Gift Aid is the rare tax relief where everybody wins: the charity gets 25p more for every pound you give, at no cost to you, and if you pay tax above the basic rate you can claim some of it back personally. The catch is the rule about having paid enough tax — tick the box without it and HMRC comes to you for the difference. This does both sides: what your giving is worth to the charity, what it costs you, and whether you have paid enough tax to sign the declaration.
The Gift Aid Small Donations Scheme tops up collections where no declaration was signed — buckets, contactless boxes, collection plates. Each donation must be £30 or less, the top-up is 25%, and the total top-up is capped at £2,000 a year (on up to £8,000 of small donations). It cannot exceed ten times the Gift Aid you claimed through declarations in the same year.
England, Wales and Northern Ireland rates for 2026/27 (Scotland’s bands differ). Giving through payroll giving works differently — it comes out before tax, so a basic-rate payer’s £10 costs £8 and no declaration is needed. Higher-rate relief can be claimed for up to four tax years, and donors can elect to treat a gift as made in the previous tax year. Confirm your own position with HMRC or an accountant before signing anything large.