Try walking to the top of the Monument with a hangover. Then I'll be impressed. (I just about managed it without puking. My daughter had missed the class trip due to illness and I had promised to take her.)
Second indoor market in Peckham, Chinese chap v. helpful. Cheaper than Zenoria. If it's not a waterproof job, the key cutter in the market can easily change them.
I struggled with Parade's End and gave up after not very far in. Found it somewhat turgid and wanted to slap the protaganist. Is it worth persevering with? Haven't seen the TV series so no preconceptions.