Overview
- The £20 Afternoon Tea Letterbox Gift, which includes UK-wide delivery, can effectively cost about £4.67 for new TopCashback members after a £15 sign-up bonus and tracked cashback.
- Existing M&S shoppers who are new to TopCashback are reported to pay about £4.83 for the same £20 box under the promotion.
- TopCashback says qualifying purchases should track to a user’s earnings page within seven days, with payment subject to the platform’s usual approval process.
- The Afternoon Tea Letterbox Gift remains available and highly rated at around 4.8 out of 5 from more than 5,700 reviews.
- Latest coverage also highlights M&S’s £28 Christmas Tea & Treats Gift dropping to about £12.53 for new TopCashback members (about £12.77 for existing), while at least one 2025 festive box has sold out.