Peerage Act 1963

6 Peeresses in own right.U.K.

A woman who is the holder of a hereditary peerage in the peerage of England, Scotland, Great Britain or the United Kingdom shall (whatever the terms of the letters patent or other instrument, if any, creating that peerage) have the same right to receive writs of summons to attend the House of Lords, and to sit and vote in that House, and shall be subject to the same disqualifications in respect of membership of the House of Commons and elections to that House, as a man holding that peerage.