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Keep up to dateElemental cost breakdown, Belgrave House SW1 | ||||
Office building, fit out up to and including Cat A, comprising 31,285 m2 gross internal floor area over 8 floors (basement, ground, 1-6) | ||||
ELEMENT | Total Cost £ | Cost £/m gifa | % split | Ìý |
SUBSTRUCTURE | 2,836,819 | 90.68 | 4.92 | Breaking out of existing reinforced basement slab and pile caps, re-use of existing piles where possible, new 750 and 1200 mm diameter bored piles, reinforced concrete raft slab, ground beams, king post and retaining walls |
SUPERSTRUCTURE | Ìý | Ìý | Ìý | Ìý |
Demolition | 1,293,324 | 41.34 | 2.24 | Demolition of existing building, asbestos removal, all site surveys required |
Frame and upper floors protection | 6,114,217 | 195.44 | 10.61 | Steel frame with 130 mm concrete slab on hollow rib decking, including fire and lift shaft secondary steelwork |
Roof | 1,864,652 | 59.6 | 3.24 | Hollow rib decking with 200 mm concrete slab, paving slabs on insulation on asphalt, atrium roof framing and glazing, all finishes to roof terraces plus glazed balustrade, cleaning cradle, fall arrest system and access ladders, main entrance |
Stairs | 397,300 | 12.7 | 0.69 | Pre-cast concrete stairs, stainless steel balustrade and handrails |
External walls/windows and doors | 8,794,401 | 281.11 | 15.26 | Aluminium curtain walling, picture frame portland stone bays to main grid, full height glazed entrance screen and bays, full height glazed entrance screen, 4.5 m revolving doors, reconstituted stone plant screens to roof plant, roller |
Internal walls/partitions | 1,358,546 | 43.42 | 2.36 | 140 mm blockwork walls to plant rooms, WC and cubicles, jumbo stud partition to circulation areas, dry-lining to internal face of external columns, atrium curtain walling |
Internal doors | 1,588,898 | 50.79 | 2.76 | Full height veneered hard wood doors with ironmongery to cores, softwood lacquer finish doors to risers and plant rooms, glazed doors and screen to through corridors |
FINISHES | Ìý | Ìý | Ìý | Ìý |
Wall finishes | 1,349,951 | 43.15 | 2.34 | Portland stone to main and rear reception, Aurasina limestone to central lift lobbies, white glass to WCs and cubicles, ceramic tiles to shower block, emulsion paint throughout |
Floor finishes | 1,788,306 | 57.16 | 3.1 | Limestone to reception and lift lobby floors, ceramic tiles to WCs, core corridors and staircases, 130 mm raised access floor, white lining to car park/loading bay, MDF skirtings to office areas |
Ceiling finishes | 1,672,423 | 53.46 | 2.9 | Standard proprietary metal tile ceiling grid, 1500 × 1500 mm grid, plasterboard edge perimeter with bulkhead to curtain walling, plasterboard ceiling to WCs, shower blocks, back of house etc |
FITTINGS & FURNISHINGS | 417,828 | 13.36 | 0.73 | Marble vanity tops and framing to WCs, mirrors, reception desks, reception |
SERVICES | Ìý | Ìý | Ìý | Ìý |
Sanitary appliances | 164,623 | 5.26 | 0.29 | Ìý |
Disposal installation | 339,359 | 10.85 | 0.59 | Cast iron stacks with PVCu water run outs |
Water installation | 233,081 | 7.45 | 0.4 | Copper distribution system from calorifiers |
Heat source | 372,121 | 11.89 | 0.65 | Four 597 kw condensing boilers in basement |
Space heating/air treatment | 5,743,107 | 183.57 | 9.97 | Four-pipe fan coil system with adiabatic dry coolers and chillers |
Ventilating system | 337,943 | 10.8 | 0.59 | Ducted supply and extract system, fire rated in basement |
Electrical installation | 3,228,659 | 103.2 | 5.6 | Bus-bar risers, 1200 × 600 mm modular light fittings developed for architect |
Gas installation | 59,863 | 1.91 | 0.1 | Gas boosters complete with steel pipework distribution |
Lift installation | 2,043,634 | 65.32 | 3.55 | Six 21-passenger lifts, 2 fire fighting lifts, 1 goods lift, 1 car lift to |
Protective installation | 708,244 | 22.64 | 1.23 | Sprinklers to basement car park. Dry risers elsewhere |
Communication installation | 1,142,554 | 36.52 | 1.98 | Fire alarm, landlords intruder detection system and communications wireways |
Special installation | 10,112 | 0.32 | 0.02 | Ìý |
ºÚ¶´ÉçÇø works in connection with services | 764,770 | 24.45 | 1.33 | Ìý |
EXTERNAL WORKS | Ìý | Ìý | Ìý | Ìý |
Site works | 538,464 | 17.21 | 0.93 | External paving to perimeter of site, soft landscaping requirements, access ramp |
Drainage | 126,400 | 4.04 | 0.22 | Below basement slab and site area |
External services | 528,554 | 16.89 | 0.92 | External lighting, statutory connections, new sub station |
Total | 45,818,153 | 1,464.54* | 100 | Ìý |
Notes Figures shown are based upon the agreed Target Cost Plan (April 2002) and exclude carpet to office areas, artwork budget of £150,000 and any client enhancement | ||||
The above figures exclude main contractor’s preliminary costs, main contractor overheads and profit, and direct construction contingencies. | ||||
*£1842/³¾2 including contractor’s preliminaries, overheads, profit and contingencies |
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