You do NOT need a Home Information Pack for:
- Properties where there is no marketing (e.g. sale to member of your family)
- Non-residential properties
- Seasonal and holiday accommodation
- Mixed sales (e.g. shop with flat)
- Right to buy and similar sales
- Sales of portfolios of properties
- Properties not being sold with completely vacant possession
- Unsafe properties and properties to be demolished
More information can be found here