The four parts of on-call pay
The retainer pays for an agreed availability commitment. Work activity is then paid using the role's hourly rate. The national table also contains a disturbance payment for each call-out occasion. Some services add local availability bands, drill payments or contractual supplements.
A full-cover retainer is linked to at least 120 hours of cover a week under the national wording. That is an availability commitment, not 120 paid working hours. The day-crewing retainer is a different national percentage.
A realistic monthly estimate
Start with one-twelfth of your annual retainer. Add paid drill or training hours, incident hours and other authorised activity, then add the applicable call-out payments. Do not assume the number of incidents will be stable from month to month.
Availability, station activity and local rules vary widely. When comparing an on-call vacancy with other work, ask the service for a sample pay calculation and the exact availability band before making a commitment.
Tax and pension
On-call earnings are taxable employment income. If the role is a second job, the tax code used by payroll may differ from the one on your main job. Pension treatment depends on scheme membership and pensionable-pay rules, so a gross-to-net calculator is only a planning estimate.
Frequently asked questions
Is retained firefighter the same as on-call firefighter?
The terms are commonly used for the same duty system, although services increasingly use 'on-call'.
Do on-call firefighters get paid while waiting at home?
The retainer compensates the availability commitment; activity such as incidents and training is then paid separately under the relevant contract.