In England, 93% of households reported a working smoke alarm in 2024/25. Yet no alarm was present at 23% of attended dwelling fires in 2025/26. This page brings together the official ownership, testing and incident figures, distinguishing household survey responses from what firefighters recorded at incidents. Sources are listed at the end.
Key facts and figures
- 93% of households in England self-reported a working smoke alarm in 2024/25; working status was not independently verified.
- 23% (6,026) of dwelling fires in England in 2025/26 had no smoke alarm present.
- 24.2% of self-reported working alarms were recorded as never tested in the 2024/25 England household survey table.
- 48% (12,519) of dwelling fires in 2025/26 had an alarm that operated and raised the alarm.
- 24% (44) of England’s 184 dwelling-fire deaths in 2025/26 occurred where no alarm was present.
- 19% (4,924) of dwelling fires in 2025/26 had an alarm present that did not operate.
- 49% of failure-to-operate reasons in dwelling fires were that fire products did not reach the detector, in 2025/26.
- 1 October 2022 — England’s smoke-alarm requirements were extended to relevant social rented homes; specified tenancy rules and exemptions apply.
Checked on 15 October 2026. Incident figures cover England in 2025/26; the latest household survey figures in FIRE0701 cover 2024/25. Percentages are rounded and describe different populations.
How many homes in the UK have smoke alarms?
About 93% of households in England reported having a working smoke alarm in 2024/25, compared with 92% in 2023/24. The English Housing Survey supplies these figures to MHCLG table FIRE0701.
This is self-reported ownership: the alarm’s working condition is not verified. It does not measure whether every room has suitable coverage or whether an alarm would alert everyone during a fire.
FIRE0701 covers household ownership and testing. FIRE0702 onwards describe alarms at attended fires. The two sources answer different questions and should not be combined to imply a precise personal risk without a suitable method.
How many dwelling fires happen with no smoke alarm?
No smoke alarm was present at 6,026 of England’s 26,180 dwelling fires in 2025/26, or 23%. The revised preceding-year count was 6,014, around 24% of 25,465 dwelling fires.
There were 44 dwelling-fire deaths where no alarm was present, 24% of all 184 dwelling-fire deaths in 2025/26. England recorded 254 fire-related deaths across all locations that year.
In other buildings, no alarm was present at 46% of fires (6,330), and at incidents accounting for 13 of 17 deaths. These figures do not establish a legal breach in every case: fire-detection provision must be appropriate to the premises and its risk assessment under the relevant legislation.
How much more likely are you to die without a working smoke alarm?
Working smoke alarms provide an early warning that can help people escape. The official incident table records alarm presence and operation at attended fires; it does not measure each household’s underlying probability of a fatal fire.
Counts of deaths at attended fires cannot by themselves establish an individual risk multiplier. A reliable comparison also needs a compatible population measure, a defined time period and consideration of differences between households.
The practical advice remains to fit appropriate alarms, test them regularly, replace defective units and plan how to escape. An alarm sounding does not guarantee that every occupant will hear it or be able to leave without help.
Why do smoke alarms fail to raise the alarm?
In 2025/26, alarms operated and raised the alarm at 48% of England’s dwelling fires. They operated without raising the alarm at 10%, were present but did not operate at 19%, and were absent at 23%. The 48% uses all dwelling fires as its denominator, including homes with no alarm.
Among recorded reasons for alarms not operating, 49% were that smoke or heat did not reach the detector and 17% were that the fire was outside the area covered. These are not all hardware faults. Appropriate coverage, correct installation and maintenance all matter.
The headline measures are:
| Measure | Figure | Data period |
|---|---|---|
| Households reporting a working smoke alarm | 93% | England, 2024/25; self-reported |
| Dwelling fires with no alarm present | 23% (6,026) | England, 2025/26 |
| Dwelling-fire deaths where no alarm was present | 24% (44) | England, 2025/26 |
| Alarm operated and raised the alarm | 48% (12,519) | England dwelling fires, 2025/26 |
| Alarm present but did not operate | 19% (4,924) | England dwelling fires, 2025/26 |
| Alarm operated but did not raise the alarm | 10% (2,711) | England dwelling fires, 2025/26 |
| Self-reported working alarms never tested | 24.2% | England household survey, 2024/25 |
| Other-building fires with no alarm present | 46% (6,330) | England, 2025/26 |
How often do people test their smoke alarms?
FIRE0701 reports that 24.2% of self-reported working smoke alarms in England were recorded as never tested in 2024/25. A further 4.6% were in the weekly category and 13.7% in the at-least-monthly but less-than-weekly category. This is not a survey of all UK adults.
