- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 29 Jan 2019
Alterations to existing buildings
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: Do the building regulations apply to existing buildings?
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.
 Related articles on Designing Buildings Wiki
- Building regulations.
- Change of use class.
- Do the building regulations apply to existing buildings?
- Henry Boot Construction Ltd v Alstom Combined Cycles.
- International Existing Building Code (IEBC).
- Material change of use.
- Planning permission.
- Permitted development.
Featured articles and news
The David Lloyd Lymington Sports Village was 'Commended' in CIAT's 2018 AT Awards.
How do we make the smart city a reality?
Sir Nicholas Grimshaw has been awarded the UK’s highest honour for architecture.
Protecting the construction industry from Brexit.
Conceiving buildings collaboratively, testing them virtually.
Effective collaboration in post-disaster response and recovery
How do you prepare a claim for an extension of time and ensure it isn't rejected?
How innovative ‘design thinking’ may lead to new surface-water solutions.
What will be this year's office design trends?
Enhancing sustainability and resilience in disaster response.
What are EIAs, why are they needed and for which type of project?