The Roundhouse is a destination formerly available. It comes with a five-way switch track that could connect to all berths in the sheds. This can be replaced with the Round-About Action Turntable.
- 1996-2003 (window version)
- 2004-2009 (faux wooden shutters version)
- 2009-2010 (Roundhouse value pack with Thomas, James, and Duncan)
- The original version of the roundhouse uses the same side lithographs as the Special Engine Shed, trimmed slightly to fit.
- This destination was succeeded by the more television-accurate Tidmouth Sheds.
- The 2004-2009 version of the roundhouse sometimes came with a free Round-About Action Turntable.