Airtightness and fan testing Building regulations usually require newly built homes to provide proof of airtightness and extraction fan testing before completion. Find out more here. Building control enforcement It is important to comply with building regulations. This page provides information on how these regulations are enforced. Building regulation inspections If you have a current application with our building control team then you can ask for a site visit. Dangerous structures The responsibility for the safety of property rests with the building owner. If your property has suffered damage during an incident it is your responsibility to make it safe. Demolition notices If you plan to demolish a building, you should complete a Section 80 notice. The form can be found here. Retrospective approval The law requires a person carrying out building work to apply to building control before they start work.