Ok, so Jules, Minifella and I are coming to london for 4 days next month (20th to the 23rd) for a culture trip. We're staying in a nice hotel in the Marylebone District, 500metres off Oxford/Bond Streets.

This trip isn't to see any bands, or have ANYTHING to do with music. It is simply to take in as much of London culture as possible. We already have a full day pencilled in for the Tate Modern. We need advice on where else to go in London over the length of our stay. However, we DO NOT want to go to cheesy venues like Buck Palace, The Tower of London or Madam Tussauds etc.

We are massivlt into art, photography, gardens and architecture. So, ANY advice would be nice. Are there any special events on during that period that we should know about?

Also, are there any nice (non smoking) restaurants around the area that we are staying?