Do Sub-250g Drones Need Registration in the UK?

Yes — almost certainly. If your sub-250g drone has a camera, and nearly every consumer one does, you need to register with the CAA for an Operator ID before you fly it. And since 1 January 2026 the Flyer ID test kicks in at 100g, not 250g — so nearly every sub-250g camera drone now needs that too. What being under 250g actually buys you is the freedom to fly closer to people (the A1 category), not a pass on the paperwork. The widespread belief that “under 250g means no paperwork at all” is the single most common — and most fined — misunderstanding in UK drone law. Here’s exactly what a lightweight drone does and doesn’t need.
Two different things people muddle together
The confusion comes from treating “registration” as one thing. It’s two, and weight affects them differently.
Operator ID — the registration. This is the CAA’s record of who is responsible for the drone. It costs £12.34 a year, you must be 18 or over to hold one, and the ID must be labelled on every aircraft you operate. One Operator ID covers your whole fleet, however many drones you own.
Flyer ID — the competence test. This is a free online multiple-choice exam drawn from the Drone Code. It proves the person at the controls knows the rules. It’s per-person, not per-drone, and there’s no fee.
Weight moves these two separately. The Operator ID requirement is triggered by the drone having a camera (or weighing 250g+). The Flyer ID requirement is triggered only by weight — and since 1 January 2026 that threshold is 100g, not 250g. Nearly every popular “sub-250g” camera drone (a DJI Neo is around 135g, a Mini or Flip around 249g) sits well over 100g, so it now needs a Flyer ID. That’s the whole knot, and once you separate the two threads the rules are simple.
What a sub-250g camera drone needs
Take the typical case: a DJI Mini, Neo, Flip or similar, weighing 249g or less, with a camera on the front. Here’s the checklist:
- Operator ID — yes. It has a camera, so it needs registering. Label the ID on the airframe.
- Flyer ID — yes. Since 2026 the test is required at 100g and up, and these drones all sit above that. Sit it (it’s free) and note the string.
So the honest answer to “do sub-250g drones need registration?” is: register once as an operator and sit the free Flyer ID test. What being under 250g does buy you is the A1 flying category — you may fly close to uninvolved people, and only briefly and incidentally over them (never over crowds). Cross 250g and you move into the stricter A2/A3 distance rules.
The Flyer ID test is free and takes about twenty minutes, and the rules of the air apply to you whether or not you’ve read them. Flying a sub-250g drone doesn’t exempt you from the 120m height limit, line-of-sight rule or the ban on endangering people — it makes proving you know them a legal requirement.
The one case where you need nothing
There is a genuine no-registration category, and it’s narrow: a drone under 100g with no camera, that qualifies as a toy. A camera-free micro quad under 100g, flown indoors or in the garden, needs neither an Operator ID nor a Flyer ID. This is the slice of the market — cheap toy drones, some kids’ models — where “no paperwork” is literally true. (A camera-free drone between 100g and 250g still needs a Flyer ID, though not an Operator ID.)
The moment a camera is bolted on, though, the toy exemption falls away and the Operator ID requirement kicks in, whatever the weight. Since a drone with no camera is of little use to most people, the practical reality for anyone buying a real flying camera is: you register. If you’re weighing up a first drone for a child, the camera-or-not distinction is exactly what decides whether you’re in “no ID needed” territory or not.
How to register, label and renew
The process is quick and done entirely on the CAA’s own website — you don’t need a third-party service, and you should be wary of sites charging a markup to do it for you.
- Register for the Operator ID on the CAA site, pay the £12.34, and you’re given an ID string.
- Label the drone. Write or print the Operator ID somewhere on the aircraft — a sticker or a bit of tape is fine — so it can be read without tools. If you own several drones, the same ID goes on all of them.
- Sit the Flyer ID test (required for any drone 100g or more, which covers virtually every camera drone) and note the separate Flyer ID string. It doesn’t go on the drone; you keep it as your own competence record.
- Renew the Operator ID every year. It lapses annually and you re-pay the small fee. The Flyer ID lasts longer between renewals but also has an expiry — check the dates on your CAA account.
The distinction between the two IDs, plus the A2 and GVC certificates for closer or commercial flying, is laid out end to end in our guide to what counts as a drone licence in the UK — worth a read if the alphabet soup of IDs is still murky.
Why the myth persists — and why it’s expensive
“Under 250g, no registration” spread because it used to be half true and it’s the half people want to hear. It was never a pass on the Operator ID — and since 1 January 2026 it isn’t a pass on the Flyer ID either, because that test now applies from 100g. What sub-250g still buys is the A1 category’s freedom to fly closer to people, not lighter paperwork. Repeating the old myth is how hobbyists end up flying an unregistered, untested camera drone, which is a breach of the Air Navigation Order and can carry a fine. Registering costs less than a couple of coffees a year and takes minutes; the downside of not doing it is out of all proportion to the saving. If you own a lightweight camera drone, register it and move on.
FAQ
Do I need to register a DJI Mini or Neo in the UK?
Yes, for an Operator ID, because they have cameras — even though both are under 250g. You also need a Flyer ID: since 1 January 2026 the free test is required at 100g and up, and both drones weigh more than that. In short: register as an operator and sit the free Flyer ID test.
What’s the difference between an Operator ID and a Flyer ID?
The Operator ID registers who is responsible for the drone — it costs £12.34 a year, is labelled on the aircraft, and covers your whole fleet. The Flyer ID is a free online test proving the person flying knows the rules, held per person. A camera drone needs an Operator ID at any weight; the Flyer ID is required for any drone weighing 100g or more, a threshold that dropped from 250g on 1 January 2026.
Is there any drone I can fly with no registration at all?
Only a drone under 100g with no camera that qualifies as a toy. That needs neither ID. A camera-free drone between 100g and 250g still needs a Flyer ID, and as soon as a drone has a camera an Operator ID is required regardless of weight, so the no-registration category is limited to sub-100g camera-free micro and toy drones.
How much does drone registration cost and how often do I renew?
The Operator ID is £12.34 a year and must be renewed annually — it lapses if you don’t. The Flyer ID test is free and lasts longer between renewals, but it also expires, so check both dates in your CAA account. There’s no need to pay a third-party site; register directly with the CAA.
Registered and clear on the rules? The next step is choosing a drone that stays under the line properly — see our pick of the best sub-250g drones in the UK.