Construction, alteration or improvement of works
This guidance explains when construction, alteration or improvement works may need a marine licence from the Marine Management Organisation.
Applies to England and Northern Ireland
Construction, alteration or improvement of works
You may need a marine licence if you carry out construction activities in English waters or Northern Ireland offshore waters.
Some construction activities are exempt from needing a licence. You can check if your activity is exempt before you apply.
You may need a marine licence if your activity takes place:
- in or over the sea
- on or under the seabed
What counts as construction
Construction means building or making something. It also includes:
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maintenance
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alteration or improvement
Maintenance means keeping a structure or asset in good condition or repairing it. The work must stay within its existing size and shape.
Alteration or improvement means changing a structure or asset so that it is different from how it was before.