RVR800
Thanks for the prompt response. I spoke with the CAA this morning and they confirmed that the end of the month does not apply and secondly no extensions available.
Despite explaining the difficulties in getting a refresher seminar/examiner/weather to coincide with the day job roster I was told that if it lapses then a flight test and seminar are the only options.
Anyway if it lapses then I'll get along to a seminar next April.
Thanks for the info.