| Financial year end | 2007-03-31 | 2008-03-31 | 2009-03-31 | 2010-03-31 | 2011-03-31 | 2012-03-31 | 2013-03-31 | 2014-03-31 | 2015-03-31 | 
            
            | Income from legacies | £137,982,000.00 | £147,877,000.00 | £156,708,000.00 | £157,399,000.00 | £148,246,000.00 | £136,485,000.00 | £142,456,707.00 | £163,137,795.00 | £169,047,455.00 | 
            
            | Income from endowments | £0.00 | £0.00 | £0.00 | £174,000.00 | £302,000.00 | £341,000.00 | £100,000.00 | £100,000.00 | £0.00 | 
            
            | Voluntary income | £332,601,000.00 | £341,171,000.00 | £353,432,000.00 | £362,756,000.00 | £351,008,000.00 | £350,080,000.00 | £372,705,312.00 | £400,341,022.00 | £430,577,456.00 | 
            
            | Activities generating funds | £78,353,000.00 | £78,443,000.00 | £79,760,000.00 | £82,835,000.00 | £81,923,000.00 | £82,071,000.00 | £87,121,134.00 | £89,190,206.00 | £91,664,736.00 | 
            
            | Income from charitable activities | £42,579,000.00 | £43,087,000.00 | £54,918,000.00 | £46,628,000.00 | £44,369,000.00 | £57,562,000.00 | £74,425,323.00 | £94,652,745.00 | £89,322,389.00 | 
            
            | Investment income | £14,103,000.00 | £13,858,000.00 | £10,101,000.00 | £5,538,000.00 | £3,797,000.00 | £2,914,000.00 | £2,305,540.00 | £1,893,444.00 | £5,962,652.00 | 
            
            | Other income | £0.00 | £0.00 | £0.00 | £17,189,000.00 | £1,430,000.00 | £0.00 | £0.00 | £79,333,183.00 | £17,280,810.00 | 
            
            | Total income | £467,636,000.00 | £476,559,000.00 | £498,211,000.00 | £514,946,000.00 | £482,527,000.00 | £492,627,000.00 | £536,557,309.00 | £665,410,600.00 | £634,808,043.00 | 
            
            | Investment gains | £8,434,000.00 | £-25,936,000.00 | £-57,913,000.00 | £20,433,000.00 | £750,000.00 | £1,200,000.00 | £745,130.00 | £145,339.00 | £17,438,302.00 | 
            
            | Gains from asset revaluations | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | 
            
            | Gains on pension fund | £25,105,000.00 | £-4,923,000.00 | £-3,254,000.00 | £-34,909,000.00 | £13,657,000.00 | £-170,000.00 | £-7,544,000.00 | £-7,522,000.00 | £-25,873,000.00 | 
            
            | Voluntary income costs | £76,767,000.00 | £74,272,000.00 | £83,959,000.00 | £86,634,000.00 | £95,866,000.00 | £80,063,000.00 | £79,987,627.00 | £89,965,657.00 | £103,542,924.00 | 
            
            | Fundraising trading costs | £49,799,000.00 | £54,979,000.00 | £56,898,000.00 | £56,506,000.00 | £54,999,000.00 | £68,615,000.00 | £69,675,186.00 | £69,700,665.00 | £73,183,843.00 | 
            
            | Investment management costs | £813,000.00 | £782,000.00 | £646,000.00 | £295,000.00 | £157,000.00 | £238,000.00 | £203,320.00 | £203,424.00 | £1,107,853.00 | 
            
            | Grants to institutions | £262,144,000.00 | £159,447,000.00 | £127,960,000.00 | £146,832,000.00 | £164,583,000.00 | £166,741,000.00 | £169,223,569.00 | £202,534,007.00 | £237,710,050.00 | 
            
            | Charitable activities costs | £424,465,000.00 | £344,260,000.00 | £317,515,000.00 | £322,187,000.00 | £340,387,000.00 | £347,877,000.00 | £364,045,634.00 | £379,004,782.00 | £422,673,517.00 | 
            
            | Governance costs | £1,322,000.00 | £1,480,000.00 | £1,400,000.00 | £1,346,000.00 | £1,396,000.00 | £1,457,000.00 | £1,463,744.00 | £1,385,832.00 | £1,588,970.00 | 
            
            | Other expenses | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | 
            
            | Total expenses | £553,166,000.00 | £475,773,000.00 | £460,418,000.00 | £466,968,000.00 | £492,805,000.00 | £498,250,000.00 | £515,375,511.00 | £540,260,360.00 | £602,097,107.00 | 
            
            | Support costs | £31,688,000.00 | £44,754,000.00 | £42,979,000.00 | £41,948,000.00 | £32,841,000.00 | £32,444,000.00 | £30,771,669.00 | £32,072,817.00 | £31,884,328.00 | 
            
