Smoke and Carbon Monoxide Policy

Protecting Lives Through Early Detection All Services 4U is committed to protecting residents from the dangers of fire and carbon monoxide poisoning. Smoke alarms and carbon monoxide alarms are critical life-safety devices that provide early warning and save lives. This policy sets out our procedures for the installation, testing, maintenance, and replacement of smoke and carbon monoxide alarms in compliance with current legislation. This policy applies to all smoke and carbon monoxide alarm work undertaken by All Services 4U on behalf of our clients.

Smoke and Carbon Monoxide Policy

Our Commitment

We are committed to:

  1. Compliance — Meeting all statutory requirements for smoke and CO alarm provision
  2. Life Safety — Ensuring alarms are installed, working, and provide effective protection
  3. Quality — Installing alarms that meet relevant standards and specifications
  4. Reliability — Maintaining alarms to ensure they work when needed
  5. Responsiveness — Replacing faulty alarms promptly
  6. Documentation — Maintaining accurate records of all alarm work
  7. Education — Advising residents on alarm use and testing

The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022

These regulations apply to all rented properties in England (social and private) and require landlords to:

RequirementDetails
Smoke alarmsAt least one smoke alarm on each storey with habitable rooms
Carbon monoxide alarmsIn any room with a fixed combustion appliance (excluding gas cookers)
Working conditionAlarms must be in working order at the start of each tenancy
Repair/replaceLandlords must repair or replace alarms once notified of a fault

Regulatory Reform (Fire Safety) Order 2005

The RRO applies to common parts of residential buildings and requires:

  • Suitable fire detection appropriate to the risk
  • Maintenance in efficient working order
  • Testing at appropriate intervals
  • Documentation of testing and maintenance

Building Regulations Approved Document B

Specifies smoke alarm requirements for new builds and material alterations:

Building TypeRequirement
New dwellingsGrade D1 LD3 system minimum (interlinked mains-powered with battery backup)
Material alterationsMay trigger upgrade to mains-powered interlinked system
Loft conversionsLD2 system required (additional coverage of escape routes)

BS 5839 Fire Detection and Fire Alarm Systems

PartCoverage
BS 5839-1Non-domestic premises
BS 5839-6Domestic premises — Code of Practice

Other Relevant Legislation

LegislationRelevance
Housing Act 2004HHSRS includes fire as a hazard
Gas Safety (Installation and Use) Regulations 1998CO detection linked to gas appliances
Building Safety Act 2022Enhanced requirements for higher-risk buildings
Homes (Fitness for Human Habitation) Act 2018Alarms contribute to fitness for habitation

Scope

This policy covers:

  • All residential properties where we provide maintenance services
  • Social housing, private rented sector, and leasehold properties
  • Smoke alarms (ionisation, optical, heat, multi-sensor)
  • Carbon monoxide alarms
  • Combined smoke and CO alarms
  • Domestic and communal detection systems
  • Installation, testing, maintenance, and replacement

Smoke Alarm Requirements

Minimum Legal Requirement (Rented Properties)

At least one smoke alarm on each storey that contains a habitable room.

Habitable rooms include:

  • Living rooms
  • Bedrooms
  • Kitchens (where used as living space)
  • Studies
  • Dining rooms

Non-habitable rooms (don’t count):

  • Bathrooms
  • Toilets
  • Hallways (but alarms often best placed here)
  • Landings
  • Utility rooms

Best Practice Positioning (BS 5839-6)

LocationRecommendation
HallwaysOn each level, at top and bottom of stairs
LandingsCentral position on escape route
Living roomsCentre of ceiling, away from corners
BedroomsCentre of ceiling
KitchenHeat alarm preferred, or optical alarm >3m from cooking

