Yes, and as I posted at 15:08 page 10, Rayner has sold her house before Parliament was dissolved, the date for the 2015 election set and the cut off date for nomination forms to be received.
As this was an election under the Fixed-Term Parliament Act 2011 not a snap election it is always possible that she had completed nomination forms before she sold her house and used the address of the house she sold. I don't believe any such allegations have been made. It all seems to focus on why she registered at her own property and not at her husband's.
Amongst the data where allegations of electoral fraud have been made, I can find one in 2019 where a DUP candidate had submitted a local government election nomination form that included an address that they had previously lived at and not their current one. Once contacted by the police, Lisburn & Castlereagh City Council confirmed that the nomination papers had been accepted for this candidate, and it was too late for the address to be removed from the notice of poll or from the ballot papers for the election. The EC do not explain why the candidate did this only that the candidate received a caution. As the candidate has the right not to have their address printed on the ballot, this is only going to be relevant where it is printed.