| 10 Products | Jul 2025 | Jul 2026 | Change |
| Birchall Tea Birchall Peppermint Leaves Tea Bags () | £3.55 | £6.48 | + £2.93 82.5% increase |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £4.10 | £7.95 | + £3.85 82.5% increase |
| Birchall Tea Birchall Lemongrass & Ginger 15 Prism Tea Bags () | £3.14 | £5.00 | + £1.86 59.2% increase |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £3.28 | £5.00 | + £1.72 59.2% increase |
| Birchall Tea Birchall Great Rift Breakfast Blend 15 Prism Tea Bags () | £5.50 | £5.00 | - £0.50 -9.1% decrease |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £8.00 | £5.00 | - £3.00 -9.1% decrease |
| Birchall Tea Birchall Virunga Earl Grey 15 Prism Tea Bags (46.9g) | £3.11 | £7.00 | + £3.89 125.1% increase |
| | £2.93 | £5.00 | + £2.07 70.6% increase |
| | £3.28 | £8.99 | + £5.71 125.1% increase |
| Birchall Tea Birchall Mao Feng Green Tea Bags () | £5.42 | £6.15 | + £0.73 13.5% increase |
| | £2.86 | £5.00 | + £2.14 74.8% increase |
| | £7.98 | £7.29 | - £0.69 13.5% decrease |
| Birchall Tea Birchall Great Rift Decaf Everyday Tea Bags () | £8.76 | £5.00 | - £3.76 -42.9% decrease |
| | £6.00 | £5.00 | - £1.00 -16.7% decrease |
| | £11.52 | £5.00 | - £6.52 -42.9% decrease |
| Birchall Tea Birchall Green Tea & Peach Tea Bags () | £4.00 | £5.00 | + £1.00 25% increase |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £5.00 | £5.00 | £0.00 25% increase |
| Birchall Tea Birchall Great Rift Decaf 15 Prism Tea Bags () | £5.10 | £7.00 | + £1.90 37.3% increase |
| | £3.20 | £4.80 | + £1.60 50% increase |
| | £6.99 | £9.19 | + £2.20 37.3% increase |
| Birchall Tea Birchall Cederberg Redbush Tea Bags () | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| Birchall Tea Birchall Camomile Flowers Tea Bags () | £5.49 | £6.50 | + £1.01 18.4% increase |
| | £3.00 | £5.00 | + £2.00 66.7% increase |
| | £7.98 | £7.99 | + £0.01 18.4% increase |
