Understanding HHSRS Hazard 2: Excess cold

Gemma Nettle

By Gemma Nettle

05 December 2025

The weather outside may be frightful, but the cold temperatures indoors can be just as damaging as temperatures outdoors. Property managers must prepare for dangerous conditions caused by plunging temperatures. Excess cold is a hazard just like anything else on The Housing Health and Safety Rating System (HHSRS) list, which is why it pays to have read up on the subject. 

Learn how agents can beat the cold and keep their tenants warm by exploring the hazard that is excess cold and how property managers can better identify and prevent it in their rented properties.

Understanding HHSRS Hazard 2- Excess cold

 

What is excess cold?

Excess cold is a hazard under the HHSRS. The HHSRS is a risk assessment tool used to evaluate potential hazards in residential properties and it helps local authorities identify and address risks to the health and safety of occupants. 

The HHSRS operating guidance defines the hazard as: “Threats from excessively low indoor air temperatures”. While the legal definition is somewhat open, a healthy indoor temperature for general wellbeing is widely considered to be 18°C to 21°C. Temperatures significantly below this, especially for long periods, can be classified as excessive cold and pose a severe risk to tenants.

We have another blog all about excess heat. Check it out here!

 

Which properties are most at risk?

Properties that are poorly insulated are most at risk, such as those that were built before modern insulation standards and are often much harder to heat efficiently. Plus, properties with broken or inefficient heating, so a boiler breakdown will mean rooms aren’t warmed adequately. Also at risk are properties with severe damp and drafts through things like cracked window panes, ill-fitting doors, or insufficient loft and wall insulation.

 

Health issues caused by excess cold

Excess cold is a serious threat to a tenant's health, impacting both the respiratory and cardiovascular systems. It can cause symptoms of the flu, bronchitis and pneumonia, as well as strokes and heart attacks. 

It can lower the body's resistance to infection, exacerbate conditions like arthritis, and lead to mental health issues due to discomfort and stress.

 

How to deal with excess cold

The key to dealing with excess cold is a combination of effective heating, insulation, and general maintenance.

 

Illustrative Icon_Tools Maintenance and prevention

Ensure all heating systems are regularly serviced, maintained, and functioning correctly to provide temperatures within the healthy 18-21°C range. Also, invest in adequate loft, wall, and floor insulation. Simple draft-proofing around windows and doors can make a substantial difference. 

Sometimes, extreme cold weather can freeze locks. Rather than getting a late night call from a tenant locked out of their home, a pre-emptive spray with lubricant will prevent sticking. While you’re at it, address any causes of damp, as damp air is much harder to heat and contributes to the feeling of cold.

 

Illustrative Icon_Customer Centric-1Resident engagement

Ensure tenants know how to operate the heating system and encourage them to set the thermostat to a healthy, consistent temperature. Provide tenants with information on energy efficiency and potential governmental support or grants to help with heating costs, which can prevent them from turning off the heat to save money.

 

Illustrative Icon_Chat copy 10-1 It's a legal obligation

It’s worth conducting a thorough risk assessment, especially for older properties or those with signs of poor insulation.

 

Final thoughts

As the temperatures continue to drop, it's clear that excess cold is a serious and often underestimated hazard for properties. Staying informed and prepared is key to keeping tenants safe and comfortable, ensuring properties remain warm and compliant. 

Want to know more about the HHSRS and its hazards? Here is our guide to all 29. 

Gemma Nettle

When Gemma is not writing at work, her main hobby is writing at home. Entertainment is her bag, lapping up every new film and TV series with ferocity. She is always on the lookout for a new pastime, having experimented with dance, baking and bass guitar.

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BLOG DISCLAIMER

This article is intended for information purposes only and does not constitute legal advice. If you have any questions related to issues in this article, we strongly advise contacting a legal professional.
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Gemma Nettle

By Gemma Nettle

05 December 2025

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