to power skts, lights, & U-Floor heating I would want to run in a new circuit from Consumer unit rather than just picking up from existing socket nearby, so see who says that,
also look in yellow pages, ect. for a 'Trust Mark' registered firm, most who are Part P registered should have signed up to this government backed fair trading / insurence scheme which gives good guarentees if a problem arises, get a written detailed quote & make sure you mention to whoever you are thinking of using that you want 'Completion Certs' for work to go in your household records, & say building control are involved in work on conservatory. Any 'chancers' will run a mile!!!
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