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