| 1 | Department for Transport | 42 | 4071.7 |
| 2 | Department of Health | 275 | 2044.9 |
| 3 | Battersea Power Station DC | 3 | 1607.0 |
| 4 | Network Rail | 78 | 1189.5 |
| 5 | Manchester Airports Group | 8 | 1162.1 |
| 6 | Department for Education | 93 | 883.9 |
| 7 | National Grid | 15 | 703.7 |
| 8 | Ministry of Defence | 28 | 673.0 |
| 9 | Greater London Authority | 30 | 659.2 |
| 10 | Homes England | 17 | 464.1 |
| 11 | LB of Ealing | 16 | 407.1 |
| 12 | Centro | 3 | 389.0 |
| 13 | Pennon | 10 | 334.6 |
| 14 | Lidl | 75 | 331.9 |
| 15 | University of Cambridge | 13 | 326.5 |
| 16 | Morgan Sindall | 24 | 306.3 |
| 17 | Vastint | 11 | 285.4 |
| 18 | Roxhill | 9 | 276.2 |
| 19 | Surrey County Council | 25 | 271.1 |
| 20 | Dept. Regional Development | 8 | 268.7 |
| 21 | JLL | 9 | 255.2 |
| 22 | Woking Borough Council | 3 | 245.9 |
| 23 | Legal & General | 17 | 236.4 |
| 24 | LB of Camden | 21 | 230.5 |
| 25 | University of Sussex | 3 | 228.0 |
| 26 | Ferrovial | 4 | 226.7 |
| 27 | Tata | 13 | 223.2 |
| 28 | WMCA | 3 | 220.8 |
| 29 | Argent | 4 | 217.0 |
| 30 | Environment Agency | 36 | 214.3 |
| 31 | West Sussex County Council | 18 | 214.0 |
| 32 | United Utilities | 17 | 211.5 |
| 33 | Land Securities | 10 | 204.8 |
| 34 | Lincolnshire County Council | 21 | 195.0 |
| 35 | Unite | 5 | 193.5 |
| 36 | Global Infrastructure Partners | 16 | 192.7 |
| 37 | St Modwen | 27 | 188.4 |
| 38 | University of Warwick | 14 | 187.0 |
| 39 | Wolverhampton City Council | 16 | 183.1 |
| 40 | LB of Lewisham | 8 | 180.1 |
| 41 | Warrington Borough Council | 13 | 178.1 |
| 42 | Manchester City Council | 30 | 174.4 |
| 43 | University of Glasgow | 10 | 173.2 |
| 44 | British Land | 13 | 171.4 |
| 45 | U+I Group | 7 | 167.3 |
| 46 | Quintain | 6 | 167.2 |
| 47 | LB of Tower Hamlets | 5 | 166.1 |
| 48 | EDF Energy | 10 | 165.8 |
| 49 | Severn Trent | 17 | 164.8 |
| 50 | RB of Windsor & Maidenhead | 10 | 161.7 |
| 51 | NNB Generation | 5 | 158.0 |
| 52 | Glasgow City Council | 11 | 155.6 |
| 53 | Prologis | 10 | 153.6 |
| 54 | Whitbread | 56 | 150.9 |
| 55 | Intu | 7 | 149.0 |
| 56 | Warner Bros Studios | 5 | 147.3 |
| 57 | MEPC | 3 | 147.0 |
| 58 | GlaxoSmithKline | 6 | 144.3 |
| 59 | LSE | 5 | 141.7 |
| 60 | Aldi | 76 | 141.4 |
| 61 | McArthurGlen | 3 | 141.0 |
| 62 | Welsh Assembly | 14 | 140.2 |
| 63 | Liverpool City Council | 22 | 138.2 |
| 64 | Hampshire County Council | 37 | 136.9 |
| 65 | Clarion | 15 | 133.9 |
| 66 | LB of Barking & Dagenham | 13 | 131.8 |
| 67 | IM Properties | 14 | 131.2 |
| 68 | Leeds City Council | 19 | 130.8 |
| 69 | LB of Hounslow | 10 | 130.7 |
| 70 | Home Office | 20 | 130.3 |
| 71 | Cardiff County Council | 18 | 129.8 |
| 72 | Cambridgeshire CC | 19 | 125.6 |
| 73 | Places For People | 10 | 125.3 |
| 74 | LB of Enfield | 12 | 124.9 |
| 75 | Quintain | 4 | 123.8 |
| 76 | Grainger | 8 | 122.6 |
| 77 | Bruntwood | 3 | 120.0 |
| 78 | South Tyneside Council | 8 | 119.5 |
| 79 | Bristol City Council | 17 | 119.0 |
| 80 | Imperial College | 13 | 119.0 |
| 81 | Notting Hill HA | 6 | 117.0 |
| 82 | Newcastle University | 3 | 116.0 |
| 83 | Gladman | 9 | 115.6 |
| 84 | SSE | 5 | 112.5 |
| 85 | KBR | 12 | 111.5 |
| 86 | Mountpark Logistics | 5 | 110.7 |
| 87 | UK Coal | 4 | 108.7 |
| 88 | Henry Boot | 11 | 108.1 |
| 89 | Cheval | 3 | 105.7 |
| 90 | Essex County Council | 25 | 104.3 |
| 91 | Drum Property | 3 | 103.9 |
| 92 | Aberdeenshire Council | 13 | 100.9 |
| 93 | Eastern Solent CP | 3 | 100.7 |
| 94 | Genr8 | 3 | 100.0 |
| 95 | London & Newcastle | 3 | 99.0 |
| 96 | TBI | 4 | 99.5 |
| 97 | Luton Borough Council | 11 | 98.9 |
| 98 | LB of Sutton | 12 | 97.4 |
| 99 | Sypte | 3 | 95.9 |
| 100 | LB of Croydon | 9 | 93.3 |
