Private Hire Vehicles Explained: How Pre-booked Minicabs Work

A private hire vehicle (PHV) is a licensed car you book in advance through a licensed operator — it cannot be hailed in the street or picked up from a rank. Often called a minicab, it can only carry passengers who have made a booking beforehand.

What is a private hire vehicle?

A private hire vehicle is a passenger-carrying car licensed by a local authority to take pre-booked journeys for hire and reward. The term covers everything from a single saloon car to a larger people carrier, provided it meets the council's licensing standards.

Three separate licences sit behind every legitimate journey: the vehicle itself is licensed, the driver holds a private hire driver's licence, and the operator who takes the booking is licensed too. All three must be in place for a journey to be lawful.

"Minicab" is simply the everyday name for a private hire vehicle. The two phrases mean the same thing — the legal term is "private hire vehicle", while "minicab" is the word most passengers use day to day.

Why must every journey be pre-booked?

A private hire vehicle (PHV) is a licensed car you book in advance through a licensed operator — it cannot be hailed in the street or picked up from a rank.

Pre-booking is the defining feature of private hire, and it is a legal requirement rather than a matter of convenience. A private hire vehicle cannot lawfully accept a passenger who flags it down or approaches it in the street.

The booking must go through a licensed operator. This is the firm that takes your request — by phone, app or in person — and assigns a licensed driver to it. The operator records the booking, which creates a traceable link between the passenger, the driver and the journey.

That record matters for safety. If a problem arises, there is a documented account of who travelled, when, and with which driver. A vehicle that accepts a street hail bypasses this system entirely, which is why doing so breaches the terms of a private hire licence.

In short: no booking, no lawful journey. Even if a private hire car is sitting empty by the kerb, it is not permitted to pick you up without a booking made through its operator.

Private hire vehicle versus hackney carriage

A hackney carriage is the traditional licensed taxi — the kind you can hail in the street or pick up from a designated rank without booking ahead. This is the single biggest difference between the two.

The distinctions are easiest to see side by side:

• Booking: A hackney carriage can be hailed or taken from a rank; a private hire vehicle must always be pre-booked through an operator.
• Fares: Hackney carriage fares are metered and set by the council. Private hire fares are usually agreed or quoted at the time of booking, and may not use a meter at all.
• Appearance: Hackney carriages often have a distinctive shape and a roof-mounted "taxi" or "for hire" light. Private hire vehicles do not carry such signs and may look like ordinary cars.
• Operator: A private hire driver works through a licensed operator who handles bookings. A hackney carriage driver can accept passengers directly.

Both types are properly licensed and regulated. The choice between them is mainly about how you obtain the journey: spontaneously in the case of a hackney carriage, or in advance in the case of private hire.

One practical point: licences are issued by individual local authorities, so the precise rules — vehicle age limits, signage requirements and fare structures — can vary from one area to the next.

The role of the licensed operator

The operator is the licensed business that accepts bookings and matches them to drivers. Without an operator, a private hire driver has no lawful way to take work, because a passenger cannot book a driver directly off the street.

When a booking is taken, the operator is responsible for keeping a record of it. Most councils require operators to log the passenger's request, the time, the pick-up and drop-off, and the driver and vehicle assigned to the job.

An operator must check that the drivers and vehicles it uses are correctly licensed. This makes the operator a gatekeeper for standards: it should only dispatch work to drivers who hold a valid licence and vehicles that have passed the required inspections.

For passengers, this means there is always an accountable party behind a private hire booking. If you need to query a fare, report a lost item or raise a concern, the operator is the point of contact — and the local authority that licensed the operator is the body that oversees it.

How to recognise a properly licensed car

A genuine private hire vehicle should be identifiable, even though it does not carry a roof light like a hackney carriage. The clearest sign is the licensing material issued by the council.

Things worth checking include:

• Licence plates: Most licensed private hire vehicles display a council-issued licence plate, often at the rear and sometimes inside the windscreen, showing the vehicle's licence number.
• Driver's badge: The driver should hold a private hire driver's licence, frequently shown as an ID badge with their photograph and licence number.
• Operator details: The booking should have come from a recognised, licensed operator, and the car the driver arrives in should match the details you were given.
• No street pick-ups: A car that offers you a lift in the street without any booking is not operating lawfully as private hire, whatever it may claim.

If the details do not match the booking, or if there is no visible licensing at all, you are entitled to question it or decline the journey. Confirming the vehicle registration, the driver's name and the operator's name against your booking is a simple safeguard.

Pre-booking, operator records and visible licensing all work together. Each is part of the system that keeps private hire travel accountable, and recognising how the pieces fit makes it easier to tell a properly licensed minicab from one that is not.

Reviewed: June 2026