The National Theatre Live Screening from London of 'This House' - a new play by James Graham It’s 1974 and the corridors of Westminster ring with the sound of infighting and backbiting as Britain’s political parties battle to change the future of the nation, whatever it takes. Biting and energetic, This House strips politics down to the practical realities of those behind the scenes who roll up their sleeves, and on occasion bend the rules, to manoeuvre a diverse and conflicting chorus of MPs within the Mother of all Parliaments