Can you please provide more detail to support this? According to https://www.gov.uk/make-court-claim-for-money/court-fees, the issue fee for a claim between £5,000.01 and £10,000 is £455. Plus, if the claim goes to trial a further hearing fee of £346 is payable based on claims over £3,000 see page 7 https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1093005/EX50_web_0722.pdf.