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Elemental cost analysis: 6 Brindleyplace
gross internal area: 11,473 m2 net internal area: 9367 m2 start of contract: July 1998 completion: March 2000      
Element cost £ £/m2 net £/m2 gross % of total cost
Demolitions 59,203 6.32 0.48  
Substructure 973,492 103.93 84.85 7.96
Frame 910,505 97.21 79.36 7.44
Upper floors 328,659 35.09 28.65 2.69
Roof 437,400 46.70 38.12 3.58
Stairs 120,271 12.84 10.48 0.98
External walls 1,382,661 147.61 120.51 11.30
Windows and external doors 405,371 43.28 35.33 3.31
Internal walls and partitions 431,088 46.02 37.57 3.52
Internal doors and associated screens 212,351 22.67 18.51 1.74
Wall finishes 201,394 21.50 17.55 1.65
Floor finishes 664,302 70.92 57.90 5.43
Ceiling finishes 256,986 27.44 22.40 2.10
Fittings 64,945 6.93 5.66 0.53
Heating and ventilating installations 1,864,474 199.05 162.50 15.24
Electrical installations 906,745 96.81 79.03 7.41
Lift and conveyor installations 450,236 48.07 39.24 3.68
Builders’ work, attendances 158,770 16.95 13.84 1.30
Site works 3882 0.41 0.34 0.03
Drainage 18,215 1.94 1.59 0.15
External services 31,659 3.38 2.76 0.26
Sub-total: works 9,882,609 1055.08 861.35 80.79
Preliminaries 1,340,010 143.06 116.79 10.96
Contingency 300,000 32.03 26.15 2.45
Overheads and profit 560,370 59.83 48.84 4.58
Fixed price 148,950 15.90 12.98 1.22
Sub-total: preliminaries 2,349,330 250.82 204.76 19.21
TOTAL 12,231,939 1305.90 1066.11 100.00
Fixed price adjustment 8.72 7.10  
Total adjusted to January 2000 1314.62 1073.21