If you have completed your vessel registration using the online service or have claimed your vessel and created an online account, you can log in to change your vessels details using the UK Ship Register online service.

If you have not already claimed your vessel, you will need to create an account at the UK Ship Register's online service. See our Managing your Registration Online page for more information.

If the ownership of the vessel is changing, see our Change of Ownership page for guidance.

Change of vessel name and/or port

To register a change of merchant vessel name, or a change of port you must complete the following:

• Application for Change of Name and/or Port MSF 4741
• Payment of fee for Change of Name OR Port £46
• Payment of fee for Change of Name AND Port £63

Once the application is received, a Carving and Marking Note will be issued, which will need to be witnessed by a UK authorised organisation. Once completed, this will need to be returned via email to uksr@mcga.gov.uk

The Certificate of Registry can then be issued. 

Please note that any documents used to support your application, if not in English, must be accompanied by a notarised translation.  

Change of measurement or tonnage

Please change vessel details using the UK Ship Register online service and upload:

• Certificate of Survey for Tonnage and Measurement – issued by Class/Certifying Authority
• ITC69; this may be required if the vessel is over 24 metres in length
• Payment of £46 via the secure payment link on GOV.UK

Once the application is received, a Carving and Marking Note will be issued, which will need to be witnessed by a UK authorised organisation. When completed it will need to be returned to uksr@mcga.gov.uk and the Certificate of Registry can then be issued.

Please note that any documents used to support your application, if not in English, must be accompanied by a notarised translation. 

Change of engine details

Please change vessel details and upload either a copy of receipt/invoice for the engine or Certificate of Survey for Tonnage and Measurement – issued by Class/Certifying Authority.

The engine invoice must include full engine details, power, maker, model, proof of full payment and linked to the vessel or the vessel owner. 

Payment of £46 via the secure payment link on GOV.UK

Once the application is received, a Carving and Marking Note will be issued, which will need to be witnessed by a UK authorised organisation. When completed it will need to be returned to uksr@mcga.gov.uk and the Certificate of Registry can then be issued.  

Please note that any documents used to support your application, if not in English, must be accompanied by a notarised translation.  

Change of vessel registration type

From Pleasure to Merchant:

Please change vessel details and upload a copy of the vessel’s valid Code certificate. This must be in the Owner or Managing Agent’s name. The Code Certificate can be arranged with a certifying authority. 

Applications made by email or post require a completed Declaration of Eligibility to be submitted. 

From Merchant to Pleasure:

Please change vessel details. If the vessel has been registered for less than five years, additional title evidence may be required to satisfy pleasure vessel registration requirements. Applications made by email or post require a completed Declaration of Eligibility to completed and submitted.

Payment of £46 via the secure payment link on GOV.UK