[5] On 10 July 2019, McEvoy withdrew his application to re-join Plaid Cymru, citing an "absence of natural justice" and "due process" as the reason behind his decision.

"[2] In an interview with ITV Wales' political editor, Adrian Masters, McEvoy said that the party aimed to "offer an alternative to Labour and Plaid Cymru" and "shake up the status quo.

[9] He stated that the party would field candidates in the 2021 Senedd election and confirmed that he would challenge the First Minister, Mark Drakeford, in his Cardiff West constituency.

[9] McEvoy came a close second in Cardiff West at the 2016 National Assembly election as a Plaid Cymru candidate, reducing Drakeford's majority from 21.3% in 2011 to 3.7%.

In February 2020, the WNP gained its first local government representation when McEvoy and his three former Plaid Cymru colleagues on Cardiff Council announced that they would form a Welsh National Party group.

[12] McEvoy welcomed the news of Bullard's defection, saying that "with the addition of Dylan to our team we are demonstrating that the WNP truly is a national party for Wales.

[13] Both councillors cited opposition to elements of Gwynedd Council's Local Development Plan as motivating factors in their defections and as a key focus of their new group.

[12][13] The party was scheduled to hold its official launch on 3 April 2020 at the Cardiff Marriott Hotel, but this was postponed due to the COVID-19 pandemic.

[26] In the statement, the party advocates for: Propel has also expressed a strongly anti-nuclear stance, particularly in relation to the dumping of dredged mud from Hinkley Point in Somerset off the coast of Cardiff.

"[30] On 1 May 2020, it was reported that Plaid Cymru was preparing to take the Electoral Commission to court over its decision to allow McEvoy to register the English name Welsh National Party.