# The Outer Dowsing Offshore Wind Farm Order 2026, Paragraph 10: Design parameters


(1) The dimensions of the offshore artificial nesting structure forming part of the authorised scheme must not exceed—
(a) 60 metres in height when measured from LAT;
(b) 23 metres in length; and
(c) 23 metres in width.
(2) The offshore artificial nesting structure foundation structures forming part of the authorised scheme must be monopile, gravity base structure, pin pile jacket or suction bucket jacket foundations.
(3) In respect of the offshore artificial nesting structure—
(a) no monopile foundation may have a diameter greater than eight metres;
(b) no gravity base structure foundation may have a diameter at the level of the seabed greater than 50 metres;
(c) no pin pile jacket foundation forming part of the authorised scheme may—
(i) have a pin pile diameter of greater than five metres; or
(ii) employ more than four pin piles per jacket foundation;
(d) no suction bucket jacket foundation forming part of the authorised scheme may—
(i) have a suction bucket diameter of greater than ten metres; or
(ii) employ more than four suction buckets per jacket foundation;
(4) The total seabed footprint area for the offshore artificial nesting structure foundations must not exceed—
(a) 2,000 square metres excluding scour protection; and
(b) 12,300 square metres including scour protection.
(5) The total number of offshore artificial nesting structures forming part of the authorised scheme and the authorised schemes in licence 3 (northern artificial nesting structure 1) and/or licence 5 (southern artificial nesting structure 1) and/or licence 6 (southern artificial nesting structure 2) taken together must not exceed two.

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Source: https://www.legislation.gov.uk/uksi/2026/138/schedule/13/paragraph/10 (the official version)
Page: https://openlegislation.uk/outer-dowsing-offshore-wind-farm-order-2026/schedule-13/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.