Where NOT to Install

LocationReason
Within 300mm of walls/cornersDead air space
Within 300mm of lights/decorationsAirflow obstruction
Near air vents/fansAirflow may prevent smoke reaching alarm
Bathrooms/shower roomsSteam causes false alarms
Kitchens (ionisation alarms)Cooking fumes cause false alarms
GaragesVehicle fumes cause false alarms
Very dusty areasDust affects sensors
Near heating appliancesHeat affects sensors
On sloped ceilings (peak)Dead air at apex

Alarm Types

TypeTechnologyBest ForAvoid
IonisationDetects small particles (fast-flaming fires)Bedrooms, living roomsKitchens, dusty areas
Optical (Photoelectric)Detects larger particles (smouldering fires)Hallways, landings, near kitchensN/A
HeatDetects temperature riseKitchens, garagesSole protection (slow response)
Multi-sensorCombined optical and heatAny locationMore expensive

Power Supply Categories (BS 5839-6)

GradePower SupplyTypical Application
Grade AFire alarm system to BS 5839-1HMOs, sheltered housing
Grade BMains-powered system with standby supplyHigher-risk domestic
Grade CMains-powered with no standbyBasic new build spec
Grade D1Mains-powered with battery backupStandard new build (10+ years)
Grade D2Mains-powered without battery backupOlder new builds
Grade EPrimary battery (10-year lithium)Existing properties
Grade FReplaceable batteryMinimum standard (existing)

Coverage Categories (BS 5839-6)

CategoryCoverageTypical Application
LD1All areas including highest risk roomsEnhanced protection
LD2Escape routes + high-risk rooms (kitchen, living room)Loft conversions
LD3Escape routes only (hallways, landings)Minimum standard

Interlinking

Why interlink?

  • When one alarm activates, all alarms sound
  • Ensures residents are alerted wherever they are
  • Essential for multi-storey properties
  • Required for new builds and loft conversions

Interlinking methods:

  • Hardwired (cable between alarms)
  • Radio frequency (wireless)
  • Hybrid (hardwired base units with RF link)

Carbon Monoxide Alarm Requirements

Legal Requirement (Rented Properties)

A carbon monoxide alarm must be installed in any room containing a fixed combustion appliance (excluding gas cookers).

Fixed combustion appliances include:

ApplianceCO Alarm Required
Gas boilersYes
Gas firesYes
Gas water heatersYes
Oil boilersYes
Oil firesYes
Solid fuel fires (open fires)Yes
Wood burnersYes
Coal firesYes
Gas cookers/hobsNo (excluded)
Portable heatersNo (not fixed)

Positioning

RequirementSpecification
Height1-3 metres from floor (CO mixes with air)
Distance from appliance1-3 metres horizontally
Ceiling mountingAt least 300mm from any wall
Wall mountingAt least 150mm from ceiling, above any door/window
Not behind furnitureMust be visible and accessible
Not in enclosed spaceMust be in open room air

Where NOT to Install

LocationReason
Outside the room with the applianceWon’t detect CO
In cupboards or behind furnitureImpeded airflow
Near doors or windowsDiluted by fresh air
Near extract fansCO drawn away from sensor
In damp or humid areasMoisture affects sensor
In direct sunlightHeat affects sensor
Near cooking appliancesFumes cause false alarms
Below 150mm from ceilingCO rises, dead air space

CO Alarm Standards

CO alarms must comply with:

  • BS EN 50291-1 — Electrical apparatus for CO detection (general)
  • BS EN 50291-2 — Electrical apparatus for CO detection (specific rooms)
  • Kitemark or equivalent — Third-party certification

CO Alarm Types

TypePowerLifespanBest For
Sealed lithium batteryBattery (10-year)10 yearsEasy installation, no mains
Mains with battery backup230V + battery7-10 yearsReliable power, backup protection
Replaceable batteryAA/9VSensor 5-7 yearsBudget option (not recommended)
Plug-inMains socket5-7 yearsNo installation, but uses socket

Recommendation: Sealed 10-year lithium battery or mains-powered with battery backup.

