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Landlord glossaryTenant rights

HHSRS (Housing Health and Safety Rating System)

The system councils in England use to assess hazards in homes under the Housing Act 2004. It covers 29 hazards, from damp and mould to falls on stairs. A Category 1 hazard is the most serious, and the council must take enforcement action, such as an improvement notice or a prohibition order.

Reviewed by Erdem VolkanLast reviewed 16 September 2026How we check facts

Hazard categories
29
Category 1
Serious + triggers enforcement powers
Enforcement
Improvement notices, prohibition orders, emergency works

Why it matters

What HHSRS (Housing Health and Safety Rating System) means for a landlord

HHSRS is how a council decides whether a home is safe, and a Category 1 finding obliges it to act. Damp and mould, excess cold and falls are among the hazards that most often lead to enforcement in rented homes. It already applies to private lets, whatever happens with the Decent Homes Standard or Awaab’s Law, so it is the framework to manage against today.

Worked example

How it plays out

A council officer inspects a rented house in Blackpool after the tenant complains of the cold. The loft has no insulation, the boiler is unreliable and the bedrooms stay very cold in winter. The officer scores excess cold as a Category 1 hazard, so the council must act, and it serves an improvement notice setting out the work and a deadline. Fixing the boiler and insulating the loft before the deadline ends the matter; ignoring the notice is an offence.
An illustrative example. Names, places and figures are made up.

Common mistakes

Where landlords go wrong

  1. 01Treating HHSRS as a certificate you can obtain, when it is the council’s assessment of the home as it is.
  2. 02Ignoring cold, damp and trip hazards because they are not on a certificate list.
  3. 03Waiting for a council inspection to find out a hazard is serious.

What to do

A short checklist

  • Walk each property with the main hazards in mind: damp and mould, cold, fire, electrics and falls.
  • Fix the cause of damp, not just the mould.
  • Keep a record of the work done and when.

Sources

Checked against these sources on 16 September 2026. A guide to the rules in England, not legal advice: for a dispute or a possession claim, speak to a solicitor.