Heathrow airport, Hounslow: £118,320,000
Sellafield Limited, Cumbria: £32,335,870
Sizewell B power station, Suffolk: £28,283,410
Gatwick airport, West Sussex: £27,849,570
Heysham 2 power station, Lancashire: £24,640,140
No 1 Maintenance Area, Heathrow: £20,301,740
Vodafone fibre optic network and Berkshire premises: £19,720,000
Hartlepool power station: £16,564,800
Corus UK Ltd, Lincolnshire: £15,460,480
Manchester airport: £15,302,720
Stansted airport, Essex: £15,046,360
BA World Cargo Centre Buildings, Heathrow: £13,641,310
Home Office, London: £12,305,280
Harrods, London: £11,827,070
Citigroup, Canada Square, London: £11,822,140
HSBC 8, Canada Square, London: £11,728,470
British Airways, Terminal 5, Heathrow: £11,457,320
Drax power station, North Yorkshire: £11,215,750
BBC Broadcasting House, Portland Place, London: £11,038,270
JP Morgan, Bank Street, London: £10,826,280
Esso refinery, Southampton: £10,826,280
SSI South Teeside works, Cleveland: £10,725,215
Selfridges, Oxford Street, London: £10,042,410
Barclays Bank, Canary Wharf, London: £9,455,740
Ministry Of Defence, Whitehall, London: £9,317,700
Heysham 1 power station, Lancashire: £9,120,500
Credit Suisse, Cabot Square, London: £9,095,850
National Grid, Kent: £8,676,800
Security Service, Millbank, London: £8,553,550
Felixstowe Dock & Railway Co, Suffolk: £8,381,000
BBC, Wood Lane, London: £8,001,390
Ratcliffe-On-Soar power station, Nottingham: £7,685,870
Channel Tunnel, Kent: £7,592,200
Goldman Sachs, Fleet Street, London: £7,488,670
Clifford Chance, Upper Bank Street, London: £7,434,440
Birmingham airport: £7,399,930
Devonport Royal Dockyard, Plymouth: £7,261,890
PWC, Embankment Place, London: £7,084,410
Gas Storage Facility, Hull: £6,837,910
University Of Manchester: £6,783,680
Palace Of Westminster, London: £6,655,500
Didcot B power station: £6,615,074
Phillips 66 Ltd, Lincolnshire: £6,581,550
Staythorpe power station, Nottinghamshire: £6,544,575
New Scotland Yard 10, London: £6,502,670
Cottam power station, Nottinghamshire: £6,409,000
West Burton power station, Nottinghamshire: £6,399,140
John Lewis, Oxford Street, London: £6,384,350
Morgan Stanley, Bank Street, London: £6,344,910
HM Treasury, London: £6,344,910
