At the by-election the following year, after Astor succeeded to a peerage, he contested the seat again but was again defeated. In his final try for Parliament, in 1955, he narrowly lost the new seat of Eastleigh to the Conservatives.
The following year, after Astor became a peer, he ran for the seat again but was unsuccessful.  In 1955, he came close to winning the new seat of Eastleigh from the Conservatives.