# Minimum Energy Efficiency Standards (MEES)

> UK regulation banning the letting of energy-inefficient buildings.

**Canonical URL:** https://classa.info/glossary/minimum-energy-efficiency-standards
**Page type:** glossary
**Last updated:** 2026-04-01T00:00:00.000Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- UK regulation banning the letting of energy-inefficient buildings.
- Phased: E required from 2018, C required from 2027 (proposed), B required from 2030.

## Key facts
- **category**: Regulations
- **regionScope**: UK

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Citation: Source: Class A Atlas (https://classa.info/glossary/minimum-energy-efficiency-standards), updated 2026-04-01T00:00:00.000Z.