Well, as for gaining work post employment, you have picked the best time of year. Busiest time of year for an FI is the summer so most schools are always looking for people during the summer. Coupled with the winter time usually being the recruitment time for airlines, this will help free up even more instructing positions.
As for training organisations in your area, try
Multiflight - Leeds
Manchester Advanced Flight training - Barton Aerodrome
St George Flight Training - Teeside.
Leeds flying School - eer leeds funnily enough