23/05/2018
Stepping onto the bustling streets of London, one of the first things many visitors notice is the distinctive presence of its iconic taxis. Yet, a common query quickly arises: what exactly do you call them? Is it a 'taxi' or a 'cab'? And what's the difference between a 'black cab' and a 'minicab'? Navigating the world of London's for-hire vehicles can seem a bit perplexing at first glance, but beneath the surface lies a rich history and a highly regulated system designed for efficiency and safety. This comprehensive guide will demystify the terminology, explain the unique characteristics of each type of vehicle, and equip you with all the knowledge needed to confidently choose your ride in the UK capital.

Decoding the Terminology: Taxi, Cab, Hackney Carriage
The English language, particularly its British variant, often presents delightful nuances, and the world of for-hire vehicles is no exception. While 'taxi' and 'cab' are often used interchangeably in modern British English, their origins and specific connotations can provide clarity. Historically, the term 'cab' is a shortened form of 'cabriolet', a type of two-wheeled, one-horse carriage often hired out in the 17th century. The word 'taxi', on the other hand, derives from 'taximeter', an invention from the late 19th century that automatically calculated the fare based on distance and time. So, while you might hear either 'taxi' or 'cab' on the streets of London today, the former speaks to the mechanical fare calculation, and the latter to a more ancient form of transport.
However, the most formal and historically significant term for London's most famous taxis is 'hackney carriage'. This term dates back to the 17th century when carriages were hired from the London borough of Hackney. Today, 'hackney carriage' is the official licensing term for vehicles that can be hailed on the street or picked up from designated taxi ranks. These are the vehicles that have become synonymous with London itself – the sturdy, purpose-built vehicles with a distinct high roof and impressive turning circle. In everyday parlance, they are almost universally referred to as 'black cabs' or simply 'black taxis', despite not all of them being exclusively black anymore. This moniker, however, sticks due to the historical preference for black paint by fleet owners, largely for cost-effectiveness and ease of identification.
The Ever-Present 'Black Cab'
The 'black cab' is more than just a vehicle; it's a cultural icon, recognised globally as a symbol of London. These vehicles, officially Hackney Carriages, are instantly recognisable by their distinctive shape, designed specifically for passenger comfort and accessibility. They boast a spacious passenger compartment, often with rear-facing jump seats, allowing up to five passengers to travel comfortably. Crucially, their design includes a high roof to accommodate passengers wearing top hats – a nod to their historical elegance – and an incredibly tight turning circle, essential for navigating London's often narrow and winding streets.
What truly sets a black cab driver apart is their unparalleled knowledge of London's labyrinthine streets. This isn't just a casual familiarity; it's the result of an arduous and legendary examination known simply as 'The Knowledge'. Prospective black cab drivers spend years, typically three to four, memorising every street, landmark, and point of interest within a six-mile radius of Charing Cross. This includes thousands of streets, specific routes, and even the locations of various businesses and public places. Passing 'The Knowledge' is an immense undertaking, requiring an encyclopaedic memory and exceptional navigational skills, ensuring that a black cab driver can always find the most efficient route without relying on GPS. This rigorous training means that when you step into a black cab, you can be absolutely sure your driver knows the way, even to the most obscure locations.
The Alternative: The 'Minicab'
While black cabs are the traditional taxis, London also has a thriving network of 'minicabs'. Unlike black cabs, minicabs are standard passenger saloon cars, much like a private car, that are available for hire. The crucial distinction lies in their operation: minicabs are strictly 'private hire vehicles' (PHVs), meaning they must be pre-booked. You cannot hail a minicab on the street or pick one up from a taxi rank. Attempting to do so is illegal and unsafe, as these drivers are not insured for unbooked fares. Minicabs are typically booked through a licensed minicab office, an app (like Uber, which operates as a private hire service in the UK), or by phone.
Minicab drivers do not undergo 'The Knowledge' test; instead, they rely on satellite navigation systems. While their fares can sometimes be cheaper than black cabs, especially for longer journeys or during off-peak hours, the experience and level of driver knowledge are different. It is vital to ensure that any minicab you use is fully licensed by Transport for London (TfL) to guarantee safety and accountability. Always confirm your booking details and the driver's identity before getting into a minicab.
How to Use Taxis in London
Understanding how to access these services is key to a smooth journey around London. The method depends entirely on the type of vehicle you wish to use.
Hailing a Black Cab
One of the quintessential London experiences is hailing a black cab. If the yellow 'TAXI' sign on the front of the cab is illuminated, it means the cab is available for hire. Simply stand at the roadside, extend your arm, and the driver will pull over if it's safe to do so. Black cabs can also be found at designated taxi ranks, located at major train stations, Tube stations, and other prominent points across the city. Additionally, you can book black cabs in advance through various apps, such as Gett, or by calling a traditional taxi company. This flexibility makes black cabs a convenient option for spontaneous travel or planned journeys.
