# The Town and Country Planning (General Permitted Development) (Scotland) Order 1992, Paragraph 6F


(1) The installation, alteration or replacement of a flue, forming part of a combined heat and power system, on a dwellinghouse or building containing a flat.
(2) Development is not permitted by this class if–
(a) the height of the flue would protrude more than 1 metre above the highest part of the roof (excluding any chimney) on which the flue is fixed;
(b) in the case of land within a conservation area or World Heritage Site, the flue would be installed on the principal elevation of the dwellinghouse, or building containing a flat; or
(c) in the case of a combined heat and power system fuelled by biomass sources, the flue would be within an Air Quality Management Area.

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Source: https://www.legislation.gov.uk/uksi/1992/223/schedule/1/class/6f (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-scotland-order-1992/schedule-1/class/6f
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.