Obviously the performance of a solar thermal system will vary depending on the location of the home, the insulation of the property, and your own hot water requirements. Solar thermal panels are capable of providing all of your hot water requirements from April to September. They will still make a contribution to your hot water needs for the rest of the year, but in general you will need a backup system to further heat the water in the colder months.
Worcester
The West Midlands city of Worcester carries a populace of about 94,000 and was built around the River Severn. Worcester was one of many cities which benefitted from a revamp inside the 50s and 60s, with lots of the older buildings bull dozed and substituted by modern day homes as part of town planning decisions. There's still some historic architecture leftover, largely from the medieval times, creating a varied spread of houses across the city. For just about any home improvements you're looking at in Worcester, look for the top rated tradespeople locally to get the best from your property.