Trade and Other Receivables (Details) - Schedule of Allowance for Expected Credit Losses of Trade and Other Receivables - GBP (£) £ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Schedule Of Allowance For Expected Credit Losses Of Trade And Other Receivables Abstract
Balance beginning	£ 225
Provision for expected credit losses	3,775	225
Balance ending	£ 4,000	£ 225

The amount of deferred tax asset associated with regulatory deferral account balances. [Refer: Deferred tax assets; Regulatory deferral account balances [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 14
-IssueDate 2023-01-01
-Paragraph 24
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2023-en-r&anchor=para_24&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 14
-IssueDate 2023-01-01
-Paragraph B11
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2023-en-r&anchor=para_B11_b&doctype=Appendix&subtype=B
-URIDate 2023-03-23

Name:	ifrs-full_DeferredTaxAssetAssociatedWithRegulatoryDeferralAccountBalances
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant