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Chimney heights

✵ Christmas is coming! Don't miss the Magical Middlesbrough parade this Sunday from 1pm. ✵

Under the Clean Air Act 1993, chimney heights have to be approved by the local authority. Unless approval is given, it is an offence to permit a furnace to be used to:

  • burn pulverised fuel

  • burn at a rate of 45.4 kg (or more) per hour, any other solid matter

  • burn at a rate equivalent 366.4 kW or more, any liquid or gaseous matter

Applying for chimney height approval

If you wish to make an application for a chimney height approval please contact us.

Phone: 01642 245432 (Monday to Thursday: 8:30am to 5pm, and Friday: 8:30am to 4:30pm)

You'll need to fill in an application form. We have four weeks, or longer by written agreement, to decide on your application.

Further information about calculating chimney heights is available in the third edition of the Clean Air Act Memorandum on Chimney Heights which is available from The Stationery Office, ISBN 0 11 751556 6.