The grand London 'semi' that spawned a housing revolution - a history of cities in 50 buildings, day 8

3-5 Porchester Terrace is a substantial pile by anyone's standards. But this west London home set the template for Britain's most popular type of housing Lined with the Italianate mansions of ambassadors' residences and the palatial pieds-à-terre of Middle Eastern royals, Porchester Terrace in west London is an unlikely place to find the original icon of suburbia. But the building that would spawn Britain's most ubiquitous suburban housing type lurks right here: now protected behind defensive l...