Advice re sports direct refund issue

Hi, has anyone any advice in where to go from here?

I bought a lot of clothes in sports direct at the start of December. I know their usual policy has been exchange or credit note however when I went to try items on I was told the changing rooms were still closed.

As I'm pregnant I wasn't sure what would fit me so I bought items in multiple sizes to try on at home. I spent €120.

Before purchasing at the till I asked if I can return items for a refund as I was unable to try anything on. I was told yes til the 9th of January.

So today I tried to return them for a refund. Girl asked if I wanted a credit note and I explained the changing room being closed and that I was told I could get a refund and she said no problem. She had an issue scanning through the items for the correct refund amount so called the manager.

He then told me that I couldn't get a refund as they reopened their changing rooms at the start of November. I explained that I was told they were closed two weeks ago and wouldn't have bought so many items in multiple sizes if I was unable to return for a refund.

He would only offer a credit note which is unacceptable and especially at this time of year I needed the refund. He wouldn't budge.

He said he couldn't tell from the receipt who was working that day to confirm, he would need to look into it.

I even remember while I was at the till purchasing at the time someone else asked about the changing rooms and were told they were closed also.

Is there anything I can do?

Thanks