Costs based on gross internal area.
Cost analysis refers to final account SUBSTRUCTURE Foundations/slabs £111.78/m 2Bored cast-in situ piling; reinforced-concrete pilecaps; 4m-deep reinforced-concrete basement and suspended ground-floor slab. Perimeter sheet piling excluded from contract SUPERSTRUCTURE Frame £149.86/m 2Structural steel frame, mainly tubular steel columns and cell-form beams; intumescent-paint fire protection Upper floors £66.20/m 2Profiled metal deck with reinforced-concrete topping, powerfloated Roof £15.38/m 2Single-membrane waterproofing layer; Roofmate insulation with ballast/paving slab finish Staircases £16.78/m 2Steel staircase; polished-steel balustrade/handrails External walls £237.40/m 2Unitised-frame panel cladding with multicoloured fritted double glazing; ground-floor stick system;
back-painted glass cladding to entrance area;
unitised-frame glazed balustrades; perforated rainscreen/louvres to loading bay and transformer rooms; metal profiled cladding to roof plant room External doors £5.75/m 2Two 4m-high, 2.5m-diameter revolving doors to front entrance, generally all other doors glazed;
roller shutters to loading bay and car park ramp Internal walls and partitions £57.28/m 2Fair-faced block walls in basement. All other core and staircase walls are plasterboard dry lined and insulated, including risers Internal doors £48.73/m 2Generally painted solid-core flush doors, with oakveneered flush doors to the WCs and cubicle;
Allgood ironmongery INTERNAL FINISHES Wall finishes £16.70/m 2Painted finish to plasterboard core walls; WC walls combination of black granite tiling, back-painted glass, stainless steel and oak-veneered panelling Floor finishes £51.07/m 2Medium-duty fully accessible raised floor to offi ce areas; screed to lift and stair lobbies; proprietary raised-floor system to toilets, with black granite tile finish; black granite and limestone paviors to reception area Ceiling finishes £67.86/m 21,300 x 1,300mm steel megapanel suspended-ceiling tiles on a 200mm-wide C-profile grid; plasterboard margins and ceilings to WCs and core lobbies FITTINGS AND FURNISHINGS Furniture £7.49/m 2Reception desk; statutory signage; entrance turnstiles to lift lobby in reception area SERVICES Sanitary appliances £19.01/m 2Good-quality ceramic and stainless-steel sanitary fittings and equipment, including vanity units Disposal installations £12.54/m 2Rainwater installation; soil and vent stacks;
condensate drains Water installations £10.95/m 2Hot- and cold-water installations Space heating/air treatment £229.45/m 2Four-pipe fan-coil system; packaged roof-mounted chillers; heating installation; car park, WC and plant-room ventilation systems; BMS system Electrical services £110.88/m 2Mains and submains distribution; lighting installation with integrated ceiling light fittings and emergency lighting; small power, life-safety standby generator. Floor boxes and underfloor cabling excluded Lift and conveyor installations £79.10/m 2Ten lifts, including one 3,000kg goods lift; special liftcar finishes; security systems; goods scissor lift; turntable and roof-mounted window-cleaning equipment Protective installations £50.13/m 2CCTV; sprinkler/dry riser installation; access control;
intruder/fire/voice alarms; lightning protection Communications installations £1.25/m 2Basic telecommunications system to landlord's areas Builders' work in connection £25.89/m 2Access platforms; steel support to plant; holes; chases EXTERNAL WORKS Landscaping, ancillary buildings £28.77/m 2External granite and Yorkstone paving; granite setts to loading bay; fencing, balustrading and gates;
retail pod adjacent to main entrance PRELIMINARIES AND INSURANCES Preliminaries, overheads and profits £314.34/m 2Preliminaries; edge protection; contractor design fees; monitoring of adjoining buildings and bridges.
Note: elemental rates include overheads and profit and also include subcontractor preliminaries