Marraige tax

Hi,
I got married in april of last year and sent off the appropriate marraige decleration form for changes in taxation to revenue. I am aware that the new changes only come into effect from the start of this financial year but am I entitled to a tax refund from april last year(date of marraige) to the end of the last tax year.
Many Thanks

It depends. Did either you or your spouse pay tax at the higher rate last year?

If you both did, you won't be due a refund. If one did and the other didn't, you might be.