Money expert Martin Lewis is urging people across the UK to check if they might be owed thousands of pounds back in council tax.

That’s because despite years of campaigning on the issue, various governments in England and Scotland have left council tax valuations unchanged since 1991, meaning thousands if not millions of people may be paying too much council tax for their property.

And with the average Band D property costing £2,171 a year in Council Tax, moving up or down a band could mean…