Business combinations - Acquisition of EQ Tek - Narrative (Details) - EQ Tek £ in Thousands	Feb. 27, 2024 GBP (£)
Disclosure of detailed information about business combination [line items]
Initial cash consideration	£ 13,881
Fair value of deferred consideration	£ 943
Deferred consideration payment period	18 months

The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Total for all business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph f
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B
-URIDate 2024-03-27

Name:	ifrs-full_CashTransferred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant