Made a huge mistake moving to Cornwall in 1990, managed to escape back to civilisation in 2002, I now live in Hertfordshire. PROS: warmer winters, people think you're living the dream.
CONS: Winters are gloomy, miserable and wet, summer days without clouds are rare. A lazy laid back attitude where outsiders are not made welcome, job situation and pay are very poor, I took a 10k pay cut to move down and it crippled me, places like Camborne, Redruth, St Columb major and St. Austell are full of chavs and are poverty stricken. Life seems 10 years behind the rest of the country, there is no get up and go, an appalling road infrastructure, getting around is hard work and the standard of driving generally appalling, getting out of cornwall during the summer is very stressful and once took me 7 hours to get to Hertfordshire. Very rough council estates, Harmony close, Murdock close, close hill in Redruth. The town centres in both Camborne and Redruth are like the land that time forgot, boarded up shops, rough pubs, charity shops and pound stores..avoid! The locals don't like any negativity regarding Cornwall, but constantly moan about there plight. House prices totally out of line with the pathetic wages, petrol expensive and second hand cars. Rotten work on offer, food processing factories such as Roach foods which are mainly a last resort for the huge influx of foreigners. High suicide rate, regular jumpers off of Trengweath bridge Redruth. Life seems to stop at about 16:30 for Cornish tea, when the rest of the country is still working. The only decent areas to live are very expensive and have very little to do. Dead in the Winter and packed with holiday makers during summer. AVOID unless you want to take a step back.in time in a bad way and have sufficient funds to keep afloat. Try visiting both Portreath and Porthtowan during summer and the winter, in Summer you won't be able to move or get parked, during winter Beirut is more appealing, empty, desolate and thoroughly depressing.