Tips on unmissable events and places to see (London)

Dear London Members,

I´m from the Madrid group and I´ll be staying in London until 8th August doing an entrepreneurship programme at Imperial College. Since I want to make the most of my short stay here, I thought surely you could give me a few insider tips to enjoy the city as much as possible. I already know the tourist side, so I´m interested in off-the beaten track activities (love art, design and architecture).

Thanks in advance! Looking forward to hearing from you.
Best,
Irene