- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 10 Jul 2018
Alterations to existing buildings
Existing buildings often undergo alterations during their life to change, modify or improve their performance or the nature of their use.
Common examples of alterations include:
- Total or partial change of use.
- Partial demolition.
- Linking or separating spaces.
- Making or closing openings.
- Retrofitting a new a component or feature.
- Refurbishing an existing a component or feature.
- Renovating an existing component or feature.
- Repairing an existing component or feature.
Examples of permitted developments include; certain enlargements or alterations to houses, construction of some sheds and fuel storage containers, certain porches, doors and windows, and so on. The best way to determine whether a development is permitted or not is to ask the local planning authority.
For more information see: Permitted development.
For more information see: Planning permission.
- What qualifies as ‘building work’ and so falls under the control of the regulations.
- What types of buildings are exempt (such as temporary buildings).
- The notification procedures that must be followed when starting, carrying out, and completing building work.
- Requirements for specific aspects of building design and construction, such as; structure, drainage, fire safety, conservation of fuel and power, access for people with disabilities and so on.
For more information see: Building regulations.
On larger projects, the The Construction (Design and Management) Regulations (CDM regulations) may also apply. The CDM regulations are intended to ensure that health and safety issues are properly considered during a project’s development so that the risk of harm to those who have to build, use and maintain structures is reduced.
For more information see: CDM regulations.
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