| 1 | Department for Transport | 60 | 2,531.6 |
| 2 | Department of Health | 283 | 1,687.5 |
| 3 | Greater London Authority | 11 | 1,223.9 |
| 4 | Department for Education | 74 | 671.4 |
| 5 | Network Rail | 81 | 616.5 |
| 6 | National Grid | 26 | 529.9 |
| 7 | Westminster City Council | 11 | 413.4 |
| 8 | Environment Agency | 41 | 339.1 |
| 9 | Biffa Waste Services | 3 | 330.0 |
| 10 | RB of Greenwich | 9 | 316.4 |
| 11 | Legal & General | 27 | 304.6 |
| 12 | Gateshead MBC | 5 | 286.4 |
| 13 | Peabody Trust | 8 | 256.2 |
| 14 | Segro | 12 | 251.9 |
| 15 | Cornwall Council | 13 | 251.4 |
| 16 | Lidl | 68 | 230.4 |
| 17 | Ministry of Defence | 53 | 226.0 |
| 18 | IDI Gazeley | 7 | 210.9 |
| 19 | Prologis | 9 | 206.6 |
| 20 | Land Securities | 11 | 191.2 |
| 21 | Birmingham City Council | 16 | 189.6 |
| 22 | University of London | 16 | 179.5 |
| 23 | Southern Housing | 3 | 173.6 |
| 24 | LB of Waltham Forest | 12 | 165.3 |
| 25 | Kingston Upon Hull CC | 12 | 164.3 |
| 26 | City of Edinburgh Council | 33 | 164.1 |
| 27 | St Modwen | 16 | 160.2 |
| 28 | Quintain | 3 | 159.8 |
| 29 | Tata | 3 | 157.3 |
| 30 | Cheshire East Council | 3 | 152.6 |
| 31 | University of Cambridge | 19 | 148.0 |
| 32 | Aldi | 54 | 145.1 |
| 33 | Kier | 25 | 144.9 |
| 34 | IM Properties | 6 | 141.6 |
| 35 | Peel Holdings | 14 | 140.5 |
| 36 | University College London | 12 | 138.7 |
| 37 | University of York | 4 | 136.8 |
| 38 | LB of Southwark | 20 | 136.3 |
| 39 | LB of Barking & Dagenham | 14 | 135.0 |
| 40 | Homes England | 17 | 133.9 |
| 41 | Clarion | 16 | 132.9 |
| 42 | Caledonian Maritime | 4 | 126.0 |
| 43 | Welsh Assembly | 26 | 124.9 |
| 44 | Manchester City Council | 15 | 122.8 |
| 45 | Northamptonshire CC | 3 | 121.7 |
| 46 | Morgan Sindall | 18 | 121.4 |
| 47 | LB of Hammersmith & Fulham | 15 | 120.3 |
| 48 | London & Quadrant HT | 7 | 119.9 |
| 49 | Commercial Estates Group | 7 | 119.4 |
| 50 | Roxhill | 4 | 115.4 |
| 51 | North London Waste Authority | 4 | 115.1 |
| 52 | LB of Haringey | 9 | 114.0 |
| 53 | Stoford | 5 | 112.3 |
| 54 | Kent County Council | 24 | 110.4 |
| 55 | Bradford MDC | 10 | 106.7 |
| 56 | LB of Ealing | 5 | 105.5 |
| 57 | Wolverhampton City Council | 13 | 105.3 |
| 58 | Cheshire W&C Council | 10 | 103.1 |
| 59 | British Land | 16 | 102.7 |
| 60 | LB of Tower Hamlets | 11 | 101.5 |
| 61 | Argent | 6 | 99.1 |
| 62 | Surrey County Council | 13 | 97.5 |
| 63 | Leeds City Council | 12 | 97.2 |
| 64 | Medway Council | 8 | 96.8 |
| 65 | Powys County Council | 9 | 96.5 |
| 66 | Southampton City Council | 10 | 92.7 |
| 67 | Stoke On Trent City Council | 10 | 91.8 |
| 68 | Hertfordshire County Council | 8 | 91.6 |
| 69 | Stockport MBC | 3 | 90.4 |
| 70 | Dominvs | 4 | 90.3 |
| 71 | Monte Blackburn | 6 | 90.1 |
| 72 | Home Office | 23 | 90.1 |
| 73 | Leicestershire County Council | 8 | 89.8 |
| 74 | TH DM | 3 | 89.6 |
| 75 | A2Dominion | 3 | 89.4 |
| 76 | Hyde | 3 | 88.8 |
| 77 | SHE Transmission | 3 | 87.6 |
| 78 | Dwr Cymru Welsh Water | 5 | 85.4 |
| 79 | Bristol City Council | 8 | 85.0 |
| 80 | Scottish Borders Council | 6 | 82.6 |
| 81 | Ineos | 5 | 81.8 |
| 82 | Euro Garages | 28 | 81.1 |
| 83 | ABP | 12 | 80.6 |
| 84 | Global Infrastructure Partners | 7 | 78.7 |
| 85 | East Dunbartonshire DC | 6 | 76.6 |
| 86 | Renfrewshire Council | 15 | 75.8 |
| 87 | JPMorgan Chase | 4 | 74.9 |
| 88 | Signature Senior Lifestyle | 4 | 74.9 |
| 89 | Rolls-Royce | 4 | 74.8 |
| 90 | University of Durham | 3 | 73.5 |
| 91 | Yorkshire Housing | 6 | 72.9 |
| 92 | Scottish Government | 4 | 71.4 |
| 93 | Cambridgeshire County Council | 7 | 70.1 |
| 94 | Wykeland | 7 | 68.6 |
| 95 | Places For People | 6 | 67.1 |
| 96 | Norfolk County Council | 12 | 66.9 |
| 97 | Leicester City Council | 8 | 66.2 |
| 98 | Sanctuary | 14 | 66.1 |
| 99 | North Ayrshire Council | 11 | 65.8 |
| 100 | J Sainsbury | 22 | 65.4 |
