Archives: Definitions

Warm Homes: Social Housing Fund Wave 3 (WH:W3)

A UK government funding initiative targeting social housing retrofit in England, launched under broader decarbonisation and fuel poverty strategies. It specifically addresses energy performance upgrades for existing social housing stock.…

Microgeneration Certification Scheme (MCS)

A nationally recognised quality assurance and consumer protection scheme for small-scale renewable energy and low-carbon technology installations in the UK. The MCS sets rigorous standards for the design, installation, and…

Single Room Flow Optimised Heat Recovery (srAFHR)

Single Room Flow Optimised Heat Recovery (srAFHR) is a decentralised mechanical ventilation system designed for individual rooms in residential buildings. It uses alternating airflow technology to extract stale air while…

Ductless MVHR

A decentralised ventilation system used in residential and retrofit projects, particularly where installing ductwork is impractical or cost-prohibitive. A ductless MVHR is a compact, wall-mounted ventilation unit (through-the-wall) that supplies…

Resident Liaison Officer (RLO)

A Resident Liaison Officer (RLO) is a professional responsible for facilitating communication and managing relationships between construction or retrofit project teams and residents or tenants in the UK housing sector.…

Housing Health & Safety Rating System (HHSRS)

Official Definition and Purpose of HHSRS The Housing Health and Safety Rating System (HHSRS) stands as a pivotal risk-based evaluation tool employed by local authorities across England and Wales to…

Reduced data Standard Assessment Procedure 10 (RdSAP10)

RdSAP10 is the latest iteration of the Reduced Data Standard Assessment Procedure, a simplified version of the Standard Assessment Procedure (SAP) tailored for evaluating the energy efficiency of existing homes.…

Direct Labour Organisation (DLO)

A Direct Labour Organisation refers to a workforce directly employed by a housing provider to deliver property services, such as responsive repairs, planned maintenance, or energy-efficiency retrofits. Unlike outsourced contractors,…

Mould Remediation

A systematic process to safely remove, contain, and prevent fungal growth in buildings, particularly in damp or poorly ventilated environments. In the UK context, it is critical for maintaining compliance…
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