| Costs for 1600m2 Technology block |
| | Element cost (£) | £/m2 gfa (£) | % of total cost |
| Substructure | 51 200 | 32 | 5.12 |
| Stip and pad foundations with dpm, 150mm, 175 mm and 215 mm insitu reinforced concrete power-floated pads and slabs, brick/block cavity walls | | 1280 m2 @ | £40 |
| Frame | 81 400 | 50.88 | 8.14 |
| Structural steel circular columns, beams, roof supports and bowstring trusses to single- and two-storey roofs (23.4 kg/m2) | | 1280 m2 @ | £46.70 |
| Glulam softwood tie beams and fixings along and across corridors | | 508m @ | £37 |
| Reinforced concrete columns to first-floor slab | | 6 m2 @ | £472 |
| Upper floors | 16 000 | 10 | 1.6 |
| 290 mm insitu reinforced concrete power-floated slab supported on reinfored concrete columns | | 320 m2 @ | £50 |
| Roof | 115 000 | 71.87 | 11.5 |
| Insulated, colour-coated double-skin metal barrel roof cladding with aluminium outer sheets and galvanised steel inner sheets to clerestory roof | | 460 m2 @ | £61 |
| Insulated, colour-coated double-skin metal roof cladding with aluminium outher sheets and galvanised steel inner sheets to 15° pitch | | 1007 m2 @ | £62.50 |
| Hardrow slates to 40° pitch on timber roof trusses to two-storey block including eaves ventilators | | 190 m2 (on plan) @ | £52.50 |
| Bauder VB4-AL flat roof system to gutters etc | | 33 m2 @ | £55 |
| Powder-coated aluminium-ribbon double-glazed rooflights to 40° pitch on two-storey block | | 20 m2 @ | £183 |
| Powder-coated aluminium rainwater gutters and down pipes | | 1600 m2 @ | £5.35 |
| Stairs | 9 040 | 5.65 | 0.9 |
| Precast concrete straight stair flight 1.45m wide x 4.725m going x 2.612 m rise including intermediate landing, beech treads and handrails and ceramic tiles to landings | | 4 @ | £1,975 |
| Galvanised mild steel companion ladder 600 mm wide x 2.625 m rise, including handrail and balustrade | | 1 @ | £1,140 |
| External walls | 41 600 | 26 | 4.16 |
| Medium quality handmade facing brick (PC £255/1000) 325 mm cavity wall with 140 mm block inner skin | | 340 m2 @ | £64 |
| Forticrete reconstructed stone-faced 360 mm cavity wall with 140 mm block inner and outer skins | | 77 m2 @ | £56.50 |
| 340 mm cavity wall with 100 mm block outer skin with two-coat external cement lime sand rendering, painted with masonry paint and 140 mm block inner skin | | 146 m2 @ | £45 |
| Timber-framed wall comprising softwood studding, 2 mm plywood sheeting and cladding, vapour barrier, 100 mm insulation and 18 x 80 mm Doublas fir weather-boarding, including lead flashings | | 116 m2 @ | £77 |
| Windows and external doors | 109 440 | 68.4 | 10.94 |
| Polyester powder-coated single-glazed fixed and opening light galvanised steel windows with 4 mm annealed or 6.5 mm laminated glass in softwood subframes | | 120 m2 @ | £255 |
| Polyester powder-coated single-glazed fixed and opening light galvanised steel windows with 4 mm annealed glass to clerestory lights | | 148 m2 @ | £217 |
| Polyester powder-coated single-glazed galvanised steel fixed light louvred entrance screen with laminated glass | | 36 m2 @ | £160 |
| Polyester powder-coated single-glazed steel entrance screens with double doors and laminated glass | | 50 m2 @ | £550 |
| Window control gear | | 40 @ | £11,000 |
| 65 mm framed, ledged and braced door, painted | | 5 @ | £330 |
| 44 mm half-glazed flush door, painted | | 1 @ | £380 |
| 57 mm panelled louvred door, painted | | 1 @ | £434 |
| Internal walls and partitions | 49 200 | 30.75 | 4.92 |
| Polyester powder-coated single-glazed galvanised steel screen with 4 mm annealed glass | | 15 m2 @ | £145 |
| Polyester powder-coated half-hour fire resistant galvanised steel screen or borrowed light with 6.5 mm Pyran glass | | 66 m2 @ | £290 |
| Polyester powder-coated half-hour fire resistant galvanised circular steel window ranging from 900 to 1800 mm diameter, glazed with 6.5 mm Pyran glass | | 10 m2 @ | £540 |
| 140 mm concrete block wall including movement joints and lintels | | 745 m2 @ | £12.50 |
| 140 mm fair-faced Forticrete solid reconstructured stone block wall including movement joints and lintels | | 75 m2 @ | £33 |
| Proprietary WC cubicles | | 5 @ | £440 |
| Sundry head restraints, isolated screens etc. | | £ | £8,500 |
| Internal doors | 46 800 | 29.25 | 4.68 |
| Plastic laminated flush doors, including ironmongery and painting: | | 2 500 m2 @ | £14 |
| half-hour fire resistant, in softwood frame | | 20 single @ | £500 |
| | | 5 pairs @ | £1,000 |
| one-hour fire resistant, in hardwood frame | | 4 single @ | £600 |
| | | | |
| half-hour fire resistant with vision panel, in softwood frame | | 8 single @ | £625 |
| | | 6 pairs @ | £1,200 |
| Plastic laminated flush sliding door in lining | | 4 @ | £1,225 |
