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Ìý£/system
X-ray MVTHR scanner200,000
CT examiner600,000
Network interface50,000
X-ray scanner (hand baggage)70,000
Tilt tray sorter complete10,000/m
Make-up carousel75,000
Reclaim carousel90,000
All costs are net of builders’ work, preliminaries and professional fees.
Ìý££/m2 GIFA%
Substructure4,307,000172.286.02
Undercroft construction; reduced-level excavation, 200mm-thick reinforced concrete ground slab, hardcore, damp-proof membrane: 8,550m2 @ £300ÌýÌýÌý
Ground slab; 200mm-thick reinforced insitu concrete bed, hardcore, damp-proof membrane: 1,050m2 @ £120ÌýÌýÌý
Extra for retaining walls, linings etc: item @ £320,000ÌýÌýÌý
Extra for foundations; isolated pad and raft foundations: 9,600m2 @ £105ÌýÌýÌý
Allowance for below-ground drainage and incoming services: 9,600m2 @ £30ÌýÌýÌý
Frame3,585,800143.435.01
Allowance for structural steel framing based on 80kg/m2 (average rate for universal and hollow sections): 1,330t @ £2,300ÌýÌýÌý
Allowance for structural steelwork to office mezzanine, based on 35kg/m2: 25t @ £1,950ÌýÌýÌý
Allowance for additional framing/trimming to service risers and openings for baggage conveyors: item @ £160,000ÌýÌýÌý
Cold-rolled galvanised steel roof purlins; 1.6m centres, 4.5kg/m average weight: 9,300m @ £10ÌýÌýÌý
Intumescent 1hr fire-resistant paint finish: 15,000m2 @ £15ÌýÌýÌý
Upper floors1,570,00062.802.20
Prestressed, precast concrete structural suspended floor units; 50mm-thick structural topping: 14,800m2 @ £95ÌýÌýÌý
Extra for 7.5kN/m2 floor loading to plant room areas: 500m2 @ £8ÌýÌýÌý
Extra for formation of openings, lift and escalator pits etc: item @ £160,000ÌýÌýÌý
Roof5,551,500222.067.76
Roof cladding, including perforated feature cladding, raised-seam aluminium roofing, structural deck, insulation, vapour barrier and liner: 9,200m2 @ £285ÌýÌýÌý
Extra for rooflights, with sealed double-glazed units, powder-coated aluminium framing and secondary steelwork including perforated panel sunscreens: 900m2 @ £950ÌýÌýÌý
Allowance for work to boundaries, gutters, rooflights, openings etc: 7,500m @ £80ÌýÌýÌý
Precast concrete roof slabs; 7.5kN/m2 floor loading, for roof-level plant, with waterproof membrane, plinths and bases: 450m2 @ £250ÌýÌýÌý
Full-length entrance/set-down canopy, complete with hollow-section framing, curved aluminium raised-seam roofing, rooflights: 1,300m2 @ £900ÌýÌýÌý
Allowance for roof safety system: 1,200m @ £160ÌýÌýÌý
Stairs807,00032.281.13
Steel feature stair and half-landings, overall rise 5.50m, with toughened, laminated glass balustrade, stainless steel handrails, finishes: 2 nr @ £40,000ÌýÌýÌý
Steel feature stair, overall rise 3.00m, with toughened, laminated glass balustrade, stainless steel handrails, finishes: 2 nr @ £32,000ÌýÌýÌý
Precast concrete stairs and half-landings, overall rise 5.50m, with stainless steel handrails, finishes: 2 nr @ £26,000ÌýÌýÌý
Precast concrete stairs and half-landings, overall rise 5.50m, with polyester powder-coated steel handrails, finishes: 16 nr @ £20,000ÌýÌýÌý
Balustrade and handrail to mezzanine and first floor with toughened laminated glass balustrade and stainless steel handrail: 190m @ £900ÌýÌýÌý
Allowance for access platforms and stairs to plant rooms: item @ £100,000ÌýÌýÌý
Allowance for roof access, stairs and hatches: item @ £20,000ÌýÌýÌý
