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CB/401 - Retrofitting Energy Efficiency Measures

Sector: Construction

Categories: Central heating | Buildings. Public | Walls. Partitions. Façade | Buildings. General | Thermal insulation

Overview: Under the direction of the CB/-, is responsible for the UK creation and input to standards in the field of retrofitting existing buildings with energy efficiency measures. This committee will address quality issues in relation to the assessment, design, installation and commissioning of energy efficiency measures in buildings.

Committee standards activity

In Progress (3)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS 40104 Assessment of dwellings for retrofit

Categories: Information management | Standardization. General rules | Construction | Construction materials and building | Buildings. General

Proposal begins : 2021-07-27 		Proposal
BS 40102 A new British Standard on health and wellbeing, thermal comfort, indoor air quality and overheating in buildings

Categories: Information management | Standardization. General rules | Environment | Air quality | Construction | Construction materials and building | Buildings | Buildings. General

Proposal begins : 2021-08-06 		Proposal
BS 40101:2022: Building performance evaluation of occupied and operational buildings (using data gathered from tests, measurements, observation and user experience).

Categories: Information management | Standardization. General rules

Proposal begins : 2026-03-12 		Proposal
Published (3)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS 40104:2025 Retrofit assessment for domestic dwellings. Code of practice

Categories: Thermal insulation | Central heating

Published standard begins : 2025-09-24 		Published standard
BS 40102-1:2023 Health and well-being and indoor environmental quality in buildings. Health and well-being in non domestic buildings. Code of practice

Categories: Buildings. Public

Published standard begins : 2023-04-28 		Published standard
BS 40101:2022 Building performance evaluation of occupied and operational buildings (using data gathered from tests, measurements, observation and user experience). Specification

Categories: Buildings. General

Published standard begins : 2022-01-31 		Published standard
Withdrawn (0)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.