Statement Of Financial Position [Abstract]
| Concept |
As at 2024-10-31 |
As at 2024-10-31 |
As at 2024-10-31 |
As at 2024-10-31 |
As at 2024-10-31 |
As at 2023-10-31 |
As at 2023-10-31 |
As at 2023-10-31 |
As at 2023-10-31 |
As at 2023-10-31 |
As at 2022-10-31 |
As at 2022-10-31 |
As at 2022-10-31 |
As at 2022-10-31 |
As at 2022-10-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — | — |
5,700,000
GBP
|
— |
5,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Investment property | — | — | — |
3,284,100,000
GBP
|
— |
2,890,900,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
6,300,000
GBP
|
— |
6,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
3,302,700,000
GBP
|
— |
2,906,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — | — |
400,000
GBP
|
— |
400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — |
31,700,000
GBP
|
— |
32,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
25,300,000
GBP
|
— |
16,900,000
GBP
|
— | — | — | — | — | — |
20,900,000
GBP
|
— | — |
| Current assets | — | — | — |
58,400,000
GBP
|
— |
50,100,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
3,361,100,000
GBP
|
— |
2,956,900,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — |
2,200,000
GBP
|
— |
2,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
2,164,300,000
GBP
|
— |
1,858,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Share premium | — | — | — |
62,700,000
GBP
|
— |
62,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity |
62,700,000
GBP
|
2,164,300,000
GBP
|
2,200,000
GBP
|
2,226,800,000
GBP
|
2,400,000
GBP
|
1,935,100,000
GBP
|
1,858,200,000
GBP
|
62,000,000
GBP
|
2,200,000
GBP
|
12,700,000
GBP
|
8,500,000
GBP
|
2,100,000
GBP
|
1,793,400,000
GBP
|
61,800,000
GBP
|
1,721,000,000
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions | — | — | — |
2,300,000
GBP
|
— |
2,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
155,400,000
GBP
|
— |
139,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
1,068,500,000
GBP
|
— |
911,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Trade and other current payables | — | — | — |
51,800,000
GBP
|
— |
52,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
65,800,000
GBP
|
— |
110,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
1,134,300,000
GBP
|
— |
1,021,800,000
GBP
|
— | — | — | — | — | — | — | — | — |