You asked:

I am writing to request data on the gender pay gap for median gross hourly earnings (excluding overtime) by age in the UK. I require data from 2000 - 2014.

We said:

Thank you for your query on the gender pay gap using the ASHE survey. Please find a link to the data you requested.

If you have any further queries, please let me know.

https://www.ons.gov.uk/employmentandlabourmarket/peopleinwork/earningsandworkinghours/adhocs/006411annualsurveyofhoursandearningsasheestimatesofthegenderpaygapformediangrosshourlyearningsexcludingovertimebyageukapril2015to2016