Day Date Month Holiday
Friday 01 Jan New Year's Day
Friday 25 Mar Good Friday
Monday 28 Mar Easter Monday
Monday 02 May Early May Bank Holiday
Monday 30 May Spring Bank Holiday
Monday 29 Aug Summer Bank Holiday
Friday 23 Dec Christmas (Markets closing process commences from 12:30 London time.)
Monday 26 Dec Boxing Day
Tuesday 27 Dec Christmas Holiday
Friday 30 Dec New Year (Markets closing process commences from 12:30 London time.)
Source: http://www.lseg.com/areas-expertise/our-markets/london-stock-exchange/equities-markets/trading-services/business-days