what questions to ask building contractor?
['How long have you been working in the industry? ... ', 'What accreditations do you have? ... ', 'What Health and Safety procedures do you follow? ... ', 'Do you provide insurance? ... ', 'Are you members of any industry organisations? ... ', 'Do you have any customer testimonials? ... ', 'What is the timescale for the project? ... ', 'What materials do you specialise in?']