Here are the great list of bitcoin events around world:
https://www.coindesk.com/bitcoin-events/
You can find events exactly in London:
September 20, 2017 Blockchain Live: Unlocking the Value of Blockchain for Enterprise and the Public Sector
September 24, 2017 The Dash Conference
September 25-26, 2017 World Blockchain Forum - Investments & ICOs
October 5, 2017 Blockchain Summit London
October 11, 2017 ICO Event London
October 12, 2017 TRUST Megatrends, A Blockchain Masterclass
October 13, 2017 Healthcare: Unblocked
October 31, 2017 Marketforce's 3rd annual The Blockchain Summit
November 14, 2017 Digital Commodities Summit
November 21-22, 2017 Fintech World Forum 2017
November 28, 2017 Blockchain Summit
February 13-16, 2018 Finovate Europe 2018
https://www.coindesk.com/bitcoin-events/
You can find events exactly in London:
September 20, 2017 Blockchain Live: Unlocking the Value of Blockchain for Enterprise and the Public Sector
September 24, 2017 The Dash Conference
September 25-26, 2017 World Blockchain Forum - Investments & ICOs
October 5, 2017 Blockchain Summit London
October 11, 2017 ICO Event London
October 12, 2017 TRUST Megatrends, A Blockchain Masterclass
October 13, 2017 Healthcare: Unblocked
October 31, 2017 Marketforce's 3rd annual The Blockchain Summit
November 14, 2017 Digital Commodities Summit
November 21-22, 2017 Fintech World Forum 2017
November 28, 2017 Blockchain Summit
February 13-16, 2018 Finovate Europe 2018
Great we will look to attend some of these. Hope to see you all there!