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Existing home ventilation guide

Publication Year

2026

Document Status

Current

Abstract

Provides guidance for homeowners regarding ventilation, covering what it is for, how to reduce condensation and mould growth, health protection, requirements within the building regulations, and operating ventilation.

Document History

Last updated: 24 March 2026 - Added updated template for home user guides (the templates are not available in CIS), reflecting changes to Approved Documents L and F under the Future Homes and Buildings Standards. Document type: guidance. First published: 19 January 2026.

Publisher Information

Ministry of Housing, Communities and Local Government

The Ministry of Housing, Communities and Local Government is a UK Government ministerial department with responsibility for several policy areas including building regulation, community integration, economic development in coastal and seaside areas, energy efficiency in buildings, high streets and town centres, housing, local enterprise partnerships (LEPs) and Enterprise Zones, localism, planning reform and the planning system. They were previously known as the Department for Levelling Up, Housing and Communities, MHCLG, Department for Communities and Local Government, the Office of the Deputy Prime Minister, and the Department for Transport and Local Government.