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Elemental analysis of contract sum
Total out-turn
cost (£)		 Cost/unit % of total
cost
Demolitions 170 870 1 582.13 3.29
Alterations 257 249 2 381.94 4.95
Substructure 44 975 416.44 0.87
Superstructure 1 685 505 15 606.53 32.45
Upper floors 162 642 1 505.94 3.13
Roof 348 350 3 225.46 6.71
External walls 579 747 5 368.03 11.16
Windows and external doors 533 884 4 943.37 10.28
Internal walls and partitions 12 843 118.92 0.25
Internal doors 48 039 444.81 0.92
Internal finishes 169 461 1 569.08 3.26
Wall 89 283 826.69 1.72
Floor 60 101 556.49 1.16
Ceiling 20 077 185.90 0.39
Fittings and fixtures 117 471 1 087.69 2.26
Services installations 1 412 711 13 080.66 27.20
Sanitary 80 041 741.12 1.54
Services 661 000 6 120.37 12.73
Disposal 36 925 341.90 0.71
Electrical 450 000 4 166.67 8.66
Lifts 184 745 1 710.60 3.56
Builders’ work in connection 101 523 940.03 1.95
External works 165 000 1 527.78 3.18
Preliminaries 789 048 7 306.00 15.19
Contingency 280 638 2 598.50 5.40
Contract sum 5 194 451 48 096.77 100
Elemental breakdown of contract
Demolitions
One stack of units throughout the full, eight-storey height of
the block was demolished. Asbestos found in kitchens and
bathrooms was stripped out.
Alterations
Only concrete repairs and associated works are included.
Substructure
Minor foundations and slabs to new bin-store enclosure areas constructed.
Upper floors
Minor extensions added to floors to create refuse enclosure lobbies.
Roof
New profiled aluminium wave-form roof erected above existing flat roof.
External walls
Existing cavity wall insulated, new composite steel and timber balconies and access walkways provided, specialist render to bin-store enclosure walls added.
Windows and external doors
Replacement composite aluminium and timber double-glazed windows installed, as well as replacement entrance doors.
Internal walls and partitions
Walls formed within bin-store enclosures.
Internal doors
All internal doors to dwellings overhauled, including ironmongery; damaged doors replaced.
Internal finishes
Plaster to walls made good, bathrooms and kitchens affected by alteration works redecorated, ceramic wall and floor tiling installed in new bin-store areas, vinyl floor and carpets replaced in all dwellings.
Fixtures and fittings
Kitchen units and worktops replaced in most dwellings.
Services
  • Old heating system replaced by combination boilers in all dwellings, services modified to accommodate new heating system, and bathrooms and kitchens refurbished
  • Passenger lifts replaced
  • CCTV monitoring and entry-phone systems installed
  • Baths, wash basins and WCs replaced.
    External works
  • Provision of on-plot parking, new street lighting and off-street parking
  • Entrance road upgraded and soft landscaping carried out to suit new layout.