Demolition is dealt with under the Building Act 1984. Generally, it requires six weeks prior notice to be given to the Local Authority Building Control before demolition begins.
The Local Authority Building Control may decide to issue a notice within six weeks on receipt of the notification to specify conditions that need to be met which may include precautions to protect adjoining properties and the public.
Demolition work must also comply with the Construction (Design and Management) Regulations 2015 and a health and safety plan produced by the principal contractor
Building Regulations relating to site preparation and resistance to contaminants and moisture will need to be met once the preparation work starts on the site.
Please contact local authority Building Control for further advice.
Disclaimer - Wales
This is an introductory guide and is not a definitive source of legal information. This guidance relates to the planning regime for Wales. Policy in England may differ. If in doubt contact your Local Planning Authority.