Sunday, 4 October 2026
Newsletter Retrofit Today Directory

Membership body · Training provider · Leighton Buzzard

The Installation Assurance Authority

Visit website (opens in a new tab) Call 0333 323 9045

About

The Installation Assurance Authority: Membership body, Training provider, Leighton Buzzard. An active limited company, incorporated in 2020.

The Installation Assurance Authority (The IAA) is an industry body and technical authority for installers of insulation, heating and renewable measures in retrofit and new build. It offers membership with oversight and a consumer guarantee, runs an installer registration card scheme and operates the National Energy Efficiency Centre training facility. The organisation operated as CIGA for more than 27 years before launching as The IAA in April 2020 and is based in Leighton Buzzard.

What they offer

  • Installer membership and oversight
  • Installer Registration Card Scheme
  • Consumer guarantees for energy efficiency measures
  • Technical standards
  • National Energy Efficiency Centre training facility

Company details

Registered name
The Installation Assurance Authority Limited
Incorporated
2020 (6 years on the register)
Company status
Active
Company type
Private limited company
Company number
12483858 (Companies House, opens in a new tab)
Registered office
Unit 3, Union Park, Ouzel Industrial Estate, Grovebury Road, Leighton Buzzard
Nature of business
43999 Other specialised construction activities not elsewhere classified
Size
Small business (10 to 49 staff) (estimated)

Source: Companies House public register.

Areas covered

Works across the UK. View on OpenStreetMap (opens in a new tab)

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