Booking a Minicab
For minicabs, the process is different. As mentioned, they must always be pre-booked. This can be done by calling a local minicab office, using a ride-hailing app like Uber, Bolt, or Free Now (which also offer black cab bookings), or through hotel concierge services. When booking, you will typically provide your pick-up location, destination, and the number of passengers. The company will then dispatch a car to you. Always wait for your booked minicab and confirm the driver's identity and the vehicle details (make, model, registration number) against your booking confirmation before commencing your journey. Never get into an unmarked vehicle that approaches you offering a ride.
Regulation and Safety: London's Rigorous Standards
Both Hackney Carriages and private hire vehicles (minicabs) are rigorously regulated throughout the United Kingdom, but London's regulations, overseen by Transport for London (TfL), are particularly stringent. This robust regulatory framework is designed to ensure passenger safety, fair pricing, and high standards of service. All licensed vehicles undergo regular mechanical inspections, and drivers must pass background checks, medical examinations, and demonstrate proficiency in English.
For black cabs, the 'Knowledge' is the cornerstone of driver licensing, guaranteeing expert navigation. For minicab drivers, while 'The Knowledge' is not required, they must still hold a valid private hire driver's licence, issued by TfL, which involves background checks and adherence to strict operating conditions. This commitment to regulation means that when you choose a licensed taxi or minicab in London, you can travel with peace of mind, knowing you are in safe hands.
Black Cab vs. Minicab: A Comparative Overview
To help you decide which service best suits your needs, here's a comparative table highlighting the key differences:
| Feature | Black Cab (Hackney Carriage) | Minicab (Private Hire Vehicle) |
|---|---|---|
| Appearance | Distinctive, purpose-built vehicle (e.g., TX4, electric models), high roof, often black. | Standard passenger saloon car, varying makes and models. |
| Hailing | Can be hailed on the street if 'TAXI' sign is lit, or found at ranks. | Cannot be hailed on the street; must be pre-booked. |
| Booking | Can be booked in advance via apps (e.g., Gett) or phone, or hailed spontaneously. | Must always be pre-booked via app, phone, or office. |
| Driver Knowledge | Drivers pass 'The Knowledge' – extensive memorised routes and landmarks. | Drivers use satellite navigation; no 'Knowledge' required. |
| Fare Structure | Metered fares, regulated by TfL. Can be more expensive during peak times or for short journeys. | Fares often agreed upon booking or calculated by app. Can be cheaper, especially for longer distances. |
| Accessibility | Designed with accessibility in mind, often wheelchair-accessible. | Accessibility varies by vehicle, generally less universally accessible. |
| Licensing Body | Transport for London (TfL) - Hackney Carriage Licence. | Transport for London (TfL) - Private Hire Vehicle Licence. |
Frequently Asked Questions About Taxis in London
Can I hail a minicab in London?
No, absolutely not. Minicabs are private hire vehicles and must be pre-booked. It is illegal and unsafe to hail an unbooked minicab from the street, as they are not insured for such journeys. Always book through a reputable company or app.
Are black cabs always black?
While historically most were black for cost and identification, modern black cabs come in a variety of colours and often feature advertising wraps. However, the term 'black cab' remains in common use due to tradition and their iconic status.
Is Uber a taxi or a minicab in the UK?
In the UK, Uber operates as a private hire vehicle (minicab) service. Uber drivers are licensed as private hire drivers, and their vehicles as private hire vehicles, meaning all journeys must be pre-booked through the Uber app. You cannot hail an Uber on the street.
What is 'The Knowledge'?
'The Knowledge' is the incredibly rigorous test that all prospective London black cab drivers must pass. It requires memorising thousands of streets, landmarks, and optimal routes within a six-mile radius of Charing Cross, demonstrating an unparalleled understanding of London's geography. It typically takes years to complete.
How do I ask for a taxi in the UK?
If you want to hail a black cab, simply look for one with its 'TAXI' sign illuminated and raise your hand. If you're calling a company for either a black cab or a minicab, you can say, "May I book a taxi for [time]?" or "Could you send a cab to [address]?" Be clear about your location and destination.
Why are UK taxis often black?
The tradition of black taxis dates back to the early 20th century. Most fleet owners preferred black as it was a cheap, readily available paint colour and did not show dirt as easily as lighter colours. This uniformity also helped with ease of identification, creating an instant visual brand for London's iconic cabs.
Conclusion
The world of taxis in London, though seemingly complex with its array of names and rules, is designed for efficiency, safety, and convenience. Whether you opt for the legendary black cab, with its driver's encyclopaedic 'Knowledge' and ability to be hailed on a whim, or a pre-booked minicab offering a potentially more cost-effective journey, understanding the distinctions is key. Both play vital roles in London's transport ecosystem, each offering unique benefits to residents and visitors alike. So, the next time you need a ride in the UK capital, you'll be well-equipped to choose the perfect 'taxi' or 'cab' for your journey, navigating the city's streets with confidence and ease.
If you want to read more articles similar to London's Taxis: Cabs, Black Cabs & Minicabs Explained, you can visit the Transport category.
