Topham Hall is the mansion where Sir Topham and Lady Hatt live.

In the Railway Series, the dining room of Topham Hall was seen in an illustration in Toby the Tram Engine. In the television series, the interior of Topham Hall was seen in Thomas in Trouble, A Scarf for Percy and Lady Hatt's Birthday Party.

Topham Hall is situated somewhere on the outskirts of Wellsworth.