As people use online banking more, less are going to physical buildings. Plus their hours were also awkward and didn't fit in with people working weekends etc. Why pay all the costs of maintaining a building, and more importantly, the costs and wages of people to staff them when you can have a website?

Where I live in Ware, Hertfordshire we don't have a bank anymore. There used to be ay least four. There's building society, but banking has to be done via the post office. Which is in a shop. The main post office closed some years ago and moved into a shop. That closed and we had nothing for over a year.

It's shite.

Nothing to do with Brexit, banks have been reducing their high street presence for 20yrs plus in the UK.

Santander had some banks become part Costa Coffee and part bank to reduce costs as another example of money saving.

Too expensive to keep branches open

Nobody really does physical banking any more so the banks are closing their physical branches. There's a lot of backlash because a few people can't use online banking, it's difficult because the numbers are small and it's hard to justify staffing a full building when 5 customers turn up each day.

It's not brexit related.

Ah, OK thanks for the insight

When you think about it, it does make sense from the business point of view. Banks don't make money on individual customers, so the ones that use physical locations. They make money off corporate customers, who are terribly unlikely to ever need to talk to a clerk in person. And with individual customers moving to online banking, it's even less justifiable to run a physical location.