External walls, windows and doors6,840,200273.619.57
Wall cladding; aluminium-faced composite panels with 25% glazing in aluminium-framed sealed double-glazed units, flashings and accessories: internal lining, including 140mm-thick blockwork backing wall: 7,000m2 @ £650ÌýÌýÌý
Curtain walling; silicone-sealed double-glazed units, colour-coated aluminium framing, flashings and accessories: 1,750m2 @ £900ÌýÌýÌý
Extra for shopfront feature curtain walling to entrance areas: 100m2 @ £400ÌýÌýÌý
Extra for triple-glazing and increased depth of framing to airside curtain walling: 480m2 @ £240ÌýÌýÌý
Louvre panels to plant areas, of powder-coated aluminium: 250m2 @ £400ÌýÌýÌý
Principal entrance double doorsets (2 nr) and wind lobby, fully glazed with ironmongery and accessories: 6 nr @ £50,000ÌýÌýÌý
Aluminium-faced powder-coated vision-panel double doors and frames, with ironmongery: 10 nr @ £10,000ÌýÌýÌý
High-speed sectional doors to baggage handling, electrically operated, including controls: 4 nr @ £15,000ÌýÌýÌý
Internal walls and partitions2,099,00083.962.94
Insitu concrete shear walls to stair cores and service risers, 250mm average thickness: 2,500m2 @ £140ÌýÌýÌý
Blockwork partitions, 140mm average thickness, with head restraint: 7,700m2 @ £60ÌýÌýÌý
Metal stud partitions; 5.0m high, single-layer impact-resistant board, single-layer wallboard, each side, to public areas: 2,500m2 @ £80ÌýÌýÌý
Metal stud partitions; double-layer wallboard, each side, to office areas: 1,050m2 @ £60ÌýÌýÌý
Metal stud partitions; shaftwall construction, double-layer fireline board, single-layer core board, one side only: 2,000m2 @ £100ÌýÌýÌý
Fascia panel to ticket sales desks: 40m @ £800ÌýÌýÌý
Fully glazed shopfronts; fascia panel: 160m @ £3,200ÌýÌýÌý
Toilet cubicle partitions: 50 nr @ £1,600ÌýÌýÌý
Melamine-faced solid-laminate access panelling to WCs etc: 150 nr @ £800ÌýÌýÌý
Allowance for additional screens and partitions: item @ £80,000ÌýÌýÌý
Internal doors371,10014.840.52
Flush doors to public areas, solid-core laminate/veneer-faced with hardwood frames and ironmongery: 100 nr @ £1,450ÌýÌýÌý
Flush doors to administration areas, solid-core laminate/veneer-faced with hardwood frames and ironmongery: 72 nr @ £1,300ÌýÌýÌý
Duct access doors: 100 nr @ £1,125ÌýÌýÌý
Allowance for additional services access panels: item @ £20,000ÌýÌýÌý
Wall finishes1,224,60048.981.71
Independent wall lining; plasterboard lining to inner face of external walls: 4,600m2 @ £50ÌýÌýÌý
Extra over plasterboard linings for laminate-finish wall panelling: 2,500m2 @ £15ÌýÌýÌý
Laminate-finish wall panelling to blockwork: 3,700m2 @ £65ÌýÌýÌý
Ceramic tiles with sand cement backing to concrete or blockwork: 300m2 @ £65ÌýÌýÌý
13mm double-coat lightweight plaster and two coats emulsion paint to blockwork/concrete: 10,900m2 @ £20ÌýÌýÌý
Two coats emulsion paint to blockwork: 6,650m2 @ £5ÌýÌýÌý
Skim coat and two coats emulsion paint to plasterboard: 5,900m2 @ £12ÌýÌýÌý
Wall protectors, stainless steel protective rails: 1,500m @ £250ÌýÌýÌý
Floor finishes1,720,50068.822.41
Sand cement screed, average 40mm thick: 10,040m2 @ £24ÌýÌýÌý
Granite terrazzo floor tiles, 300 x 300mm, including allowance for skirtings, movement joints and brass division strips: 6,540m2 @ £130ÌýÌýÌý