| Zinc-coated steel rotary dark room door | | 1 @ | £1,100 |
| Polyester powder-coated galvanised steel single-glazed half-hour fire resistant doors and associated screens, including ironmongery | | 32 m2 @ | £350 |
| Wall finishes | 22 400 | 14 | 2.24 |
| 13 mm gypsum plaster finish on cement lime sand undercoat to walls, including one mist and two coats of emulsion paint | | 2167 m2 @ | £7.10 |
| 12.5 mm wallboard and skim coat including one mist and two coats of emlsion paint | | 82 m2 @ | £10.50 |
| 152 x 152 x 5.5 mm ceramic wall tiles on backing | | £278 m2 @ | £21 |
| One mist and two coats of emulsion paint on fair-faced blockwork | | 54 m2 @ | £2 |
| Two coats of masonry paint on fiar-faced blockwork | | 30 m2 @ | £7 |
| Floor finishes | 26 800 | 16.75 | 2.68 |
| 2 mm vinyl sheet coverings and skirting on power-floated concrete finish | | 896 m2 @ | £15.25 |
| 152 x 152 x 12.5 mm ceramic tiles and skirtings on and including screed | | 156 m2 @ | £39 |
| Heuga Vortex 625 carpet tiles glued on power-floated concrete finish | | 267 m2 @ | £10 |
| 25 x 69 mm softwood painted skirtings | | 145 m @ | £2.75 |
| Sundry screeds to slope floor coverings and edge trims etc | | 315 m2 @ | £2 150 |
| Two coats of Sikafloor 65 floor paint on concrete | | 189 m2 @ | £7.50 |
| Entrance matting | | 13 m2 @ | £32 |
| Ceiling finishes | 9 120 | 5.7 | 0.91 |
| 9.5 mm plasterboard and skim coat to ceilings, including one mist and two coats of emulsion paint | | 372 m2 @ | £9 |
| 13 mm gypsum plaster finish on cement lime sand undercoat to ceilings including one mist and two coats of emulsion paint | | 176 m2 @ | £7.20 |
| 12.5 mm wallboard and skim coat to ceilings, including one mist and two coats of emulsion paint | | 21 m2 @ | £8.20 |
| Sundry timber framing | | Item @ | £1 000 |
| Cement lime and sand rendering on insulated metal lathing to external concrete soffit, including two coats of masonry paint | | 68 m2 @ | £49 |
| Fittings and furnishings | 48 000 | | |
| Fixed worktops, benches and equipment | | | |
| Sundry fittings and fixtures, including shelving, storage racking, cupboards etc | | | |
| Sanitary appliances | 16 000 | | |
| 2 cleaners' sinks, 11 basins, 20 sinks, 10 WC suites, 5 underbench sinks and 1 urinal, fountain and sundry other items | | | |
| Disposal installations | 6 160 | | |
| PVCu above ground drainage and laboratory waste and vent pipework | | | |
| Water installations | 16 000 | | |
| Hot and cold water installation in copper with cold water storage tanks | | | |
| Space heating and air treatment | 84 800 | | |
| Low temperature hot water modulated heatnig circuit serving high-level radiant panels and radiators in ancilary areas fed from plant room roof over the first floor | | | |
| Local extract ventilation system, fume and dust extract systems and fans from equipment | | | |
| Air-conditioning plant to computer room | | | |
| Heat source | 38 565 | | |
| Gas fired boilers with pumps, pressure gauges, and boiler flue system | | | |
| Electrical installation | 91 200 | | |
| Main switchboard, mains and sub-mains distribution, cable trays and conduits for all systems | | | |
| Lighting installation | | | |
| Emergency lighting | | | |
| Small power and wiring to specialist equipment | | | |
| Earthing and bonding | | | |
| Gas installation | 11 600 | | |
| Gas supplies to benches and equipment | | | |
| Protective installations | 1 600 | | |
| Security alarm | | | |
| Communications installations | 27 600 | | |
| Fire alarm | | | |
| Telephone wiring | | | |
| Data cabling | | | |
| Builder's work for services | 15 475 | | |
| Associated holes, sleeves, plant bases etc | | | |
| SUB TOTAL | 935 000 | | |
| PRELIMINARIES | | | |
| Contractor's management and staff, site accommodation and other preliminary items - allow 7%, say | 65 000 | | |
| TOTAL | 1 000 000 | | |
| OTHER BUILDINGS ON SAME SITE (INCLUDING PRELIMINARIES) | | | |
| 4300 m2 two-storey main teaching block | 2 666 000 | | |
| 1280 m2 one-storey science block | 868 000 | | |
| 1400 m2 one/two-storey music and drama block | 1 043 000 | | |
| 1760 m2 one-storey sports hall block | 1 223 000 | | |
| BUIILDING TOTAL | 6 800 000 | | |
| EXTERNAL WORKS* | 1 534 000 | | |
| (all qualifying for additional costs and including preliminaries, adjusted for a typical site - say @ 22.5%. External works for a 3 ha site, including site preparation, roads, car parks, paved areas, site fencing and boundary walls, landscaping, planting and site furniture - Allow £930 000 | | | |
| Drainage - allow £224 000 | | | |
| External services - allow £380 000 | | | |
| OVERALL CONSTRUCTION COST | 8 334 000 | | |
| *External works costs exclude the abnormal costs of approximately £325 000 for playing fields for a new school on a greenfield site. | | | |
