The Emergency Alarm system plugs into your telephone, and you wear a small button round your neck or wrist. You press it when you need help in an emergency. 24 hour back-up can be provided by a neighbour, relative, GP or, in some areas, a team of mobile wardens.

Alarms can be rented (less than £5 per week at time of writing) or bought and there is usually a one-off connection fee.  All you need is a telephone socket and an electrical socket.

Contact your local council to discover what is available in your area.