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- Project activities
- Legislation and standards
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Last edited 06 Nov 2020
Types of work to existing buildings
Restoration is the process of returning a building to its former state. Restoration work is most commonly undertaken on historic buildings; accurately recreating its form, features and character as it appeared at a particular time, while protecting its heritage value. Decay or alterations made to the building can be reversed as part of restoration works.
Retrofitting is providing a building with a component or feature not originally fitted. It is often used in relation to the installation of new building systems, such as heating systems, but it might also refer to the fabric of a building.
The Town and Country Planning (Use Classes) Order categorises uses of land and buildings. Developments may not be used for purposes that are not within the use class for which they received planning permission. Changing the use of a development from one class to another may require planning permission.
Deconstruction is ‘construction in reverse’. As construction involves assembling and erecting buildings, so deconstruction is the complete opposite: it involves taking buildings apart piece by piece, avoiding damage.
 Related articles on Designing Buildings Wiki
- Alterations to existing buildings.
- Do the building regulations apply to works to existing buildings?
- Material amendment.
- Material change of use.
- Minor material amendment.
- Non material amendment.
- Change of use class.
- Planning permission.
- Permitted development.
- Renovation v refurbishment v retrofit.
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