Retrofit installer
A retrofit installer is a 'person or organisation responsible for undertaking and supervising the physical placement of an Energy Efficiency Measure (EEM) in an existing building, together with any other associated repairs and other works, usually a building contractor.' As described in the RICS 'Residential retrofit standard: RICS Professional Standard UK, 1st edition in March 2024, effective from 31 October 2024.
PAS 2030 describes this role as a 'person or organization undertaking the physical placement of one or more EEM(s) in an existing building' It notes that a retrofit installer is usually experienced in the installation of one or more EEMs and can be registered with the relevant certification body for each of those EEMs.
[edit] Related articles on Designing Buildings
- Alterations to existing buildings.
- Do the building regulations apply to works to existing buildings?
- Demolition.
- Material amendment.
- Material change of use.
- Minor material amendment.
- Non material amendment.
- Change of use class.
- Planning permission.
- Permitted development.
- Principal designer.
- Renovation v refurbishment v retrofit.
- Retrofit project roles.
- Types of work to existing buildings.
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
Communities will be able to build their own clean energy.
Why diversity and inclusion matters for SMEs
CIOB’s D&I Charter shows how practical changes can support long-term growth.
Cut electricity bills to power growth
Coalition sends joint letter to the Chancellor.
Gasholders: a history in pictures. Book review.
Recognition, influence and growth
SocEnv identifies three strategic pillars in new strategy to 2045.
Discover the future of roofing, cladding and insulation.
New guidance for professional practice, cultural change and regulation in social housing.
The heritage of nuclear and conventional power stations.
New measures to stop people being ripped off
Government to protect families from cowboy builders and aggressive bailiffs.
New Futurebuild showcase brings an innovation-first approach.
National Planning Policy Framework
Understanding the 2026 changes.
ECA's public affairs priorities
Member consultation opens to shape priorities for 2027 to 2030.

















