It should do, as the UK Government categorically lists it as a bank holiday, declared under current statutory provision, at
https://www.gov.uk/bank-holidays.
For many decades Good Friday was a traditional public holiday, not a bank holiday, but the situation was tidied up a fair few years back, I believe, and all bank holidays (and substitute days where, for example, Christmas Day would fall on a weekend) are declared using the same statutory instrument.