Guidance on the project triggers that commonly lead to a Air Tightness Testing enquiry.

A practical checklist of the information that helps EnviroSolution review a Air Tightness Testing requirement quickly.

Late booking or incomplete readiness can create avoidable pressure near handover.

Coordinating multiple plots is easier when unit status and likely test dates are known early.

If a plot fails, the practical next step is to review likely leakage points and plan a retest efficiently.

Testing and SAP often sit close together in the wider compliance route for residential projects.

Testing usually works best once the dwelling is close to final condition and ready for a meaningful result.

Smaller developments can still need testing where compliance and sign-off require it.

Turnaround depends on readiness, location, access and the number of units involved.

Developers, site managers and contractors commonly coordinate air tightness testing.