If we can still believe surveys, 90 percent of England believes that being English is not about colour, yes, 90 percent, supposedly:
https://www.theguardian.com/society/2019/jun/30/being-english-not-about-colour-say-majority
“The number of people who believe that in order to be English you have to be white has halved over the past seven years, with the older generation apparently driving a wider acceptance of people with different ethnic backgrounds. Just over 10% of people believe that ethnicity is an important determining factor in being English, compared to 20% from a 2012 study, according to British Future and the Centre for English Identity and Politics, which is about to publish its follow-up to the 2012 study, This Sceptred Isle. The biggest change was noted among over-65s, where the importance of whiteness fell from 35% to 16%. The new data could challenge the perception that the 2016 Brexit referendum reflected an increase in xenophobic English identity. The findings suggest that during the time of the Brexit vote, perceptions of English identity were becoming more, rather than less, ethnically inclusive.