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Intangible assets - Key assumptions used by individual CGUs for value-in-use calculations (Details) - GBP (£) £ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
North America | US Pest Control CGU |  |
Intangible assets |  |
Long-term growth rate | 2.10% | 2.10%
Pre-tax discount rate | 8.70% | 10.10%
Headroom amount | £ 3,060 | £ 2,869
North America | Minimum |  |
Intangible assets |  |
Long-term growth rate | 2.00% | 2.00%
Pre-tax discount rate | 8.50% | 9.80%
North America | Maximum |  |
Intangible assets |  |
Long-term growth rate | 2.10% | 2.10%
Pre-tax discount rate | 8.70% | 12.40%
Europe | Minimum |  |
Intangible assets |  |
Long-term growth rate | 1.70% | 1.60%
Pre-tax discount rate | 8.00% | 8.90%
Europe | Maximum |  |
Intangible assets |  |
Long-term growth rate | 3.00% | 3.00%
Pre-tax discount rate | 17.10% | 17.80%
UK & Sub-Saharan Africa |  |
Intangible assets |  |
Long-term growth rate | 2.00% | 2.00%
UK & Sub-Saharan Africa | Minimum |  |
Intangible assets |  |
Pre-tax discount rate | 9.30% | 10.50%
UK & Sub-Saharan Africa | Maximum |  |
Intangible assets |  |
Pre-tax discount rate | 11.10% | 12.00%
Asia & MENAT | Minimum |  |
Intangible assets |  |
Long-term growth rate | 2.00% | 2.00%
Pre-tax discount rate | 7.70% | 8.90%
Asia & MENAT | Maximum |  |
Intangible assets |  |
Long-term growth rate | 4.00% | 4.00%
Pre-tax discount rate | 14.10% | 15.60%
Pacific | Minimum |  |
Intangible assets |  |
Long-term growth rate | 2.00% | 2.00%
Pre-tax discount rate | 10.30% | 11.30%
Pacific | Maximum |  |
Intangible assets |  |
Long-term growth rate | 2.50% | 2.60%
Pre-tax discount rate | 10.90% | 12.10%

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