Open House London

This annual event allows the public to cross the threshold of some of London’s most interesting buildings, including Grade I, 1730s Benjamin Franklin House. Half-hourly guided tours will take place throughout the day.

Suitable for
Any age

Admission
Free – half-hourly tours run on a first come first served basis Donations welcome

Source: http://www.culture24.org.uk/am32238?id=EVENT569416