A busy Oxford Street, a week before Christmas
The entrance to Selfridges
For pictures of 2011 Christmas lights in London, see my Xmas 2011 set in Flickr.
A Blog with pictures.
The current Somerset House was built as government offices around 1800. Parts of it were occupied for many years by the Inland Revenue with the courtyard used as a car park, but the buildings now house various art exhibitions and the courtyard is open to the public.