Which decluttering method should I use?

Almost every decluttering method on the internet was written by one adult, living alone or with full authority over the contents of the house, who had several consecutive free days. That is not a criticism of the methods — they work well under those conditions. It is an explanation of why they collapse in a family home. Before choosing one, be honest about which of those three conditions you actually have, because the condition you lack is the one that will stop you.

Step by step

1. Work out how much uninterrupted time you genuinely have.Not how much you would like. If the longest reliable block is forty minutes between other obligations, any method that requires you to empty a whole category onto the floor is unusable, because you cannot put it back and you cannot leave it.
2. Work out whether the problem is a place or a category.If one room is unusable, it is a place problem and a small-area sort will fix it. If you own four sets of screwdrivers and cannot find any of them, it is a category problem and no amount of tidying rooms will reveal it.
3. Work out who else owns things in the house.This decides more than anything else. You can sort your own possessions by any method you like. You cannot sort anyone else's at all, and attempting it is the single most common cause of a decluttering project becoming a household argument.
4. Compare the tidying-festival approach honestly.Sorting by category, in a set order, keeping only what you actively want. It is genuinely effective at breaking the habit of keeping things by default, and the category order is well judged — clothes first, sentimental items last. It assumes long blocks of time and sole ownership, and it treats slow decisions as failure, which is wrong for grief and for anything expensive.
5. Compare minimalism.A target number, or a rule such as one in, one out. Excellent at stopping the inflow, which is the actual cause of most clutter. Poor as a clearing method, because a target number encourages disposal of useful things to hit an arbitrary figure, and it is hostile to anyone whose hobby or trade legitimately needs a lot of objects.
6. Compare the four-box sort.Keep, relocate, out of the house, bin. It is the workhorse and the one most compatible with real life, because it works on an area of any size, can be stopped at any moment, and produces a physically visible result. It gives no help at all with deciding, which is the hard part.
7. Compare the twenty-twenty rule.Discard anything you could replace cheaply and quickly. Fast, unblocks the just-in-case pile, and works well for cables, kitchen gadgets and spare parts. It is bad advice in a household where money is tight, because replacing is not actually cheap for you, and bad for anything with an availability risk.
8. Compare Swedish death cleaning.Reducing your possessions so that nobody else has to do it after you die. It is the only method that starts from the right question — what will this be like for the person who has to deal with it. Slow, deliberate, permits keeping things, and pairs naturally with recording where documents and valuables are.
9. Compare the dated-box method.Anything you cannot decide about goes in a sealed box with a date six months ahead. It is not a whole system but it is the best available answer to decision paralysis, and it can be bolted onto any of the others.
10. Choose one, and change it when it stops working.There is no prize for consistency. Most households that succeed use a category sort for two or three specific problems and a small-area sort for everything else.

Common mistakes

• Choosing a method by how satisfying the results look — Photographs of finished results tell you nothing about whether the method fits your week. The published before-and-after was produced under conditions you almost certainly do not have.
• Starting a category sort without checking the clock — A category sort commits you to finishing. A hallway full of every coat in the house at bedtime is worse than not having started.
• Applying any method to another adult's possessions — It reliably converts a tidying project into a relationship problem, and the items usually come back.
• Buying storage before deciding — Containers make it possible to keep things you should not have kept, and then you have the things and the containers.

Alternatives

• Small-area sort in short sessions: One drawer, shelf or corner at a time, thirty to forty minutes. The only approach that survives an interrupted household. Slow, but it never leaves the house worse than it started.
• Category sort: Gather every instance of one type of item from the whole house before deciding. The only way to see duplication. Requires a long block and somewhere to put the pile.
• One-in-one-out: Not a clearing method. A maintenance rule that stops a cleared house refilling. Best used after a sort, not instead of one.
• Paid declutterer or professional organiser: A real trade. Worth it where the barrier is decision-making rather than effort, after a bereavement, or before a downsize. Check whether they physically remove things or only advise, because those are very different services.

Questions people ask