Fact Sheets

On 27 June 2019, the UK became the first major economy in the world to set its net zero greenhouse gas emissions target in law. To achieve this by 2050, updates to Part L and F of the building regulations come into force as of 15 June 2022.

Naturally the pace of change and ongoing debate around this has caused much disruption among the construction sector. Particularly concerning are tightening background ventilation requirements under Part F, with the Government making trickle vents mandatory for many new frames. In response, REHAU has developed these simple fact sheets as a reliable aid.