SIM card for the UK — or eSIM?
The UK is friendlier to SIM-card buyers than most of Europe: no passport registration, supermarket SIMs from a few pounds, and four national networks with solid coverage. If any country makes plastic easy, it's this one.
And yet most visitors still lose an hour of London to it — finding the shop, picking a tariff from a wall of them, waiting for the top-up to register. Here's the honest comparison with a travel eSIM you install before your flight lands at Heathrow.
What connectivity in the UK really costs.
Four ways to get data, side by side — including the catches the kiosk doesn't mention.
Typical 2026 ranges for comparison; the live UK eSIM price for your trip length is on the plan page.
Where a physical SIM still makes sense.
We sell eSIMs, so take this section as the proof we're being straight with you: three cases where we'd honestly tell you to buy the plastic.
Stays past a couple of months
UK prepaid bundles are aggressive — long stays and working holidays get more gigabytes per pound from a local SIM with a UK top-up routine.
You need a UK phone number
Deliveries, viewing appointments, some booking lines — if your stay involves people calling you on a +44 number, plastic provides it. A data-only eSIM keeps your home number for WhatsApp instead.
No eSIM support on your phone
Phones older than about 2018 and some mainland-China models lack eSIM. Dial *#06# — no EID listed means physical SIM it is.
The multi-country question.
Here's the catch UK guides bury: since Brexit, a UK prepaid SIM is a poor travel companion for the rest of Europe — EU roaming allowances on UK SIMs were cut back across the networks, so the £15 SIM that's brilliant in Edinburgh can bill sharply in Paris.
If the UK is one stop on a European route, the Europe eSIM covers all 41 countries — the UK included — on one plan. London to Paris on the Eurostar becomes a non-event: the eSIM swaps to a French partner network before you're out of the tunnel.
Will your phone take an eSIM?
All four UK networks support modern phones fully. For eSIM: iPhone XS/XR or newer, Galaxy S20 or newer, Pixel 3 or newer, plus most recent Androids — unlocked. The *#06# dial check shows an EID if your phone is ready.
Run the 30-second check →