Disclosure Of Income Tax [Text Block]

Dunelm Group PLC - Filing #1794731

Concept	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	As at 2022-07-02	As at 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26
Disclosure of income tax [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Deferred tax expense (income) relating to origination and reversal of temporary differences	5,300,000.0 GBP	— GBP	— GBP	— GBP	5,300,000.0 GBP	— GBP	5,300,000.0 GBP	—	—	2,200,000.0 GBP	— GBP	— GBP	— GBP	— GBP	2,200,000.0 GBP	2,200,000.0 GBP
Tax expense (income)	41,600,000.0 GBP	—	—	—	—	—	—	—	—	28,900,000.0 GBP	—	—	—	—	—	—
Current and deferred tax relating to items charged or credited directly to equity [abstract]
Current tax relating to items credited (charged) directly to equity	—	— GBP	— GBP	2,200,000.0 GBP	— GBP	— GBP	2,200,000.0 GBP	—	—	—	— GBP	— GBP	— GBP	600,000.0 GBP	— GBP	600,000.0 GBP
Deferred tax relating to items credited (charged) directly to equity	—	— GBP	— GBP	800,000.0 GBP	— GBP	— GBP	800,000.0 GBP	—	—	—	— GBP	— GBP	— GBP	2,900,000.0 GBP	— GBP	2,900,000.0 GBP
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets and liabilities [abstract]
Deferred tax assets	—	—	—	—	—	—	—	4,100,000.0 GBP	11,400,000.0 GBP	—	—	—	—	—	—	—
Reconciliation of changes in deferred tax liability (asset) [abstract]
Changes in deferred tax liability (asset) [abstract]
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]