Roofing is one of the easiest trades to get wrong and one of the hardest to inspect afterwards. Most disputes trace back to a vague quotation or an uninsured contractor.
These answers explain the checks worth making before work starts: insurance, written specifications, payment terms, guarantees, references and the pressure tactics that should end a conversation.
There is no single universal qualification covering every type of roofing work. Competence can come through training, apprenticeships, trade experience and specialist qualifications, so homeowners should assess relevant experience, insurance, workmanship and evidence of competence together.
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Membership of a recognised trade organisation can provide another useful trust signal, but it should not replace normal checks on insurance, recent work, reviews, quotations and actual experience with the type of roof involved.
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