sentences:  It was during this period that the attractive old people's dwellings were built at Brittenden Close, round three sides of a square lawn with rose gardens and terrace.In 1947, the Town & Country Planning Act set the boundary of Green belt (United Kingdom) at the Green Street Green edge of the town of Orpington, by the A20 and A21 roads.From the 1920s till the 1960s Green Street Green was such a popular meeting point for cyclists that several tea rooms opened in the village, attracting trade from the hordes of weekend cyclists who rode into the Kent countryside from London's suburbs.