# The Town and Country Planning (North Wales Border Control Post) (EU Exit) Special Development Order 2023, Paragraph 8: Building height and hard surfacing


(1) The following elements must be made of permeable reinforced grass—
(a) emergency access road;
(b) sub-station layby.
(2) If constructed the following elements must be made of permeable material—
(a) footpaths;
(b) car parks.
(3) If constructed the following elements must be made of impermeable material and constructed to prevent pollutants entering the ground—
(a) all roads other than the emergency access road;
(b) deliveries apron;
(c) vehicle inspection area;
(d) vehicle quarantine area.

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Source: https://www.legislation.gov.uk/wsi/2023/256/schedule/paragraph/8 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-north-wales-border-control-post-eu-exit-special-development-order-2023/schedule/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.