A fire sprinkler system is only as good as its maintenance. Left unchecked, valves seize, pumps fail and pipework corrodes, and you may not find out until the day you need the system most. UK guidance sets out a clear regime of regular checks. Here is how often fire sprinklers should be serviced and what each inspection involves.
The short answer
Fire sprinkler systems should be checked on a rolling schedule of weekly, monthly, quarterly and annual tasks, with the most thorough inspection carried out annually by a competent engineer. The exact regime follows the system standard, BS EN 12845 for commercial and industrial systems and BS 9251 for residential, along with the manufacturer's requirements.
Weekly checks
Weekly checks are usually carried out by the building's own staff or facilities team. They include confirming water and air pressures are correct, checking that valves are in the right position, and testing alarms where required. These quick checks catch obvious problems early. During hot spells these checks matter even more, as our heatwave guide explains.
Monthly and quarterly checks
At monthly and quarterly intervals the checks become more detailed, covering items such as pump operation, water supplies and the condition of key components. Quarterly inspections are typically carried out by a qualified engineer and are an important part of keeping the system reliable and the documentation up to date.
The annual service
The annual service is the most thorough. A competent engineer carries out a full inspection and test of the system, including the water supply, pumps, valves and alarms, and produces a report confirming the system's condition. This annual certificate is what insurers, inspectors and enforcing authorities will want to see. For factories and warehouses, our industrial sprinkler system inspection service covers every stage of this regime.
What happens if you skip servicing?
A neglected system can fail when it matters. Beyond the obvious safety risk, missed servicing can invalidate insurance, breach your duties under the Fire Safety Order, and leave you exposed if something goes wrong. The cost of regular maintenance is small against the cost of a system that does not work.
Records and compliance
Keeping clear records is as important as the checks themselves. A maintained logbook, or better a cloud-based service history, shows the system has been looked after and gives you the evidence you need at inspection. We provide photographic job records and full service histories so you always have proof of compliance.
Keep your system protected
If your sprinkler system is due a service, or you are not sure when it was last checked, contact Eversafe. We maintain and repair systems of all makes and models, and we offer 24/7 emergency call-out if something goes wrong.
Frequently asked questions
How often should fire sprinklers be serviced?
On a rolling schedule of weekly, monthly, quarterly and annual checks, with a full inspection carried out annually by a competent engineer.
Who can service a sprinkler system?
Detailed inspections and the annual service should be carried out by a qualified, competent engineer. Simple weekly checks can be done by trained on-site staff.
Does servicing affect my insurance?
Yes. Insurers usually require evidence of regular servicing, and missed maintenance can affect your cover.