During the programme he visited Stirling Castle, Dunrobin Castle, Gearrannan on the Isle of Lewis and Charles Rennie Mackintosh's masterpiece, the Glasgow School of Art before finishing at the new Scottish Parliament Building in Edinburgh.
Visiting sites where the Industrial Revolution began, he looked at the canals and locks of the West Country and the tin mines of Cornwall before travelling across Wales to Thomas Telford's Menai Bridge and Ireland to explore Georgian Dublin.
Episode 5: The North: Full Steam Ahead The start of Queen Victoria's reign saw Britain's greatest construction explosion and in this programme Dimbleby travelled to Manchester, Leeds, Newcastle and Blackpool's Tower Ballroom to find out how factories, town halls, sewers, churches, hospitals and dance halls were built in an attempt to deal with the rapidly expanding urban population.
Episode 6:The South: Dreams of Tomorrow In the final programme Dimbleby examines twentieth-century architecture and explored suburban homes and tower blocks in London and other buildings in the South East of England.
[1] Dimbleby also wrote a book, 'How We Built Britain' (Photography Paul Barker), to accompany the series.