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England · HHSRS · Local Authority Enforcement · Awaab's Law

Housing Health and Safety Rating System (HHSRS) UK 2026, Landlord Guide

How HHSRS assesses housing hazards across 29 categories, the difference between Category 1 and 2 hazards, local authority enforcement powers, and the interaction with Awaab's Law damp and mould obligations from 2026.

8 min readUpdated 6 June 2026Last reviewed: 17 May 2026HHSRSHousing StandardsEnforcementDamp and Mould
Awaab's Law from 6 April 2026

Damp and mould (HHSRS Hazard 1) is now also subject to Awaab's Law in the private rented sector: landlords must acknowledge reports within 14 days, provide a repair plan within 7 days, and begin works within 7 days of the plan.

What is HHSRS?

The Housing Health and Safety Rating System is the statutory framework under Part 1 of the Housing Act 2004 for assessing housing hazards in residential properties. It covers 29 hazard categories grouped across physiological requirements, psychological requirements, protection against infection, and protection against accidents.

The 29 hazard categories (key ones for private landlords)

  • Hazard 1 — Damp and mould growth: The most commonly enforced category. Cold bridging, condensation, rising damp, and penetrating damp all contribute to this hazard
  • Hazard 2 — Excess cold: Properties with EPC F or G ratings are at high risk. Inadequate heating system, poor insulation, or draught infiltration are contributing factors
  • Hazard 8 — Electrical hazards: Old wiring, lack of RCD protection, overloaded circuits — an EICR identifies these independently but HHSRS assesses occupant risk
  • Hazard 18 — Falling on level surfaces: Trip hazards on level floors, including damaged flooring
  • Hazard 21 — Fire: Lack of smoke alarms, obstructed escape routes, inadequate fire doors in HMOs

Enforcement powers

  • Improvement Notice: Most common — requires specified remedial works within a set timeframe. Appealable to the First-tier Tribunal within 21 days
  • Prohibition Order: Prohibits use of the dwelling or part of it. Used where works alone cannot remedy the hazard
  • Emergency Remedial Action: Council carries out works and recovers cost from landlord. Used for imminent serious harm risk
  • Hazard Awareness Notice: Informal notice for Category 2 hazards. Not directly enforceable but creates a formal record
  • Failure to comply with an Improvement Notice is a criminal offence (unlimited fine) or civil penalty up to £30,000

Sources

This guide is accurate as at 6 June 2026. It is provided for information purposes only and does not constitute legal advice.

Frequently asked questions

How is an HHSRS inspection triggered?+

HHSRS inspections are most commonly triggered by a tenant complaint to the local housing authority. They can also be triggered during HMO licence inspections, selective licensing compliance visits, referrals from NHS trusts (e.g. damp-related health presentations), or proactive enforcement programmes. Local authorities have a right of entry under the Housing Act 2004 with reasonable notice.

What is the difference between Category 1 and Category 2 hazards under HHSRS?+

A Category 1 hazard (HHSRS score 1,000 or above) triggers a duty on the local authority to take enforcement action. A Category 2 hazard (score below 1,000) gives the authority a power to act but not a duty. Category 1 findings almost always result in a formal notice.

Templates recommended in this guide

Found a gap or disagree with something?

Reply to any LetSafe email or write to Richard@letsafeuk.co.uk. We rewrite guides when we get something wrong, the sooner we hear, the sooner we fix it.

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