Here’s the sneaky bit: the cost of the will isn’t the whole story. You might also need to pay for storage (about £20–£50 one-off) so your will doesn’t get eaten by a dog or thrown in the recycling. And if your will is complex, you’ll want a solicitor to store it—some even offer free safe custody if you draft it with them.
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Then there’s the cost of changing your will. Spoiler: life happens. You get married, divorced, have a row with your sister, or discover a long-lost twin. Changing a will costs a similar amount to making a new one—so don’t be stingy upfront. Get a decent will that’s easy to update.
Oh, and probate—that’s the legal process of sorting your estate after you die. The will itself doesn’t include probate fees. Those start at £300 for a solicitor or £2 for a DIY application. Most people pay a solicitor, because dealing with HMRC forms is about as fun as a root canal.