6. c. 67) was an act of the Parliament of the United Kingdom which nationalised, or bought into state control, the gas making and supply industry in Great Britain.

It vested the existing local authority and company-owned gas undertakings into the area boards with effect from 1 May 1949.

[2] In June 1944 the Minister of Fuel and Power appointed a committee of inquiry under the chairmanship of Geoffrey Heyworth to review the structure and organisation of the industry and to advise on changes to develop and cheapen gas supplies.

The Gas Bill was introduced into the House of Commons on 22 January 1948 by Hugh Gaitskell the Minister of Fuel and Power.

[3] Section 55 empowered the Minister to define the standards of the gas supplied including its pressure, calorific value and composition.

[4] Schedule 4 repealed all previous irrelevant enactments relating to the gas industry, the 1948 act itself became the new legal basis.