Test using the alarm’s test button in accordance with its instructions and fire-service advice. London Fire Brigade recommends at least monthly testing. A test helps identify problems but does not prove that smoke from every possible fire location will reach the detector.
How do Scotland and Wales compare?
Fire statistics and housing requirements are devolved, so each nation’s figures and rules should be labelled separately.
In Wales, alarms operated and raised the alarm at 47% of dwelling fires in 2024/25. The October 2026 headline release for 2025/26 defers the detailed smoke-alarm analysis to a later release, so 47% remains the latest published comparison checked here.
Since February 2022 Scotland’s home standard requires interlinked smoke alarms in the room used most and circulation spaces, with a heat alarm in the kitchen. SFRS recorded 36 fire-related deaths in 2024/25. That annual change alone cannot establish the effect of the alarm standard.
What are the smoke alarm rules for landlords?
In England, the Smoke and Carbon Monoxide Alarm (England) Regulations 2015 have required private landlords to provide a smoke alarm on every storey with living accommodation since 1 October 2015. The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022, in force from 1 October 2022, extended the smoke alarm duty to social landlords and added a carbon monoxide alarm requirement for a room used as living accommodation with a fixed combustion appliance (gas cookers excluded). Landlords must check alarms at the start of a new tenancy and repair or replace faulty alarms as soon as reasonably practicable after being informed. The rules cover specified tenancies and contain exemptions; local authorities can impose a penalty of up to £5,000 for non-compliance, according to the GOV.UK guidance for landlords and tenants.
The same 2022 regulations set the carbon monoxide alarm rules — we cover the CO side of the story, including deaths, incidents and alarm ownership, in our carbon monoxide poisoning statistics UK page.
For workplaces and other non-domestic premises in England and Wales, detection duties sit with the Responsible Person under the Regulatory Reform (Fire Safety) Order 2005 — the same role that owns extinguisher provision and staff fire safety training. Our guide to who is responsible for fire extinguishers in the UK sets out how that role works in practice.
Frequently asked questions
How many homes in the UK have smoke alarms?
In England, 93% of households self-reported a working smoke alarm in 2024/25. The survey does not independently verify the alarm’s condition and is not a UK-wide estimate.
What percentage of house fires have no smoke alarm?
In England in 2025/26, 23% of dwelling fires (6,026) had no alarm present. Those incidents accounted for 44 deaths, 24% of dwelling-fire fatalities.
How many times more likely are you to die in a fire without a smoke alarm?
Working alarms can provide vital warning. Comparisons of personal risk also need information about the population and its exposure; incident counts alone cannot supply that comparison.
What is the smoke alarm failure rate in the UK?
In England in 2025/26, 19% of dwelling fires had an alarm that did not operate and 10% had one that operated without raising the alarm. These shares use all dwelling fires, including those with no alarm, as the denominator.
How often should you test your smoke alarm?
Follow the manufacturer’s instructions and fire-service advice; London Fire Brigade recommends testing at least monthly. The England household table records 24.2% of self-reported working alarms as never tested in 2024/25.
Do landlords have to provide smoke alarms?
For specified rented tenancies in England, landlords must provide a smoke alarm on each storey used as living accommodation, check them at the start of a new tenancy and address reported faults as soon as reasonably practicable. The regulations contain exemptions and allow penalties up to £5,000.
Related guides
- Carbon Monoxide Poisoning Statistics UK: Deaths, Incidents & Alarms
- Candle Fire Statistics UK: Fires, Deaths & Seasonal Trends
- UK Fire Classes Explained: A, B, C, D, F (and L)
- Who Is Responsible for Fire Extinguishers in the UK?
- How to Use a Fire Extinguisher: The PASS Method Explained
Sources & references
All statistics on this page are drawn from the following official and industry sources:
- MHCLG — FIRE0701 household survey and FIRE0702–0708 alarm incident tables
- MHCLG — Detailed fire analysis, year ending March 2026
- Welsh Government — 2024/25 smoke-alarm analysis
- Welsh Government — 2025/26 headline release and deferred detail
- Scottish Government — Fire and smoke alarm requirements
- SFRS — Incident statistics, 2024/25
- GOV.UK — Smoke and carbon monoxide alarm regulations: landlord and tenant guidance
- London Fire Brigade — Smoke and heat alarm positioning and testing
Working smoke alarms buy escape time — trained people know how to use it. Get every employee fire aware in around 90 minutes.
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Mark writes about workplace health & safety, fire safety awareness and accredited online training for Fire Safety Awareness Training, part of Online CPD Academy.