Residents in Bishop’s Stortford were targeted by a bullying suspected rogue trader offering repairs and maintenance on their homes for hundreds of pounds. In one case he told a householder that the money he had already paid was only a deposit, and in another a woman gave him her bank card to withdraw cash from her account after he refused to leave. Police have today (Thursday) issued an appeal for information and camera footage from witnesses or anyone else who has been similarly approached. Hertfordshire Constabulary received reports in August that a white man driving a grey van was cold-call…