Tackling Damp and Mould: A Persistent Issue in UK Housing

Lucy Day

Marketing & Communications Executive

6 December 2024

Damp and mould. We’ve all heard about it, many of us have seen it, and far too many are living with it. It’s not just a cosmetic or comfort issue—it’s a real problem with serious consequences for health, property value, and tenant satisfaction. Even in 2023, a staggering 4% of households across the UK reported issues with damp. The private rented sector (PRS) was hit hardest, with 11% of homes affected. These figures highlight an ongoing challenge for landlords, property managers, and developers across all sectors to step up with proactive solutions to safeguard tenants and properties alike.

What’s Causing the Problem?

Damp arises from a mix of factors, ranging from structural issues and poor insulation to lifestyle habits like inadequate ventilation. When indoor humidity levels consistently sit above 60%, damp often leads to mould growth. The implications are far from trivial. Research suggests mould exposure worsens respiratory illnesses, particularly affecting vulnerable groups like children, the elderly, and those with pre-existing conditions. In fact, as many as 50% of asthma sufferers in damp homes report exacerbated symptoms.

For social housing tenants, the challenge can be even more acute due to aging housing stock. Updating these properties to meet Decent Homes standards remains a priority. Meanwhile, the burgeoning Build-to-Rent (BTR) sector has its own task: balancing rapid development with tenant expectations for sustainability and compliance with regulatory requirements.

Why It Matters

Living in damp conditions doesn’t just damage walls—it can damage lives. Mould-related health issues, such as asthma and allergies, place additional pressure on the NHS. A report from the UK Health Security Agency highlights a direct link between long-term exposure to damp and a rise in GP visits and hospital admissions.

And then there’s the financial cost. Left unchecked, damp can lead to expensive repairs, from structural damage to ruined furnishings. For landlords, this also means potential loss of rental income, either through vacancies or compensation claims.

Practical Solutions: Prevention and Management

So, what can be done to tackle damp and mould effectively? The good news is that there are proven strategies:

Improved Ventilation: Installing mechanical ventilation systems or extractor fans can help combat condensation, one of the most common causes of damp.
Upgraded Insulation: Using modern insulation materials reduces temperature differences, minimising condensation risk. This is especially critical for older properties.
Regular Maintenance: Early detection and repair of leaks or drainage issues can stop damp from spreading.
Tenant Education: Encouraging small changes, like drying clothes outdoors or covering pots when cooking, can make a big difference in keeping humidity levels down.

Looking Ahead: A Smarter, More Sustainable Approach

As the housing sector evolves, so must the tools and strategies used to combat damp and mould. Investing in preventative infrastructure—think smart humidity sensors and advanced dehumidification systems—is no longer a nice-to-have; it’s becoming essential.

For landlords and developers, taking proactive steps isn’t just about meeting legal or regulatory requirements. It’s about protecting assets, enhancing tenant satisfaction, and fostering healthier living environments. And for tenants, it’s about ensuring that their homes feel like a sanctuary—not a source of stress.

The bottom line? Tackling damp and mould head-on is a win for everyone involved. It’s time to take action, one well-ventilated room at a time.