Leases - Movement in lease liabilities (Details) - GBP (£) £ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Leases
Beginning balance	£ 4,340	£ 4,393
Cash flows	(1,444)	(1,684)
Acquisition	1,437	1,522
Accretion expense	97	109
Ending balance	£ 4,430	£ 4,340

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2021-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2021-03-24

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