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Welwyn Hatfield Borough Council

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Pollution Control - Clean Air Act Approval

The Clean Air Act, 1993, introduced a wide range of new regulations such as those which control smoke emissions and the height of chimneys and those relating to the content and composition of motor fuels.

The control of chimney heights enables local authorities to take into account a number of relevant factors in determining the height of a chimney.

Under section 14 of the Act, unless the height of the chimney has been approved by the local authority and any conditions attached to approval adhered to, it is an offence to cause to cause or knowingly permit a furnace to be used to:

An application for chimney height approval must contain adequate information to enable the necessary calculations to be carried out.

Environment