Author: Oliver Wakefield-Smith, Founder Digital Signet. Reviewed against DfE Sustainability Strategy (Mar 2025) and Education Estates Strategy (Feb 2026). Verified 22 June 2026.
GIA: gross internal area (m2). MYEE: Mandatory Year-End Energy return (academies). CDC1, CDC2: Condition Data Collection cycles (DfE). SEMS: Sustainability Energy Management System. CAP: Climate Action Plan.
GIA: gross internal area (m2). MYEE: Mandatory Year-End Energy return (academies). CDC1, CDC2: Condition Data Collection cycles (DfE). SEMS: Sustainability Energy Management System. CAP: Climate Action Plan.
PSDS: Public Sector Decarbonisation Scheme. CIF: Condition Improvement Fund (administered by Salix on behalf of DfE). LCSF: Low Carbon Skills Fund. HDP: Heat Decarbonisation Plan (the LCSF output that feeds a PSDS bid).
kWh: kilowatt-hour. p/kWh: pence per kWh (Ofgem default cap unit). Spark Spread: gas-versus-electricity unit cost ratio. SCOP: seasonal coefficient of performance (heat pump).
TM52, TM59: overheating analysis. TM39: building energy metering. U-value: thermal transmittance (W/m2K). EnerPHit: Passivhaus retrofit certification. ACH at 50 Pa: airtightness.
LAEP: Local Area Energy Plan (Scotland). LHEES: Local Heat and Energy Efficiency Strategy. NZW: Net Zero Wales.