From 1990 until 2003 he taught at the Mackintosh School of Architecture at the Glasgow School of Art.Currently he teaches "Architecture in London: A Field Study" at New York University in London, where he leads his students on brisk walking tours throughout the city.

Gavin Stamp has presented a number of programmes about architecture for Channel 5. In 2005 he presented Pevsner’s Cities: Liverpool and Pevsner’s Cities: Newcastle and in 2006 Pevsner's Cities: Oxford; each programme profiled the cities with reference to the writings of architectural historian Nikolaus Pevsner. In 2007 he presented a five-part architectural travel series Gavin Stamp’s Orient Express . Stamp travelled by train along the original Orient Express route, stopping off on the way to look at architecture and to see how the history of Eastern Europe is told in its buildings.

Stamp has also made various television appearances as an expert interviewee: in 1986 he appeared in A Sense of the Past, a 6 part series for schools produced by Yorkshire Television about the relationship between buildings and local history; in 1990 he was interviewed for Design Classics: The Telephone Box, a favourite subject of Stamp's and one he has written about; in 1995 he appeared as guest expert in an episode of One Foot in the Past about Brunel; and in 2003 he was interviewed by Paul Binski for an episode of Channel Five's Divine Designs which profiled Alexander 'Greek' Thomson's St. Vincent Street Free Church in Glasgow.