I set out from Dublin on the 5th of January 2014, taking the ferry to Holyhead. Below is the route I took. Unfortunately the weather at the time was so bad that despite 3.5 days of cycling, I only made 200km and had to submit to taking a train to London to meet my girlfriend and friends there for the weekend.
Here are the posts related to the UK:
Week 1: Wales & England – A Rough Start
Here is the route I took (roughly):
Dublin to Beijing by Bicycle, 2014 