Vitrified ceramic tiles, 400 x 400mm, including allowance for skirtings and movement joints: 1,100m2 @ £95ÌýÌýÌý
Raised access floor, carpet tile, to office areas: 800m2 @ £65ÌýÌýÌý
Heavy-duty carpet tiles, including allowance for skirtings: 2,400m2 @ £45ÌýÌýÌý
Vinyl floor tiles and levelling screed, including allowance for skirtings, to core areas: 2,550m2 @ £40ÌýÌýÌý
Extra for finish to WCs: 400m2 @ £76ÌýÌýÌý
Concrete hardener to concession shells, plant rooms and baggage handling, and skirtings: 10,300m2 @ £8ÌýÌýÌý
Allowance for additional floor finishes: item @ £100,000ÌýÌýÌý
Suspended ceilings, including metal pan tiles and lay-in grid, to check-in, ticket sales and office areas: 1,650m2 @ £65ÌýÌýÌý
Suspended ceilings, including mineral-fibre tiles and lay-in tiles, to core areas: 440m2 @ £40ÌýÌýÌý
Extra over ceiling finishes generally for acoustic treatment to mall/queuing areas: 6,000m2 @ £35ÌýÌýÌý
Extra for moisture-resistant ceiling tiles to WC areas: 400m2 @ £10ÌýÌýÌý
Concrete sealant to concession shells, plant rooms and baggage handling: 10,300m2 @ £10ÌýÌýÌý
Extra for 4hr fire protection to areas of undercroft plant room soffit: 500m2 @ £100ÌýÌýÌý
Furniture and fittings1,770,00070.802.49
Check-in desks: 64 nr @ £5,000ÌýÌýÌý
Out-of-gauge baggage counter: item @ £40,000ÌýÌýÌý
Information and security desks: item @ £80,000ÌýÌýÌý
Ticket desks: 20 nr @ £10,000ÌýÌýÌý
Statutory and directional signage: item @ £240,000ÌýÌýÌý
Seating to check-in and departure lounge areas: 400 nr @ £250ÌýÌýÌý
Allowance for fixtures and fittings generally to public areas: item @ £320,000ÌýÌýÌý
Allowance for furniture and equipment to check-in and ticket sales areas (excluding IT installations): item @ £320,000ÌýÌýÌý
Allowance for fittings to back-of-house areas: item @ £150,000ÌýÌýÌý
Sanitary fittings114,5004.580.16
WCs, urinals, hand basins generally: 150 nr @ £650ÌýÌýÌý
Allowance for fittings for disabled WCs: item @ £8,100ÌýÌýÌý
Cleaners’ sinks: 6 nr @ £650ÌýÌýÌý
Allowance for drinking-water fountains: item @ £5,000ÌýÌýÌý
Disposal installations445,00017.800.63
Rainwater disposal, including cast-iron downpipes and fittings: 25,000m2 @ £6ÌýÌýÌý
Waste, soil and vent installation, including uPVC pipework and fittings: 25,000m2 @ £8ÌýÌýÌý
Allowance for pumped disposal from undercroft: item @ £95,000ÌýÌýÌý
Water installations450,00018.000.63
Hot and cold water service, including calorifiers, hot and cold water storage and distribution: 25,000m2 @ £18ÌýÌýÌý
Space heating and air treatment9,610,900384.4413.52
Gas installation: item @ £32,000ÌýÌýÌý
Low-temperature hot water heating (boiler plant), including stainless steel flues, pumps and valves, distribution within plant rooms, insulation: 25,000m2 @ £24 ÌýÌýÌý
Low-temperature hot water heating (perimeter heating), including LTHW elements and distribution: 25,000m2 @ £38ÌýÌýÌý
Chilled water installation, including chillers and cooling towers (total load 2,500kW), pressurisation unit, pumps and valves, distribution pipework, insulation and trace heating: 25,000m2 @ £64ÌýÌýÌý
Supply and extract ventilation: air-handling unit with heating and cooling batteries; ductwork in risers and plant rooms: 25,000m2 @ £32ÌýÌýÌý
Supply and extract ventilation: displacement system; ductwork, grilles and diffusers, insulation; to public areas: 13,500m2 @ £290ÌýÌýÌý
