In May 2022, the Welsh government released the next versions of their Building Regulations and Approved Documents: F1, L1 and O.
These changes will come into force from 23rd November 2022, however any buildings subject to a building notice, full plans application or initial notice submitted prior to 23rd November 2022 are not required to comply with the new regulations - provided that work for each building started before 23rd November 2023.
Approved document F, Volume 1 - ventilation in dwellings.
Approved Document L, Volume 1 - Conservation of fuel and power in dwellings.
Approved document O - Overheating.
The amendments to the Building Regulations include:
The amendments to the Approved Documents include:
The full changes can be found in the new Approved Documents, or the Building Regulations circular, however the key points are listed below:
It's expected that the Welsh government will release the changes to commercial Building Regulations later in 2022.
Building Regulations - In this page, Building Regulations refer to The Building Regulations 2010 and any updated versions.
Approved Documents - Documents that set out ways for how to comply with each part of Building Regulations, in ordinary circumstances. These are not necessarily the only ways to comply and even may not be suitable in certain situations.
Thermal Elements - Walls, floors or roofs which separates a thermally conditioned part of a building from the external environment. This does not include windows or doors.
SAP - Standard Assessment Procedure.
SAP 10 - The most up-to-date version of the SAP methodology.
Methodology - A system of rules/procedures set out for doing something, and in the case of EPC's, a system of procedures for calculating energy efficiency and creating an EPC.
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