M&n heating & plumbing, and all relevant staff members, are gas safe registered our business registration number is. Know your rights - broadband, phone & tv services. Planning applications, building regulations, conservation, regeneration, planning committee. If you’re buying a new boiler, or just trying to decide if you need one, how efficient it is will be a big part of your decision. Plumbers in the united kingdom are required to pass level 2 and level 3 vocational requirements.