Profit Or Loss [Abstract]

Barratt Developments PLC - Filing #1771111

Concept	2021-07-01 to 2022-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30	2020-07-01 to 2021-06-30
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	5,267,900,000 GBP	—	4,811,700,000 GBP	—	—	—	—	—	—	—
Cost of sales	4,368,000,000 GBP	—	3,801,700,000 GBP	—	—	—	—	—	—	—
Gross profit	899,900,000 GBP	—	1,010,000,000 GBP	—	—	—	—	—	—	—
Other income	84,400,000 GBP	—	220,400,000 GBP	—	—	—	—	—	—	—
Administrative expenses	256,400,000 GBP	—	204,400,000 GBP	—	—	—	—	—	—	—
Other expense, by function	81,300,000 GBP	—	214,900,000 GBP	—	—	—	—	—	—	—
Profit (loss) from operating activities	646,600,000 GBP	—	811,100,000 GBP	—	—	—	—	—	—	—
Finance income	2,500,000 GBP	—	1,400,000 GBP	—	—	—	—	—	—	—
Finance costs	30,100,000 GBP	—	28,000,000 GBP	—	—	—	—	—	—	—
Profit (loss) before tax	642,300,000 GBP	—	812,200,000 GBP	—	—	—	—	—	—	—
Tax expense (income)	127,100,000 GBP	—	152,100,000 GBP	—	—	—	—	—	—	—
Profit (loss)	515,200,000 GBP	– GBP	660,100,000 GBP	– GBP	– GBP	300,000 GBP	– GBP	– GBP	659,800,000 GBP	659,800,000 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	515,100,000 GBP	—	659,800,000 GBP	—	—	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	100,000 GBP	—	300,000 GBP	—	—	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share from continuing operations	0.506	—	0.649	—	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share from continuing operations	0.498	—	0.640	—	—	—	—	—	—	—