 The town saw a major expansion in the 1970s as the construction of a bypass in 1969 , and its conversion into part of the M5 in 1974 , made it a popular commuter town , and it continued to expand during the closing years of the 20th century and the first few years of the 21st century . The Mid Devon Local Development Framework Proposals include plans to erect 95 new dwellings a year , and to build 4 @,@ 000 square metres ( 43 @,@ 000 sq ft ) of new employment floorspace a year between the start of the plan and 2026 . The first Cullompton town website was set up in 1998 and a new website was created in 2011 . CCTV was installed in the main street in 2000 . 
