Understanding HHSRS Hazard 13: Lighting
As the sun continues to set before many have even finished the working day, the importance of adequate lighting becomes impossible to ignore. In January, when daylight is at its scarcest, property managers must be vigilant. Inadequate lighting 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 brighten up their portfolios and keep their tenants safe by exploring the hazard that is inadequate lighting.

What is lighting?
Lack of lighting is a hazard under the HHSRS. The HHSRS is a risk assessment tool used to evaluate potential hazards in residential properties, helping local authorities identify and address risks to the health and safety of occupants.
The HHSRS operating guidance defines the hazard as: “Threats to physical and mental health associated with inadequate natural and/or artificial light.” This includes both the lack of enough light to perform tasks safely and the presence of glare, which is the intense light that causes discomfort or visual impairment.
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Which properties are most at risk
Properties with small or poorly positioned windows are most at risk, especially basement flats or older conversions where natural light may be obstructed by neighbouring buildings or overgrown vegetation. Plus, properties with outdated or insufficient electrical installations, where there aren't enough light points to illuminate dark corners or stairwells adequately.
Also at risk are homes with deep rooms where natural light cannot reach the rear, and properties with poorly designed communal areas like hallways and landings that lack effective artificial lighting.
Health issues caused by poor lighting
Inadequate lighting is a serious threat to a tenant's health, impacting both physical safety and mental wellbeing. Physically, it is a leading cause of trips and falls, particularly on stairs or in kitchens where task lighting is essential. It can also lead to eye strain and headaches.
Mentally, a lack of natural light is closely linked to Seasonal Affective Disorder (SAD) and depression. Humans require “psychological light” to maintain a healthy circadian rhythm. Without it, tenants may experience lethargy, low mood, and increased stress.
How to deal with lighting
The key to dealing with lighting is a combination of maximising natural light, providing robust systems, and regular maintenance.
Maintenance
Ensure all windows are kept clean and that any external obstructions, such as overgrown trees or bushes, are trimmed back to allow daylight to enter the property. Ensure that all artificial lighting is functioning correctly, with a particular focus on high-risk areas such as stairs, entrance halls, and kitchens.
Resident engagement
Ensure tenants are aware of the appropriate bulbs for the fixtures provided and encourage them to report any flickering lights or failed external sensors immediately. Provide tenants with information on the importance of natural light for health, perhaps suggesting the use of sheer curtains instead of heavy blinds during the short daylight hours of January.
It's a legal obligation
It’s worth conducting a thorough risk assessment, especially for basement dwellings or properties with internal "landlocked" rooms. Local authorities look specifically at whether there is enough light for a person to see their way and perform domestic tasks without strain.
Final thoughts
As we navigate the darkest month of the year, it's clear that a lack of lighting is a serious and often underestimated hazard for properties. Staying informed and prepared is key to keeping tenants safe and comfortable, ensuring properties remain bright, welcoming, and compliant.
💡Want to know more about the HHSRS and its hazards? Here is our guide to all 29.
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