The Building Safety Regulator (BSR) has provided additional feedback on why over 50% of Gateway Two applications for new build Higher‐Risk Buildings (HRBs) that receive a decision are currently being deemed invalid. According to the BSR, invalid applications are missing ‘basic design information’ and the common failings identified include:

• Competence Declaration – not produced by the Client in accordance with Regulation 11 of the Building Safety Act
• Construction Control Plan – often health and safety rather than building safety focussed, with the schedule of Contractor and Designer appointments missing, and no procedures for reviewing and updating the plan
• Change Control Plan – reference to financial implications of changes rather than the impact of design and construction changes on building safety, and no procedures for reviewing and updating the plan
• Building Regulations Compliance Statement – no reference to how the design complies with relevant Building Regulations
• Fire and Emergency File – reference only to fire and not structural risks, and a lack of clarity on how the design delivers a compliant fire strategy

The BSR has also confirmed that it will now be asking for a third‐party review of all submissions related to CFD modelling, the use of computational methods to analyse fluid flow and heat transfer in complex systems.