Hi Dave
McGreggor's in Birmingham offer a good package if you're doing just residential work. I think their Liability package is for about £1m public and £5k treatment. Remember, a medium priced suite can cost over £5k. Also remember that if anybody helps you on a casual or part time basis, even for just 1 minute a year, you are obliged to have employers liability too. Make sure you are covered for casual and part time workers in all categories. If your needs are outside the scope of the McGreggor package, try HSBC Bank. I got £2m Public and Treatment plus £10m Employers for £468. The Industries big players don't seem interested in us small businesses. Minimum premium is often in excess of £800.
Safe and happy cleaning:)
Ken