- Nation
- Northern Ireland
- Pricing region
- Northern Ireland
- Postcode areas
- BT
- Main towns
- Londonderry County Borough, Derry, Coleraine
What do fire alarm and detection systems in County Londonderry involve?
- Carbon monoxide alarms where needed
- Survey and system design to the fire risk assessment
- Panel systems for larger HMOs
- Commissioning and certificate
- Mains-wired interlinked smoke and heat detectors
- Detection in rooms, kitchens and escape routes as specified
Which rules apply in County Londonderry?
- The NIFRS HMO Fire Safety Guide (July 2026) usually expects Grade D1 interlinked detection in smaller shared houses and a Grade A system with more than 6 occupants or over 200 m².
- Licences usually last 5 years, and landlords must also register with the NI landlord registration scheme.
- HMO licence conditions require a satisfactory EICR at least every 5 years.
- Doors on protected routes are typically FD30 or FD30S, self-closing on three hinges; emergency lighting is required in HMOs of 4 or more storeys.
In Northern Ireland, licensing is run centrally by the NI HMO Unit, and all new HMOs need planning permission and building control approval from the local council.
How much do fire alarm and detection systems cost in County Londonderry?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Interlinked mains alarm system (Grade D type), small HMO (our estimate from installer guides) | £800 – £2,000 | £720 – £1,800 | house |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £1,600 – £4,050 | house |
| Emergency light fitting, installed (our estimate) | £150 – £350 | £140 – £320 | fitting |
Typical time on site: 1–4 working days. For a figure for your house, try the guide-price tool.
Fire alarm and detection systems by town in County Londonderry
Questions about fire alarm and detection systems in County Londonderry
Are battery smoke alarms enough?
For most HMOs, no. Interlinked mains-powered detection is usually expected so everyone is warned wherever the fire starts.
What grade of fire alarm does an HMO need?
There is no single answer in law. Guidance links the grade and coverage to the size of the house and the risk, and your fire risk assessment and council will set it. We install to that specification.
Do you carry out fire alarm and detection systems across County Londonderry?
Yes, across the whole of County Londonderry, including Londonderry County Borough, Derry, Coleraine.
Who licenses HMOs in County Londonderry?
HMO licensing in County Londonderry, as everywhere in Northern Ireland, is run by the NI HMO Unit at Belfast City Council. Planning and building control are handled by the local council.
Other HMO services in County Londonderry
- HMO fire safety upgrades in County Londonderry
- Escape routes, emergency lighting and fire stopping in County Londonderry
- Fire doors in County Londonderry
- Rewires and EICR remedials in County Londonderry
- Licence condition and schedule-of-works in County Londonderry
- House to HMO conversion in County Londonderry
- Extensions for extra rooms in County Londonderry
- Small HMO conversions (3–6 sharers) in County Londonderry