This is one of a short series of blog posts describing visits during Open House weekend in London, September 2013. You can find out more about Open House on their web site.
Whilst other, higher profile, locations attracted long queues, the situation here was far more relaxed, with a good opportunity to explore and investigate a site which has a stunning mix of old and new styles.
74 St. James's Street was the site of the old Conservative Club. Construction started in 1843, and although the club moved out a century later, the building went on to be home to McKinsey and Co. in the early 1970s, and now houses the London office of HSBC Private Bank.
There are a few more photos here.