Independent Surveillance of Assessment (ISA)

03333 239045 |
The ISA service is exclusively available to IAA Members and provides installers with a streamlined approach to fulfilling independent surveillance of assessment needs under PAS 2030-19. Installer members and their Assessors can lodge assessments through the ISA platform.
The IAAs CS delivers a quick turnaround, providing the confidence that the properties being installed are suitable and have received independent assessment by a dedicated team of Desktop Auditors and Site Inspectors.

Benefits of The IAA CS ISA Service
The IAA CS provide members with an end-to-end service meaning all services including Retrofit Coordination, Ventilation and Air Tightness Testing for example are available in one place, with no need to go elsewhere for your ISA requirements. We also provide the following benefits:
  • Online – Streamlined online assessment linking to guarantees where applicable
  • Turnaround – Quick turnaround for approval
  • Contractors – Access for your approved Contractor who can make payments on your behalf (when notified and approved by you)
  • Payments – Easy online payments
  • Team – A dedicated team to support you with your ISA queries, manage assessments and easy online payments
  • Access – Platform access with ‘how to guides’, FAQs, guarantees and process flowcharts
  • Compliance – To PAS 2030-19

Available ISAs by measure

  • Cavity Wall Insulation
  • SWI - including EWI/IWI/Hybrid
  • New Build
  • Room In Roof Insulation
  • Underfloor Insulation
  • Flat Roof Insulation
  • Loft Insulation
  • Park Home Insulation

How much does it cost?

Enquire about ISA

For more information about ISA or to add a measure to your access list, contact us on
Other IAA CS services
The IAA CS offer additional services as part of The IAA end-to-end offering, these include: