| Cost breakdown for four-court sports hall |
| | Element Csot (£) | Cost /m2 gfa (£) | % of total cost |
| Substructure | 60 800 | 50.67 | 8.1 |
| Foundations: isolated pad mass concrete foundations | | 20 nr @ | £400 |
| Ground slab: 150 mm thick reinforced insitu concrete bed, hardcore; damp-proof membrane; power-floated finish | | 1200 m2 @ | £44 |
| Frame | 50 600 | 42.17 | 6.7 |
| Grade 43A steel portal frame to roof to 18 x 8.25 m grid, based on 30 kg/m2 excluding sheeting rails and purlins | | 36 tonnes @ | £950 |
| Cold-rolled galvanaised steel roof pulins; 1.6m centres; 4.5 kg/m2 excluding average weight | | 4.2 tonnes @ | £1,300 |
| Cold-rolled galvanised steel sheeting rails; 1.6m centres; 5 kg/m average weight | | 4.6 tonnes @ | £1,300 |
| Decoration to steelwork | | 800 m2 @ | £5 |
| One-hour-rated intumescent paint to steelwork | | 32 m2 @ | £30 |
| Roof | 69 800 | 58.17 | 9.3 |
| Colour-coated galvanised-steel profiled roof cladding; pre-formed insulation; self-finished liner sheet; accessories | | 1440 m2 @ | £45 |
| Galvanised steel gutter; accessories | | 66 m @ | £75 |
| External walls | 59 000 | 49.17 | 7.9 |
| Wall cladding; colour-coated galvanised steel and insulation | | 984 m2 @ | £35 |
| 140 mm blockwork backing wall, fair face including casing to steelwork | | 984 m2 @ | £25 |
| Essential external doors | 19 500 | 16.25 | 2.6 |
| Aluminium double-glazed external entrance screen 3 x 2.75m on face including projecting canopy, internal lobby and two pairs of automatically opening doors; all ironmongery (8.25m2 overall) | | item @ | £15 000 |
| Allowance for emergency double-exit doors | | 5 nr @ | £900 |
| DIVISIONS/FINISHES/SERVICES | | | |
| Extra over shell for additional windows and rooflights | 11 700 | 9.75 | 1.6 |
| Aluminium-framed thermally broken external windows; sealed double-glazed units with body tinted outer pane; 30% opening lights | | 30 m2 @ | £250 |
| Aluminium double-glazed rooflights and trimming to openings over changing areas | | 12 m2 @ | £350 |
| Internal walls and partitions | 40 600 | 33.83 | 5.40% |
| 190 mm block division wall including ties at top and fire-stopping | | 250 m2 @ | £30 |
| 140 mm block partition | | 800 m2 @ | £22 |
| 100 mm block partition | | 400 m2 @ | £18 |
| WC cubicles | | 6 nr @ | £375 |
| Internal glazed screen between sports hall and reception | | 15 m2 @ | £400 |
| Internal doors | 26 200 | 21.83 | 3.5 |
| Flush doors: fire-rated, single-leaf 1 m clear width, solid-core, ply-faced; vertical vision panels, hardwood frames; decorations; ironmongery; complete | | 20 nr @ | £700 |
| Flush doors; fire-rated, double-leaf, 1.6 m clear width, solid-core, ply-face; vertical vision panels, hardwood frames; decorations; ironmongery, complete | | 6 nr @ | £1,200 |
| Extra over glazed screen for double door | | 1 nr @ | £1,400 |
| Timber sliding folding doors to hall stores | | 12 m2 @ | £250 |
| Internal viewing; access window to office | | 2 m2 @ | £300 |
| Wall finishes | 39 700 | 33.08 | 5.3 |
| Three coats emulsion paint to fair-faced block walls, including sealer | | 2200 m2 @ | £2.50 |
| 13 mm two-coat lightweight plaster; two coats emulsion paint to blockwork | | 650 m2 @ | £6.50 |
| Ceramic tiles; cement sand render backing to blockwork | | 750 m2 @ | £40 |
| Floor finishes | 63 900 | 53.25 | 8.50% |
| 22 mm Sylvasport premium semi-sprung beech strip flooring to sports hall | | 600 m2 @ | £60 |
| Line marking to beech flooring | | 600 m2 @ | £5 |
| 8 mm Mondoramflex flooring to fitness and training room | | 100 m2 @ | £67.50 |
| Anti-slip ceramic floor tiles to toilets, changing and showers | | 114 m2 @ | £60 |
| Floor gullies including channels | | 10 m @ | £120 |
| Floor paint to plant rooms | | 110 m2 @ | £4 |
| Non-slip vinyl sheeting to office areas | | 44 m2 @ | £28 |
| Carpeting to reception areas, corridors and so on | | 200 m2 @ | £30 |
| Hardwood skirtings to reception, corridors and so on | | 150 m @ | £10 |
| Coir matting and matwell to main entrance | | 8 m2 @ | £120 |
| Ceiling finishes | 6 100 | 5.08 | 0.8 |
| Suspended ceiling to reception and administration areas only; plasterboard decorated in concealed grid | | 204 m2 @ | £30 |
| Furniture and fittings | 37 000 | 30.83 | 4.9 |
| Sports hall equipment for a four-court hall - *not included in the construction costs of this model | | item @ | £25 000* |
| Other movable items of fitness and training equipment, vending machines, filtered water drinkers, and furniture and fittings to reception/cafe areas have been excluded from the model | | 630 m @ | £45 |
| Benching including hanging rails | | 24 m @ | £90 |
| Lockers | | 50 nr @ | £150 |
| Vanity units | | 5 m @ | £400 |
| Duct panelling to rear of WCs | | 13 m2 @ | £120 |
| Office worktop and two shelves | | 5 m @ | £100 |
| Mirrors to changing rooms | | 30 m2 @ | £100 |
| Composite safety mirror to fitness traning-room wall | | 25 m2 @ | £130 |
| Reception area desk, bar, hatch and so on | | item @ | £12 000 |
| Signage | | item @ | £1,400 |
| Notice boards, shelving, medical room fittings, sundry fittings and so on | | item @ | £3,600 |
| Sanitary fittings | 9 000 | 7.5 | 1.2 |
| WCs, urinals, washhand basins; showers and so on | | 30 nr @ | £300 |
| Services equipment | 5 000 | 4.17 | 0.7 |
| Kitchen/cafeteria/bar equipment | | item @ | £5 000 |
| Disposal installation | 8 300 | 6.92 | 1.1 |
| Rainwater disposal; cast iron downpipes and fittings | | 1200 m2 @ | £2.50 |
| Waste, soil and vent installation; PVCu pipework and fittings | | 30 nr @ | £175 |
| Water installations | 13 800 | 11.5 | 1.8 |
| Hot and col water service; distribution to WCs, changing areas, vending machines and so on | | 50 nr @ | £250 |
| Space heating and air treatment | 52 900 | 44.08 | 7.1 |
| Boilers, pumps, gas supply and so on | | item @ | £10 000 |
| Warm air heating to sports hall areas | | 600 m2 @ | £20 |
| Radiator heating to ancillary areas | | 540 m2 @ | £35 |
| Local ventilation to changing/fitness areas | | 1200 m2 @ | £10 |
| Electrical installations | 51 800 | 43.17 | 6.9 |
| Main switchgear and sub-mains | | item @ | £10 000 |
| Small power distribution | | 1200 m2 @ | £7.50 |
| Lighting and luminaires to sports hall areas | | 600 m2 @ | £25 |
| Lighting and luminarires to ancillary areas | | 540 m2 @ | £33 |
| Protective installations | 24 600 | 20.5 | 3.3 |
| Fire, smoke-detection, alarm and intruder alarm | | 1200 m2 @ | £8 |
| CCTV installation | | 1200 m2 @ | £10 |
| Lightning protection | | item @ | £3,000 |
| Communications installations | 8 400 | 7 | 1.1 |
| Public address and music systems | | 1200 m2 @ | £5 |
| Wireways for telephones and data | | 1200 m2 @ | £2 |
| Builder's work in connection | 5 000 | 4.17 | 0.7 |
| Forming holes, chases and so on, allow 3% | | item @ | £5 000 |
| Preliminaries and contingencies | 86 300 | 71.92 | 11.5 |
| Contractor's overheads, site establishment and site supervision, exlcuding design fees, allow 8% | | item @ | £53 100 |
| Design risk and contingency sum, allow 5% | | item @ | £33 200 |
| Total construction cost for basic model | 750 000 | 625 | 100 |
| | | | |
| Alternative element specifications | | | |
| | Net extra cost/saving £/m2 gfa | | |
| Shell/envelope | | | |
| Foundations: isolated-pad reinforced concrete foundations - 20 nr @ £1000 | 10 | | |
| Ground slab: 250 mm thick reinforced insitu concrete bed, hardcore; damp-proof membrane; power-floated finish - 1200 m2 @ £55 | 11 | | |
| Ground slab: 250 mm thick reinforced insitu concrete bed, underslab piling only; hardcore; damp-proof membrane; power-floated finish - 1200 m2 @ £85 | 41 | | |
| Column foundations and ground slab: 250 mm thick reinforced insitu concrete bed, fully piled columns; hardcore; damp-proof membrane; power-floated finish - 1200 m2 @ £140 | 89.3 | | |
| Grade 43A steel columns and curved cellular roof beams to sports hall roof only, based on 35 kg/m2 excluding purlin and side sheeting rails - 21 tonne @ £1100 | 5 | | |
| Grade 43A steel columns and latticed beams to sports hall roof only, based on 85 kg/m2 excluding side sheeting rails - 51 tonne @ £1200 | 34.5 | | |
| 0.9 mm pvf2 colour-coated aluminium double-skin stucco embossed standing-seam roofing curved to 50 m radius with white painted steel inner liner - 720 m2 @ £70 | 15 | | |
| Single-skin membrane on flat insulated metal roof decking - 650 m2 @ £75 | 16.3 | | |
| Clay pantiles on and including timber structure as sloping roof to perimeter ancillary areas (on plan) - 650 m2 @ £72 | -4.5 | | |
| Spanish slates on and including timber structure as sloping roof to perimeter ancillary areas (on plan) - 650 m2 @ £145 | 35 | | |
| Precast concrete upper floors to ancillary areas including supporting frame- 260 m2 @ £80 | 17.3 | | |
| Precast concrete main staircase including finishes and balustrades - 1 nr @ £10 000 | 8.3 | | |
| Precast concrete secodary staircase including finishes and balustrades - 1 nr @ £5000 | 4.2 | | |
| 1500 mm wide mid-height viewing gallery deck including structure, stores below, finishes and fron baustrade, and end staircase - 60 m2 @ £325 | 16.3 | | |
| Wall cladding: colour-coated aluminium, insulatin and inner liner tray - 984 m2 @ £65 | 4.1 | | |
| Facing brick/block external cavity wall; insulated - 984 m2 @ £75 | 12.3 | | |
| Wall cladding flat panel system: colour coated aluminium and insulation - 984 m2 @ £100 | 32.8 | | |
| Terracotta-faced cladding system on 140 mm block insulated inner skin - 984 m2 @ £300 | 196.8 | | |
| Double-glazed structural full-height glazing system - 984 m2 @ £400 | 278.8 | | |
| | | | |
| Divisions/services/finishes | | | |
| Double-glazed softwood clerestory windows (not generally recommended) - 100 m2 @ £300 | 20 | | |
| Softwood painted dado rails to plastered circulation areas (add £2.50/m for mastic pointing to fair-faced walls) - 150 m @ £11 | 1.4 | | |
| Spray paint on render - £15/m2 | - | | |
| Hard wall plaster to squash courts - £36/m2 | - | | |
| 25 mm laminated wall panelling - £42/m2 | - | | |
| Western Red Cedar wall panelling - £60/m2 | - | | |
| Epoxy resin flooring to plant and stores areas - 110 m2 @ £6 | 0.2 | | |
| Surfacing for internal tennis courts - £17.50/m2 | - | | |
| 6 mm vinyl sheet sports surface - 600 m2 @ £37.50 | -11.3 | | |
| Embossed spike-resistant vinyl sheet flooring for indoor cricket area - £48/m2 | - | | |
| Granwood flooring on and including floor screed - 600 m2 @ £47.50 | -6.3 | | |
| 22 mm beech strip flooring on 10 mm Pro-foam for dance areas, aerobics and so on - 600 m2 @ £55 | -2.5 | | |
| Granwood Gransprung elastic flooring - 600 m2 @ £57.50 | -1.3 | | |
| Gramline inlaid line markings for alls ports in hall - 600 m2 @ £17.25 | 6.1 | | |
| Electronically operated internal window blinds - £170/m2 | - | | |
| Bleacher, retractable seating, manual operation | - | | |
| - benches, no backs - £80/seat | - | | |
| - plastic seats with backs - £160/seat | - | | |
| Electric underfloor heating - 1200 m2 @ £35 | 9.3 | | |
| Ducted warm-air heating - 1200 m2 @ £80 | 54.3 | | |
| Full centrally ducted ventilation system - 1200 m2 @ £80 | 70 | | |
| Disabled persons' lifts for access to first floor, including lift pit, motor room and walls, item @ £32 500 | | | |
