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Currency conversion	6 Months Ended
	Jun. 30, 2022
Currency conversion [Abstract]
Currency conversion	3. Currency conversion The presentation currency of the Group is pounds sterling and the unaudited condensed consolidated interim financial statements have been prepared on this basis. The period ended 30 June 2022 unaudited condensed consolidated interim income statement is prepared using, among other currencies, average exchange rates of US$1.30 to the pound (period ended 30 June 2021: US$1.39) and €1.19 to the pound (period ended 30 June 2021: €1.15). The unaudited condensed consolidated interim balance sheet as at 30 June 2022 has been prepared using the exchange rates on that day of US$1.22 to the pound (31 December 2021: US$1.35) and €1.16 to the pound (31 December 2021: €1.19).

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- Definition

Expiry date 2023-01-01: The description of the entity's accounting policy for foreign currency translation. Effective 2023-01-01: The description of the entity's material accounting policy information for foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Effective 2023-01-01
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 117
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-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2023-01-01
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 117
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-b&anchor=para_117_b&doctype=Standard&forcepdf=true
-URIDate 2022-03-24

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- Definition

Currency conversion

+ References

No definition available.

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