24 doorsWhat’s inside →The Best 2026 Advent Calendars Under £20 in the UK
68 calendars, 68 new for 2026, most of them 24 doors. Full stats
Page 2 of 2: 68 advent calendars for 2026 with a UK price, under £20, this season first. The shortlist, the steps and the numbers are on the first page.
UpdatedNovember 3, 2026Curatedby Max Zeshut
68 calendars, 68 new for 2026, most of them 24 doors. Full stats
By budget and shop
The biggest brands here
The calendars
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24 doorsHow to choose an advent calendar under £20
- Step 01
Match the doors to the days
65 of the 68 here have 24 doors — a 24-door box opens one a day from 1 December to Christmas Eve. The other 3 have 25. Every start date
- Step 02
Know which season you are buying
68 of the 68 here are 2026 editions. A brand's page keeps every edition together, so check whether the box you are looking at is this year's before you compare prices.
- Step 03
Start from the ones we have opened
0 of the 68 here carry an editors' pick and 68 have a written score. Those are the boxes somebody on this site has actually judged. The rest are listed because they exist, not because we are recommending them; being on this page is not a verdict. How we review
Still looking?
If you cannot decide, get Cadbury Dairy Milk Adult 2026
The best value among the calendars here that we have rated this season, rated 4/5, £10, 24 doors. 348 g of Dairy Milk for 10 GBP is three and a half standard calendars, with a full bar on the last day. Chunks rather than shapes, and milk only.
24 doorsFrequently asked questions
What is the best advent calendar under £20 in the UK?
By our rating: B&Q Seed Advent Calendar 2026 (4/5, £15), Bizzy Bear Advent Calendar Book Collection 2026 (4/5, £18.51) and Cadbury Dairy Milk Adult 2026 (4/5, £8). Each page lists what is behind the doors and every UK shop we track with its price.
What is the cheapest advent calendar in the UK?
KitKat Advent Calendar 2026, at £2.50. Across the 68 boxes under £20, the middle price is £13.
Where can I buy advent calendars in the UK?
The UK shops we track carry most of them: Sainsbury's (8), Lords & Labradors (5), Smyths (4), Morrisons (4), Argos (4) and Boots (3). Every calendar's page lists each shop with its price and when we last checked it.
When do advent calendars go on sale in the UK?
Most 2026 boxes are on sale already; the ones still on pre-order or coming on a set date are on our release-dates page, with the day each ships.