            | Depreciation | £9,460,000.00 | £11,598,000.00 | £13,098,000.00 | £15,405,000.00 | £17,865,000.00 | £19,894,000.00 | £19,594,000.00 | £15,700,000.00 | £16,661,294.00 | 
            
            | Reserves | £46,715,000.00 | £8,114,000.00 | £37,906,000.00 | £196,368,000.00 | £181,649,000.00 | £165,117,000.00 | £164,741,952.00 | £277,500,000.00 | £281,967,192.00 | 
            
            | Fixed assets at start of year | £293,961,000.00 | £363,534,000.00 | £320,648,000.00 | £255,587,000.00 | £186,340,000.00 | £194,708,000.00 | £203,151,088.00 | £170,352,218.00 | £197,435,014.00 | 
            
            | Fixed assets at end of year | £363,534,000.00 | £320,648,000.00 | £255,587,000.00 | £186,340,000.00 | £194,708,000.00 | £203,251,000.00 | £170,352,218.00 | £197,435,014.00 | £442,818,180.00 | 
            
            | Fixed investment assets at start of year | £233,218,000.00 | £289,922,000.00 | £229,786,000.00 | £153,692,000.00 | £95,368,000.00 | £97,432,000.00 | £110,550,213.00 | £103,051,125.00 | £135,594,039.00 | 
            
            | Fixed investment assets at end of year | £289,922,000.00 | £229,786,000.00 | £153,692,000.00 | £95,368,000.00 | £97,432,000.00 | £110,651,000.00 | £103,051,125.00 | £135,594,039.00 | £387,486,013.00 | 
            
            | Current investment assets | £0.00 | £0.00 | £0.00 | £0.00 | £0.00 | £55,200,000.00 | £78,955,546.00 | £163,503,974.00 | £76,553.00 | 
            
            | Cash | £60,259,000.00 | £50,676,000.00 | £63,099.00 | £153,961,000.00 | £142,642,000.00 | £72,519,000.00 | £65,987,877.00 | £84,017,775.00 | £61,695,894.00 | 
            
            | Total current assets | £96,134,000.00 | £98,791,000.00 | £177,508,000.00 | £295,759,000.00 | £262,706,000.00 | £249,757,000.00 | £293,061,272.00 | £416,633,225.00 | £252,305,380.00 | 
            
            | Creditors within 1 year | £184,579,000.00 | £207,697,000.00 | £199,413,000.00 | £202,794,000.00 | £191,128,000.00 | £201,630,000.00 | £197,409,818.00 | £232,053,898.00 | £285,066,564.00 | 
            
            | Long term creditors or provisions | £129,134,000.00 | £99,290,000.00 | £81,531,000.00 | £61,023,000.00 | £64,832,000.00 | £64,102,000.00 | £66,097,346.00 | £68,826,791.00 | £73,049,284.00 | 
            
            | Pension assets | £-7,949,000.00 | £-4,519,000.00 | £-3,851,000.00 | £-36,480,000.00 | £-15,523,000.00 | £-6,027,000.00 | £-4,347,000.00 | £0.00 | £0.00 | 
            
            | Total assets | £138,006,000.00 | £107,933,000.00 | £148,300,000.00 | £181,802,000.00 | £185,931,000.00 | £181,249,000.00 | £195,559,326.00 | £313,187,550.00 | £337,007,711.00 | 
            
            | Endowment funds | £3,924,000.00 | £3,806,000.00 | £3,256,000.00 | £5,617,000.00 | £5,569,000.00 | £3,950,000.00 | £3,950,000.00 | £3,400,000.00 | £0.00 | 
            
            | Restricted funds | £12,022,000.00 | £11,431,000.00 | £11,170,000.00 | £16,297,000.00 | £14,236,000.00 | £18,182,000.00 | £31,114,374.00 | £32,430,217.00 | £55,040,519.00 | 
            
            | Unrestricted funds | £122,060,000.00 | £92,696,000.00 | £133,874,000.00 | £159,888,000.00 | £166,126,000.00 | £159,117,000.00 | £160,494,952.00 | £277,357,333.00 | £281,967,192.00 | 
            
            | Total funds | £138,006,000.00 | £107,933,000.00 | £148,300,000.00 | £181,802,000.00 | £185,931,000.00 | £181,249,000.00 | £195,559,326.00 | £313,187,550.00 | £337,007,711.00 | 
            
            | Employees | 3811 | 4053 | 4026 | 3993 | 3985 | 3968 | 3845 | 3798 | 3964 | 
            
            | Volunteers | 45500 | 46600 |  |  | 40220 | 40000 | 40000 | 40000 | 40000 | 
            
            | Consolidated accounts | true | true | true | true | true | true | true | true | true | 
            
            | Charity only accounts |  |  |  |  |  |  |  |  |  | 
            
            | Financial year start | 2006-04-01 | 2007-04-01 | 2008-04-01 | 2009-04-01 | 2010-04-01 | 2011-04-01 | 2012-04-01 | 2013-04-01 | 2014-04-01 |