# The Mona Offshore Wind Farm Order 2025, Part 1: Authorised Development

Extent: E+W

Work No. 3:
(a) installation of up to four subsea cable circuits between Work No. 2 and Work No. 8 from MLWS to MHWS approximately 245 metres including cable ducts and cable crossings;
(b) trenchless installation technique works; and
(c) access during construction, operation, maintenance and decommissioning;
Work No. 4: access to Work No. 3 during construction;
Work No. 5: access to Work Nos. 7 and 8 during construction;
Work No. 6: access to Work No. 8 during construction;
Work No. 7: temporary laydown area of up to 800 square metres including fencing together with access to Work No. 4 during construction;
Work No. 8:
(a) installation of up to four buried cable circuits between Work No. 3 and Work No. 9 from MHWS to the A547 approximately 142 metres including cable ducts; and
(b) trenchless installation technique works;
Work No. 9:
(a) installation of up to four buried cable circuits between Work No. 8 and Work No. 10 approximately 10 metres including cable ducts;
(b) trenchless installation technique works; and
(c) access to Work No. 10 during construction, operation, maintenance and decommissioning including works to the public highway and visibility splays;
Work No. 10:
(a) installation of up to four buried cable circuits between Work No. 9 and Work No. 11 approximately 216 metres including cable ducts;
(b) installation of up to four transition joint bays;
(c) trenchless installation technique works including the creation of entry and exit pits for trenchless installation techniques and cable trenching works;
(d) temporary construction compound of up to 30,000 square metres comprising a secondary temporary construction compound and a transition joint bay temporary construction compound;
(e) access during construction, operation, maintenance and decommissioning;
Work No. 11:
(a) installation of up to four buried cable circuits between Work No. 10 and Work No. 12 approximately 878 metres including cable ducts; and
(b) trenchless installation technique works including the creation of entry and exit pits for trenchless installation techniques and cable trenching works;
Work No. 12:
(a) installation of up to four buried cable circuits between Work No. 11 and Work No. 14 approximately 3,986 metres including cable ducts; and
(b) trenchless installation technique works including the creation of entry and exit pits for trenchless installation techniques and cable trenching works;
Work No. 12a: access to Work No. 12 during construction;
Work No. 13: primary temporary construction compound and secondary temporary construction compound and access to Work Nos. 12 and 14 during construction including works to the public highway and visibility splays;
Work No. 14:
(a) installation of up to four buried cable circuits between Work No. 12 and Work No. 15 approximately 2,700 metres including cable ducts; and
(b) trenchless installation technique works including the creation of entry and exit pits for trenchless installation techniques and cable trenching works;
Work No. 15:
(a) installation of up to four buried cable circuits between Work No. 14 and Work No. 17 approximately 2,179 metres including cable ducts; and
(b) trenchless installation technique pit works including the creation of entry and exit pits for trenchless installation techniques and cable trenching works;
Work No. 16: primary temporary construction compound and laydown area or secondary temporary construction compound and access to Work No. 15 during construction including works to the public highway and visibility splays;

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Source: https://www.legislation.gov.uk/uksi/2025/870/schedule/1/part/1 (the official version)
Page: https://openlegislation.uk/mona-offshore-wind-farm-order-2025/schedule-1/part-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.