Default data format (localization)

It's actually one for the Report Builder forum but I couldn't find that so sorry.

I wondered if anyone knew of a way to have the default localization set to en-GB (UK dates, rather than US dates). The scenario is this;

1. I open report builder 3.
2. Set up a datasource and data set in the query designer, if I return a date column it is in the UK dateformat (if I click execute to preview the data).
3. However when I drag columns on to a table and then run the report the dates are in a US format.

To correct this I have to then edit my localisation for the column or I can do it for the whole report to be en-gb and this works.

However is there a way to have it default to en-gb so I don't need to do this modification with each report. Firstly I thought it was using my PC localisation settings but these are UK, then I wondered if there was something I could set in the Report Builder manifest or alike?

Thanks,

Nic