Installation Standards

General Installation Requirements

RequirementStandard
Competent installerTrained, qualified personnel
Manufacturer’s instructionsAlways followed
Correct positioningAs per BS 5839-6 / EN 50291
Secure fixingProperly mounted, stable
Testing after installationFunctional test before leaving
DocumentationRecord of installation details
Resident instructionExplain testing, what to do if alarm sounds

Smoke Alarm Installation

Ceiling mounting (preferred):

  1. Position in centre of room/hallway or 300mm from walls
  2. Avoid dead air spaces and obstructions
  3. Mark fixing position
  4. Drill and plug (if required)
  5. Fix base plate securely
  6. Connect mains supply (if applicable)
  7. Attach alarm to base plate
  8. Test alarm function
  9. Link to other alarms (if applicable)
  10. Test interlinking
  11. Inform resident and demonstrate test

Wall mounting (if ceiling not possible):

  1. Position 150-300mm below ceiling
  2. Ensure sensor is not obstructed
  3. Follow ceiling mounting process

CO Alarm Installation

  1. Identify all rooms with fixed combustion appliances
  2. Position 1-3 metres from appliance
  3. Mount at correct height (1-3m from floor)
  4. Fix securely to wall or ceiling
  5. Test alarm function
  6. Inform resident and demonstrate test
  7. Provide CO safety advice

Mains-Powered Installation

Mains-powered alarms must be installed by a competent person:

  • Permanent live connection (not switched)
  • Dedicated circuit or connection to lighting circuit
  • Cable protection as required
  • Comply with BS 7671 (IET Wiring Regulations)
  • Part P notification if required

Testing Requirements

Testing at Start of Tenancy

Legal requirement: Alarms must be in working order at the start of each new tenancy.

ActionWhoWhen
Test all smoke alarmsLandlord/agent/contractorBefore tenancy starts
Test all CO alarmsLandlord/agent/contractorBefore tenancy starts
Record resultsLandlord/agent/contractorInventory/check-in report
Demonstrate to residentLandlord/agent/contractorAt check-in

Routine Testing (Resident Responsibility)

Residents should test alarms regularly:

Alarm TypeTest Frequency
Smoke alarmsWeekly
CO alarmsMonthly (or weekly)

Testing method:

  • Press and hold test button until alarm sounds
  • If alarm doesn’t sound, report immediately

Annual Testing (Landlord/Service Visit)

ActionFrequency
Functional test (test button)Annual minimum
Visual inspectionAnnual minimum
Check expiry dateAnnual
Clean alarm (if required)Annual
Battery check/replacementAnnual (if applicable)
Record and certificateAnnual

Testing During Other Visits

All operatives visiting properties should:

  • Note presence/absence of smoke and CO alarms
  • Report any obvious defects or missing alarms
  • Test alarms if within scope of work
  • Record observations

Maintenance

Smoke Alarm Maintenance

TaskFrequencyResponsibility
Functional testWeeklyResident
Cleaning (vacuum dust)6-monthlyResident
Visual inspectionAnnualService visit
Battery replacement (if applicable)Annual or when chirpingService visit
Alarm replacement10 years (or per manufacturer)Service visit

CO Alarm Maintenance

TaskFrequencyResponsibility
Functional testMonthlyResident
Visual inspectionAnnualService visit
Check expiry dateAnnualService visit
Alarm replacementPer expiry date (5-10 years)Service visit

Cleaning

Dust and debris can prevent alarms working:

  • Vacuum around vents gently
  • Do not paint alarms
  • Do not use cleaning sprays or solvents
  • Do not submerge in water

When to Replace

ConditionAction
Alarm past expiry dateReplace
Alarm fails functional testReplace
Alarm damagedReplace
Alarm discoloured/contaminatedReplace
Alarm repeatedly false alarmingInvestigate and replace if faulty
Battery low (sealed unit)Replace whole unit
Technology obsoleteConsider upgrade

Expiry and Replacement Lifecycle

Alarm TypeTypical Lifespan
Ionisation smoke alarm10 years
Optical smoke alarm10 years
Heat alarm10-15 years
CO alarm (sealed battery)7-10 years
CO alarm (replaceable battery)5-7 years (sensor life)

Note: Always check manufacturer’s guidance — expiry date should be marked on the alarm.