Air-conditioning: four-pipe fan-coil installation to office areas, check-in etc; LTHW and chilled water distribution, condensate drainage, fan-coil units, ductwork, insulation, grilles and diffusers: 1,650m2 @ £250ÌýÌýÌý
Allowance for services to comms rooms: item @ £240,000ÌýÌýÌý
Mechanical ventilation to baggage handling and plant rooms: 7,400m2 @ £80ÌýÌýÌý
Toilet extract installation: 25,000m2 @ £8ÌýÌýÌý
Allowance for smoke extract to public areas, roof-level extract: 13,500m2 @ £10ÌýÌýÌý
Extra over mechanical ventilation for smoke extract to baggage handling: 4,200m2 @ £32ÌýÌýÌý
Electrical installations6,913,800276.559.72
HV switchgear, 5mVA, transformers, HV cable, LV switchgear: item @ £1,600,000ÌýÌýÌý
Standby generation (1,750kVA) for essential services only: item @ £800,000ÌýÌýÌý
Mains and sub-mains installation: 25,000m2 @ £46ÌýÌýÌý
Small power distribution: 25,000m2 @ £16ÌýÌýÌý
Lighting and luminaires to public areas: 13,500m2 @ £120ÌýÌýÌý
Lighting and luminaires to check-in, ticket sales and offices: 1,650m2 @ £90ÌýÌýÌý
Lighting and luminaires to core, plant and baggage handling: 9,850m2 @ £65ÌýÌýÌý
Emergency lighting installation: 25,000m2 @ £15ÌýÌýÌý
Power to mechanical services: item @ £180,000ÌýÌýÌý
Lift installations1,260,00050.401.77
26-person, 0.6m/s electro-hydraulic lift serving 2 floors: 2 nr @ £150,000ÌýÌýÌý
2,000kg goods lift serving 3 floors: 2 nr @ £160,000ÌýÌýÌý
Escalator, 0.5m/s, 1m step-width, 5.2m rise, glass balustrade: 4 nr @ £160,000ÌýÌýÌý
Protective installations1,210,00048.401.70
Lightning protection: 25,000m2 @ £3ÌýÌýÌý
Earthing and bonding: 25,000m2 @ £5ÌýÌýÌý
Sprinkler installation, with storage tank, pumps and pipework: 25,000m2 @ £32ÌýÌýÌý
Allowance for dry-riser and hose-reel installations: item @ £160,000ÌýÌýÌý
Fire-suppression installation to comms room: item @ £50,000ÌýÌýÌý
Communications installations4,075,000163.005.73
Fully addressable fire and smoke detection and alarm system: 25,000m2 @ £30ÌýÌýÌý
Voice/public address system with interfaces to flight information, fire and security systems: 25,000m2 @ £16ÌýÌýÌý
Intruder detection: 25,000m2 @ £10ÌýÌýÌý
Allowance for security, CCTV and access control: 25,000m2 @ £32ÌýÌýÌý
Wireways for telephones, data and structured cable: 25,000m2 @ £13ÌýÌýÌý
Structured cable installation, linking check-in, ticket desks and security control points: 25,000m2 @ £30ÌýÌýÌý
Allowance for flight information display system; 100 LED displays, 150 monitors: item @ £800,000ÌýÌýÌý
Special installations1,350,00054.001.90
ºÚ¶´ÉçÇø management system: 25,000m2 @ £54ÌýÌýÌý
(Baggage-handling installation excluded)ÌýÌýÌý
Builder’s work in connection760,00030.401.07%
Allowance for forming holes, chases etc @ 3%: item @ £760,000ÌýÌýÌý
Preliminaries and contingencies13,915,200556.6119.57
Allowance for contractor’s overheads, site establishment and site supervision @ 18%: item @ £10,315,000ÌýÌýÌý
Allowance for commissioning management: item @ £250,000ÌýÌýÌý
Allowance for design reserve @ 5%: item @ £3,350,200ÌýÌýÌý
Total construction cost (building only)71,100,0002844.00100.00
Acknowledgments: Davis Langdon would like to thank Richard Gammon of Capita Architecture and Tony Potter, Nigel Addy, John Grounds and David Unwin of Davis Langdon’s airports sector for their assistance in producing this cost model