With lots of stuff to sort and declutter I sought inspiration on the internet and found this little gem:

1. Give yourself five minutes at a time:  Then if you're enjoying yourself extend the time, but not so much that you get fed up or bored.  This is the way I garden too, snatching odd moments - and enjoying being outdoors.

2. Give away one item each day. That's 365 things a year!  Charity shops will be pleased of your input, and so would freecycle.

3. Fill one plastic bag. One of my favorite decluttering techniques is to grab a single bag and see how quickly I can fill it. While much of what I collect is rubbish, this could also be used to fill a bag for a charity shop.

http://www.slowyourhome.com/2012/11/22/amazingly-awesome/

4. Try the clothes hanger experiment. To identify wardrobe pieces to clear out, hang all your clothes with the hangers in the reverse direction. After you wear an item, return it to the wardrobe with the hanger facing the correct direction. After a few months, you’ll have a clear picture of which clothes you can easily discard. 

5. Make a list. Create a list of areas to declutter, beginning with the easiest.

6. Take the 12-12-12 Challenge. A simple task of locating 12 items to throw away, 12 items to donate, and 12 items to be returned to their proper home can be a really fun and exciting way to quickly organize 36 things in your house.

7. Change your perspective. Look at your home from the view of a visitor or prospective house purchaser.

8. Experiment with numbers. For example, project 333 is a challenge to wear 33 articles of clothing for 3 months as a way of challenging yourself to live with less.

9. Use your imagination. As yourself questions like, “If I was just buying this now, how much would I pay?” Creative techniques such as this may prove to be very helpful for some with difficulties removing unneeded clutter.

10.The Four-Box Method. Leading on from the 12/12/12 challenge above.  When sorting have four boxes: rubbish, give away, keep, or relocate.  Over time place every item into one of the four categories with no item being passed over. 

And finally, no matter what you choose to help you get started – whether it be one of these ten or one of countless others – the goal is to take your first step with excitement behind it. There is a beautiful world of freedom and fresh breath hiding behind that clutter. How you remove it is up to you.

From: http://www.becomingminimalist.com/creative-ways-to-declutter/

Also: http://withoutdash.com/7-day-guide-to-declutter-your-life-day-1/ and http://www.slowyourhome.com/2012/11/22/amazingly-awesome/