antiques.co.uk do a weekly update of items using their XML importer.

So in a worst case scenario, if you add your items to your website with us on a Friday and select for them to appear on antiques.co.uk, then it might not be until 6 days later on a Thursday that they are added.

However, the team at antiques.co.uk are lovely and if you contact them and ask to speak to the owner Iain Brunt (lovely chap and very helpful) and ask if their pull from your website's feed to their website is done quicker I'm sure they would be more than happy to help.