| 10 Products | Mar 2025 | Mar 2026 | Change |
| Birchall Tea Birchall Peppermint Leaves Tea Bags () | £3.96 | £4.30 | + £0.34 8.6% increase |
| | £3.82 | £4.50 | + £0.68 17.8% increase |
| | £4.10 | £4.10 | £0.00 8.6% increase |
| Birchall Tea Birchall Lemongrass & Ginger 15 Prism Tea Bags () | £3.55 | £3.89 | + £0.34 9.6% increase |
| | £3.82 | £4.50 | + £0.68 17.8% increase |
| | £3.28 | £3.28 | £0.00 9.6% increase |
| Birchall Tea Birchall Great Rift Breakfast Blend 15 Prism Tea Bags () | £5.91 | £4.50 | - £1.41 -23.9% decrease |
| | £3.82 | £4.50 | + £0.68 17.8% increase |
| | £8.00 | £4.50 | - £3.50 -23.9% decrease |
| Birchall Tea Birchall Virunga Earl Grey 15 Prism Tea Bags (46.9g) | £3.51 | £6.70 | + £3.19 90.9% increase |
| | £3.74 | £4.40 | + £0.66 17.6% increase |
| | £3.28 | £8.99 | + £5.71 90.9% increase |
| Birchall Tea Birchall Mao Feng Green Tea Bags () | £5.82 | £6.14 | + £0.32 5.5% increase |
| | £3.65 | £4.30 | + £0.65 17.8% increase |
| | £7.98 | £7.98 | £0.00 5.5% increase |
| Birchall Tea Birchall Great Rift Decaf Everyday Tea Bags () | £8.76 | £7.50 | - £1.26 -14.4% decrease |
| | £6.00 | £6.00 | £0.00 No change |
| | £11.52 | £9.00 | - £2.52 -14.4% decrease |
| Birchall Tea Birchall Green Tea & Peach Tea Bags () | £4.41 | £4.75 | + £0.34 7.7% increase |
| | £3.82 | £4.50 | + £0.68 17.8% increase |
| | £5.00 | £5.00 | £0.00 7.7% increase |
| Birchall Tea Birchall Great Rift Decaf 15 Prism Tea Bags () | £5.54 | £5.90 | + £0.36 6.5% increase |
| | £4.08 | £4.80 | + £0.72 17.6% increase |
| | £6.99 | £6.99 | £0.00 6.5% increase |
| Birchall Tea Birchall Cederberg Redbush Tea Bags () | £5.41 | £3.75 | - £1.66 -30.7% decrease |
| | £3.82 | £4.50 | + £0.68 17.8% increase |
| | £6.99 | £3.00 | - £3.99 -30.7% decrease |
| Birchall Tea Birchall Camomile Flowers Tea Bags () | £5.90 | £6.24 | + £0.34 5.8% increase |
| | £3.82 | £4.50 | + £0.68 17.8% increase |
| | £7.98 | £7.98 | £0.00 5.8% increase |
