Amphion project |
| Element cost (£) | cost/m2 gfa (£) | % of total cost |
Substructure | 4500 | 53.29 | 9.37 |
Strip foundations and ground bearing slab; reduced level dig, disposal |
item @ 162,000 | Ìý | Ìý | Ìý |
Frame, upper floors and partitions | 9110 | 107.93 | 18.97 |
Timber frame panels, external wall panels, upper floors, roof structure and internal partitions |
item @ 328,100 | Ìý | Ìý | Ìý |
Roof | 2840 | 33.65 | 5.91 |
Roof coverings; concrete roof tiles, rainwater goods |
item @ 102,300 | Ìý | Ìý | Ìý |
External wall cladding | 5630 | 66.71 | 11.73 |
Single skin outer brick wall | Ìý | Ìý | Ìý |
item @ 202,800 | Ìý | Ìý | Ìý |
Joinery generally | 6560 | 77.73 | 13.66 |
Stairs | Ìý | Ìý | Ìý |
item @ 36,200 | Ìý | Ìý | Ìý |
Windows and external doors; timber; site finished |
item @ 150,100 | Ìý | Ìý | Ìý |
Internal doors | Ìý | Ìý | Ìý |
item @ 50,000 | Ìý | Ìý | Ìý |
Finishes generally | 8910 | 105.49 | 18.54 |
Wall, floor and ceiling finishes | Ìý | Ìý | Ìý |
item @ 320,700 | Ìý | Ìý | Ìý |
Furniture and fittings | 1540 | 18.19 | 3.20 |
Fixtures and fittings generally | Ìý | Ìý | Ìý |
item @ 55,300 | Ìý | Ìý | Ìý |
Services generally | 8940 | 105.92 | 18.62 |
Sanitary fittings | Ìý | Ìý | Ìý |
item @ 33,800 | Ìý | Ìý | Ìý |
Plumbing | Ìý | Ìý | Ìý |
item @ 89,800 | Ìý | Ìý | Ìý |
Heating and ventilation | Ìý | Ìý | Ìý |
item @ 126,500 | Ìý | Ìý | Ìý |
Electrical installation | Ìý | Ìý | Ìý |
item @ 71,900 | Ìý | Ìý | Ìý |
Total construction cost – building only | 48,030 | 568.91 | 100 |
External works | 11,140 | 131.91 | – |
Drainage, service trenches, lighting, drives, parking areas and paved areas, soft landscape, screen walls and fencing |
item @ 401,000 | Ìý | Ìý | Ìý |
Adoptable works | 6970 | 82.57 | – |
Roads, footpaths, sewers, street lighting and street furniture |
item @ 251,000 | Ìý | Ìý | Ìý |
Service mains and connections | 3830 | 45.39 | – |
item @ 138,000 | Ìý | Ìý | Ìý |
Overall construction cost | 69,970 | 828.78 | – |
Reported costs are current in 1st quarter 2002, based on a location in southern England. Allowances for preliminaries and contingencies are included in the rates. The costs exclude site preparation costs, off-site works including services diversions, surveys, professional fees and VAT |