As a co-founder of our national association (Association of Professional Declutterers and Organisers UK) I'm incredibly excited by the growth of our industry in the UK in recent years. If you need professional help, take a look at the apdo-uk website (here) now and you'll find lots of options there, whatever your decluttering needs. Here are tips and information, newsletters and of course my books to inspire and encourage your decluttering journey.
"Not all hoarders live amidst fecal matter or endanger their children. Show some diversity!" (image doesn't relate) Message board by Angie Mickel 2010 about the public face of hoarding and why people can't admit to hoarding impulses....
Self Help advice for Compulsive Hoarders and their families - Help For Hoarders - Work on that one area consistently - at least once every day for a minimum of 15 minutes. Gradually increase the frequency and the time. Getting started is the hardest part, but once you start, you might find you can carry on for longer. Follow through each day until that area is finished.
Declutter 101: Where Do I Start? by Cynthia Ewer - "Just as clutter arises gradually, over time, so it must be fought gradually and over time. Beating clutter requires building new habits, applying new organizational methods, and creating new household routines. The clutter cure takes time, and can't be short-cut."