New and proposed Building Regulation approved documents in 2022
In 2022 the were many changes to the UK building regulations, in particular Approved Document L which was revised to help UK deliver net zero and to require that new homes produce around 30% less CO2. Also the introduction of The Building Safety Bill 2019-20 was announced in the Queen’s Speech on 19 December 2019 following the Grenfell Tower fire on 14 June 2017. Its intention was to put in place new and enhanced regulatory regimes for building safety and construction products, and to ensure residents have a stronger voice in the system.
A new Approved Document O was published for the UK which set up new requirements to manage and control overheating. Its requirements in brief are for 'Reasonable provision to limit unwanted solar gains in summer and provide an adequate means to remove heat from the indoor environment. Considering safety, enjoyment, mechanical cooling only as last resort.'
An industry proposed new Approved Document Z, was also put forward to the government in July 2021, an amendment to the UK building regulations to regulate embodied carbon on all major construction projects. The amendment, if introduced (currently only an industry proposal, and not backed by government),would require whole life carbon assessments and compliance with embodied carbon limits for projects greater than 1000m2 (or 10 dwellings). The proposal was publicly launched in Westminster in March 2022.
[edit] Related articles on Designing Buildings
- Approved documents.
- Building control bodies.
- Overheating.
- BPIE report urges EU to incorporate the carbon footprint of construction into policy.
- Climate change act.
- Climate change science.
- Climate Emergency Design Guide.
- Embodied carbon.
- Upfront emissions.
- Use stage embodied carbon.
- Solar gain.
- Statutory approvals.
- Statutory authorities.
- The Building Act.
Featured articles and news
The future workforce: culture change and skill
Under the spotlight at UK Construction Week London.
A landmark moment for postmodern heritage.
A safe energy transition – ECA launches a new Charter
Practical policy actions to speed up low carbon adoption while maintaining installation safety and competency.
Frank Duffy: Researcher and Practitioner
Reflections on achievements and relevance to the wider research and practice communities.
The 2026 Compliance Landscape: Fire doors
Why 'Business as Usual' is a Liability.
Cutting construction carbon footprint by caring for soil
Is construction neglecting one of the planet’s most powerful carbon stores and one of our greatest natural climate allies.
ARCHITECTURE: How's it progressing?
Archiblogger posing questions of a historical and contextual nature.
The roofscape of Hampstead Garden Suburb
Residents, architects and roofers need to understand detailing.
Homes, landlords. tenants and the new housing standards
What will it all mean?
The Architectural Technology podcast: Where it's AT
Catch-up on the latest episodes.
Edmundson Apprentice of the Year award 2026
Entries now open for this Electrical Contractors' Association award.
Traditional blue-grey slate from one of the oldest and largest UK slate quarries down in Cornwall.
There are plenty of sources with the potential to be redeveloped.
Change of use legislation breaths new life into buildings
A run down on Class MA of the General Permitted Development Order.
Solar generation in the historic environment
Success requires understanding each site in detail.





















