Cost study: Belgrave house | Features

Elemental 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 拢	Cost 拢/m gifa	% split	听
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	听	听	听	听
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	听	听	听	听
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 脳 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	听	听	听	听
Sanitary appliances	164,623	5.26	0.29	听
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 脳 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	听
好色先生TV works in connection with services	764,770	24.45	1.33	听
EXTERNAL WORKS	听	听	听	听
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	听
Notes Figures shown are based upon the agreed Target Cost Plan (April 2002) and exclude carpet to office areas, artwork budget of 拢150,000 and any client enhancement
The above figures exclude main contractor鈥檚 preliminary costs, main contractor overheads and profit, and direct construction contingencies.
*拢1842/尘² including contractor鈥檚 preliminaries, overheads, profit and contingencies

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