If your design does not comply with siting requirements, an application for a siting variation is required. This relates to Part 5 of the Building Regulations.
You may need to apply for a siting variation if a design doesn't meet the requirements of Part 5 of the Building Regulations 2018.
Prior to applying for a building permit, a flooding application may be required if the land liable to flooding. This is related to Building Regulations 153 or 154.
Before you can get a building permit for demolition, you may need to apply for consent. This is related to Section 29A of the Building Act.