Emmie; "White Britons in London are in the minority now."
Can't find any details of the breakdown resulting from the recent census, but this from 2020;
"London is a multi-racial city. 59.8% of the total population are white, among which, 44.9% are white-British., 2.2% Irish and 12.2% of white from various parts of the globe."
"Asians are filling 20.9% of the London populace. Asian statistics include, 6.6% of Indians, 2.2% of Pakistan and 2.7% of Bangladesh. 1.5% of the population is covered by Chinese, with 1.3% of Arabs dwelling the mainland and the rest came from various areas of Asia."