Response to Faults

Fault Reporting

Residents can report alarm faults via:

  • Telephone: [Phone number]
  • Email: [Email address]
  • Online: [Portal]
  • App: [If applicable]

Response Timescales

Fault TypeResponse
CO alarm not working (appliance present)Emergency — within 24 hours
Smoke alarm not working (sole alarm)Urgent — within 48 hours
Smoke alarm not working (other alarms present)Within 5 working days
Low battery chirpWithin 5 working days
False alarmingWithin 5 working days (or sooner if persistent)

Replacement Process

  1. Receive fault report
  2. Raise job with appropriate priority
  3. Attend property with replacement alarm
  4. Remove faulty alarm
  5. Install new alarm (like-for-like or upgrade)
  6. Test new alarm
  7. Test any linked alarms
  8. Instruct resident on testing
  9. Complete documentation
  10. Dispose of old alarm appropriately

False Alarms

Causes of False Alarms

CausePrevention
Cooking fumesHeat alarm in kitchen, optical >3m from cooker
SteamDo not install in bathroom, away from kettles
DustRegular cleaning, vacuum sensor area
InsectsSealed units, regular cleaning
Low batteryAnnual battery replacement, 10-year sealed units
End of lifeReplace alarms at expiry
Incorrect alarm typeMatch alarm type to location
Incorrect positioningRelocate alarm

Managing False Alarms

ActionResponsibility
Advise resident on causesService visit
Assess alarm positionService visit
Consider alarm type changeService visit
Relocate if necessaryService visit
Replace if faultyService visit
Document findingsService visit

Resident Actions (False Alarm)

Advise residents:

  • Do not remove batteries or disconnect alarm
  • Ventilate the area (open windows)
  • Press hush/silence button if available
  • Wait for alarm to reset
  • If alarm sounds again (no obvious cause), report it
  • Never disable or remove alarms

Communal Areas

Detection in Common Parts

Communal areas (hallways, stairwells, landings) in blocks of flats may require:

SystemTrigger
Grade A system (fire alarm panel)Higher-risk buildings, regulatory requirement
Communal smoke detectionRequired by FRA, interlinking considerations
Automatic opening ventsSmoke-triggered ventilation
Connection to building fire alarmWhere system exists

Responsibilities

PartyResponsibility
LandlordCommunal fire detection as required by FRA
We deliverInstallation, testing, maintenance per contract
Fire Risk AssessorSpecify detection requirements
Building Safety ManagerOversight of fire safety (HRBs)

Testing in Communal Areas

TestFrequency
Weekly fire alarm testWeekly (usually same day/time)
Quarterly inspectionVisual inspection of detectors
Annual serviceFull test, clean, documentation
After any fire incidentFunctional verification

Documentation

Installation Records

For each alarm installed, record:

FieldDetails
Property addressFull address and UPRN
Installation dateDate of installation
Alarm locationRoom and position
Alarm typeSmoke/CO/heat/multi-sensor
Make and modelManufacturer and model number
Serial numberIf visible
Power typeMains/battery/sealed lithium
Expiry dateFrom manufacturer
InterlinkedYes/No and method
InstallerName and ID
Test resultPass/Fail

Testing Records

FieldDetails
Property addressFull address
Test dateDate of test
Alarm locationRoom and position
Test resultPass/Fail
Action takenNone/replaced/cleaned/battery
TesterName and ID
Resident advice givenYes/No

Certificates

We can provide clients with:

  • Smoke and CO Alarm Installation Certificate
  • Annual Test Certificate
  • Compliance Statement

Record Retention

RecordRetention Period
Installation recordsLife of alarm + 6 years
Test records6 years
Replacement recordsLife of new alarm + 6 years
Certificates6 years

Resident Communication

Information for Residents

We provide residents with:

