Quick answer: black box insurance in 2026
- Telematics cheapest
- 42%
- of UK quotes, all ages
- Under-30s on black box
- 20.7%
- + 12.7% on apps
- 17 to 19 price gap
- ~50%
- Tel vs non-tel cheapest
- Global active premiums
- 278M
- 2026, +28.85% CAGR to 2031
- Typical install cost
- £0
- If you stay 12 months
What black box insurance actually is
A "black box" is the consumer name for telematics insurance. The insurer either fits a small GPS-and-accelerometer device to your car (wired in or plugged into the OBD-II port), or asks you to install a smartphone app, or both. The hardware streams data to the insurer: where you drove, when, how fast, how hard you braked, how sharply you cornered, how many miles you covered.
That data feeds a driving score, typically out of 100. A high score earns a renewal discount or cashback; a low score raises the renewal or restricts the policy. The insurer can price your risk more accurately than a postcode-and-age model can, and they pass back some of the saving to drivers who turn out to be safer than their demographic suggests.
Who telematics fits
- Drivers aged 17 to 24, especially in their first three years on the road;
- Older drivers who have lost their no-claims discount after one or two recent claims;
- Low-mileage drivers (under 7,000 a year), at any age;
- Returning drivers with no current NCD to leverage.
Definition. Telematics comes from "telecommunications + informatics", the use of a wireless signal to send vehicle data back to the insurer. The "black box" is the small GPS-and-accelerometer unit; the data it sends is the driving score. Also called "pay-how-you-drive" insurance.
Driving score to premium calculator
Move the slider to your expected telematics score and pick your standard-policy quote. The widget shows what a typical UK telematics insurer would charge you at that score, using the Consumer Intelligence November 2025 score-band data.
Your driving plan
Score band
to on the 100-point scale
Estimated telematics premium
At score
Per year on telematics policy
Saving vs standard: (% of standard price). Loss vs standard: more than the standard quote.
How insurers actually grade your driving
The seven factors that go into the score. Each insurer weights them differently, but the order is roughly the same across the panel.
Factor 1
Speed
How often you exceed the limit, plus average speed on each road type. Insurers compare your speed against the signed limit at that GPS coordinate.
Factor 2
Acceleration
Gentle is good. The box measures g-force on launch; pulling away hard at a green light is one of the most-flagged behaviours.
Factor 3
Braking
Hard braking is a proxy for following too close or driving too fast for conditions. Anticipating the road ahead scores well.
Factor 4
Cornering
Lateral g on bends. Taking a roundabout too fast or "diving" into a corner shows up.
Factor 5
Time of day
Driving between 11pm and 5am scores worse, because UK claim data shows accident rates per mile are highest in those hours.
Factor 6
Annual mileage
Lower is better. Over the cap (usually 7,000 to 10,000 miles), most policies bill an excess mileage rate (5p to 12p per mile).
Factor 7
Phone use
Newer telematics detect screen-on and call-active states. Touching the screen while moving knocks 5 to 15 points off the score per event.
Insider rule. One late-night drive a month is forgiven by most insurers, because the score is rolling. Five late-night drives a month is not. If you must drive between 11pm and 5am for work, look for a "shift-friendly" telematics product (Marmalade, Tesco Box, Co-op Young Driver).
Pros and cons, honestly
Why telematics wins
- About half-price for 17 to 19-year-olds versus the cheapest standard quote.
- Anti-theft tracking is built in: stolen vehicles are usually recovered within hours.
- Crash detection above 3 to 5 G triggers an automatic welfare call; useful on rural roads.
- Driving data is admissible evidence in a not-at-fault claim dispute.
- You bank a no-claims discount you can take to any insurer afterwards.
Where telematics loses
- A poor score raises the premium, sometimes above what you would have paid on a standard policy.
- Most policies cap mileage at 7,000 to 10,000 miles a year; extra miles billed at 5p to 12p per mile.
- Some products impose night-time curfews or charge extra outside daylight hours.
- Cancellation can cost £80 to £150 plus install fees if you leave within 12 months.
- The insurer holds detailed location data, governed by UK GDPR but still uncomfortable for some.
When telematics is the wrong choice
Despite the 42% headline, there are clear scenarios where a standard policy is cheaper. Pick the one that fits and quote both before buying.
- You drive more than 12,000 miles a year. Excess-mileage charges wipe out the discount.
- You do regular shift work between 11pm and 5am. Even shift-friendly products charge those hours at a premium.
- You are 25+ with several years of clean NCD. Telematics is most useful when there is no driving record to leverage.
- You live in a low-claim postcode in the South West, North East or Wales. The standard-policy multipliers already favour you.
- You share the car with multiple drivers. The box attributes the worst behaviour to the policyholder.
How to switch off telematics cleanly
If telematics has done its job, a year of clean driving banked as no-claims, most drivers should quote a standard policy at the next renewal. The insurer typically wants the hardware box back (return label posted, 14 to 30 days), and your new insurer will ask whether you held a telematics policy previously. Answer yes; lying here is a material misrepresentation that can void the new policy.