors use the right tools to get it right the first time:
Thermal Imaging
Moisture Mapping
Ventilation Assessment
Building fabric evaluation
Relative Humidity and Dew Point Readings
Every survey ends with a clear, plain-English report within 72 hours — including photos, findings, and actionable recommendations.
We explain what’s happening, why it’s happening, and how to fix it in a way that feels achievable, not overwhelming.
Safe, Non-Toxic Mould Treatment
When mould needs to be removed, we use COSHH-free, non-toxic treatment products — safe for children, pets, elderly residents and people with asthma. The treatment is strong but without the harsh chemicals many competitors use that can damage surfaces or irritate airways.
Where needed, we can apply Hale Defence + medical-grade coatings with antimicrobial, antiviral and antibacterial properties, offering added surface protection as part of a wider remedial approach.
Our aim is always the same: treat mould safely, effectively, and ethically — without cosmetic quick-fixes.
Repairing The Root Cause
Mould is the outcome, not the cause. That’s why JAG also provides Damp and Mould Services, fixing the underlying issues behind damp and mould. These works follow the report exactly with no guesswork, or unnecessary extras.
Repairs can include:
This evidence-based approach dramatically reduces miscommunication and repeat visits.
Trusted by G15 Housing Providers & Care Environments
JAG is relied on by organisations that cannot afford mistakes:
Housing associations (Peabody, L&Q, A2Dominion)
Local authorities
Care homes
Student accommodation teams
Private rental portfolios
We’ve surveyed 2,500+ properties in the last two years, proving our ability to scale safely and consistently.
Our COSH-free, low-disruption mould remediation approach is ideal for vulnerable settings such as care homes, where safety and minimal disruption are essential.
Committed to Training, Standards & Innovation
Our team pursues industry-recognised qualifications including:
- IRCRC training
- Dewpoint accreditation
This forward-thinking approach reflects our long-term goal: to raise the standard of damp and mould investigations across the UK.
Why Our Customers Choose JAG
Above all, customers choose us because we help them feel informed, supported and in control again.
Your Property, Made Healthier
Whether you manage a single home or a portfolio, our team brings you clarity, safety, and expertise to every stage of the process.
Book a video call today and feel confident you’re in trusted hands.