InformationMethod
How to test alarmsVerbal at visit, written card
What to do if alarm soundsWritten card
What to do if alarm faultyWritten card
How to report faultsContact details
Carbon monoxide safetyWritten leaflet
Fire safety adviceWritten leaflet

Resident Advice Card

Your Smoke and CO Alarms

✓ Test smoke alarms weekly — press and hold the test button ✓ Test CO alarms monthly — press and hold the test button ✓ If the alarm chirps, the battery may be low — report it ✓ If the alarm doesn’t sound when tested — report it immediately ✓ Never remove batteries or disconnect alarms ✓ Never cover or paint alarms

If Your Smoke Alarm Sounds:

  1. Alert everyone in the property
  2. Get out and stay out
  3. Call 999
  4. Do not re-enter until fire service says it’s safe

If Your CO Alarm Sounds:

  1. Stop using all fuel-burning appliances
  2. Open windows and doors to ventilate
  3. Get everyone outside into fresh air
  4. Call the Gas Emergency Line: 0800 111 999
  5. Do not re-enter until advised safe
  6. Seek medical attention if anyone feels unwell

Carbon Monoxide Safety

The Danger of CO

Carbon monoxide (CO) is:

  • Colourless, odourless, tasteless — you cannot detect it without an alarm
  • Produced by incomplete combustion of fuels (gas, oil, wood, coal)
  • Potentially fatal — causes around 30 deaths per year in the UK
  • A cause of long-term health effects even at low levels

Symptoms of CO Poisoning

SeveritySymptoms
MildHeadache, dizziness, nausea, tiredness
ModerateConfusion, drowsiness, fast heart rate
SevereLoss of consciousness, seizures, death

Key indicator: Symptoms improve when away from the property.

Sources of CO

SourceRisk
Gas boilersBlocked flue, poor combustion
Gas firesFaulty appliance, blocked flue
Gas water heatersBlocked flue, poor ventilation
Oil boilersFaulty appliance, blocked flue
Solid fuel firesBlocked chimney, poor ventilation
Wood burnersBlocked flue, closed vents
Portable heatersAny fuel-burning portable heater
BBQs/generatorsBrought indoors (never do this)
Vehicle exhaustAttached garage, running engine

CO Response Procedure

If CO alarm sounds:

  1. Stop — Turn off all fuel-burning appliances if safe to do so
  2. Ventilate — Open all windows and doors
  3. Evacuate — Get everyone outside into fresh air
  4. Call — Gas Emergency Line 0800 111 999 (for gas) or 999 (if unwell)
  5. Do not re-enter — Until appliances have been checked by Gas Safe engineer
  6. Medical attention — If anyone has symptoms, attend A&E and inform them of possible CO exposure

Our Response to CO Incidents

ScenarioAction
CO alarm activation reportedEmergency response, Gas Safe engineer attend within 24 hours
CO alarm faultyReplace within 24 hours if combustion appliance present
CO detectedCap appliance, report as ID (Immediately Dangerous), advise resident
CO symptoms reportedEmergency response, advise medical attention

Special Circumstances

HMOs (Houses in Multiple Occupation)

Enhanced requirements may apply:

RequirementDetail
Fire alarm systemGrade A LD2 system may be required
Interlinked alarmsThroughout the property
Regular testingMore frequent testing and maintenance
DocumentationFire safety documentation for licensing
FRAFire Risk Assessment required

Sheltered Housing and Extra Care

ConsiderationApproach
Vulnerable residentsEnhanced detection (LD2)
Hearing impairedVibrating pad or strobe alarms
Mobility impairedConsider evacuation needs
Telecare integrationAlarms linked to monitoring centre
Warden/staff responseAlert protocols

Loft Conversions

Building Regulations require:

  • Upgrade to LD2 system (escape routes + high-risk rooms)
  • Mains-powered interlinked alarms with battery backup
  • Protection to new room and escape route

Deaf and Hard of Hearing Residents

Alternative alerting devices:

DeviceDescription
Vibrating padUnder pillow, activates when alarm sounds
Strobe lightFlashing light alert
Pager systemWearable device vibrates
Telecare alarmLinked to monitoring centre

Roles and Responsibilities

All Services 4U

RoleResponsibility
Managing DirectorOverall accountability
Operations DirectorService delivery, compliance
Contract ManagersClient liaison, reporting
SupervisorsQuality assurance
InstallersCompetent installation, testing, documentation
All operativesReport missing/faulty alarms observed

Our Clients (Landlords)

Landlords retain responsibility for:

  • Ensuring alarms are installed as required by law
  • Ensuring alarms are in working order at start of tenancy
  • Repairing or replacing alarms when notified of fault
  • Keeping records of compliance
  • Responding to resident reports

We support clients by delivering compliant services.

Residents

Residents are responsible for:

  • Testing alarms regularly (weekly smoke, monthly CO)
  • Reporting faults promptly
  • Not tampering with, removing, or disabling alarms
  • Allowing access for maintenance
  • Following advice if alarm sounds

Training and Competence

Competence Requirements

ActivityCompetence
Battery alarm installationTrained installer
Mains alarm installationQualified electrician
Fire alarm systems (Grade A)FIA trained or equivalent
TestingTrained personnel
DiagnosticsTrained personnel

Training Programme

TrainingAudienceFrequency
Smoke and CO alarm awarenessAll operativesInduction
Installation trainingInstallersInitial + updates
Testing and maintenanceService operativesInitial + updates
Fire alarm systemsSpecialist engineersAs required
CO safetyAll gas engineersAnnual CPD

Performance Monitoring

Key Performance Indicators

KPITarget
Alarms installed at start of tenancy100%
Alarms tested at annual service100%
CO alarm faults resolved within 24 hours100%
Smoke alarm faults resolved within 5 days100%
Alarms replaced before expiry100%
Documentation complete and accurate100%

Reporting

ReportFrequency
Installation completionsMonthly
Testing completionsMonthly
Fault repairsMonthly
Compliance statusMonthly
Trend analysisQuarterly

Policy Review

This policy is reviewed annually and updated to reflect:

  • Changes in legislation and regulations
  • Changes in British Standards
  • Manufacturer guidance updates
  • Lessons learned from incidents
  • Client requirements
  • Industry best practice

This policy should be read in conjunction with:

  • Fire Safety Policy
  • Gas Safety Policy
  • Electrical Safety Policy
  • Awaab’s Law Compliance Policy
  • Health and Safety Policy
  • Safeguarding Policy

Approval

This Smoke and Carbon Monoxide Alarm Policy has been approved by the Managing Director.

Signed:

[Name] Managing Director All Services 4U

Date: [Date]

Review Date: [Date + 1 year]

Contact

Service Enquiries Email: service@allservices4u.co.uk Phone: [Phone number]

Emergency Response (24-hour) Phone: [Emergency number]

Gas Emergency (National Grid) Phone: 0800 111 999

Quick Reference

Legal Requirements (Rented Properties)

RequirementStandard
Smoke alarmsOne per storey with habitable rooms
CO alarmsAny room with fixed combustion appliance (except gas cooker)
Working orderAt start of each tenancy
Repair/replaceWhen notified of fault

Response Times

FaultResponse
CO alarm not working (appliance present)24 hours
Smoke alarm not working (sole alarm)48 hours
Other alarm faults5 working days

Testing Frequency

AlarmFrequency
Smoke alarmWeekly
CO alarmMonthly

If CO Alarm Sounds

  1. Stop using appliances
  2. Open windows and doors
  3. Get everyone outside
  4. Call 0800 111 999
  5. Do not re-enter until safe
  6. Seek medical attention if unwell

All Services 4U is committed to protecting residents through effective smoke and carbon monoxide detection. We support our clients to meet their legal obligations and keep residents safe.

All Service 4U Limited | Company Number: 07565878