Cost model: Britain's schools | Features

Capital expenditure allocations in the 2000 comprehensive spending review
Year	拢尘
2000/1	2232
2001/2	2512
2002/3	3012
2003/4	3812

Regional variation
Inner London	1.08
Outer London	1.02
South West	0.95
East Midlands	0.92
West Midlands	0.93
East Anglia	0.93
Yorkshire & Humberside	0.88
North West	0.92
North	0.91
Scotland	0.89
Wales	0.87
Northern Ireland	0.79

Summary costs of secondary schools and colleges
	Average (拢/m2 gifa)	Low range (拢/m2 gifa)	High range (拢/m2 gifa)
Classroom blocks	875	605	1100
Laboratories	900	745	1150
Craft, design and technology	920	720	1130
Music	1140	750	1570
Sixth-form/tertiary	930	690	1185
All secondary schools and colleges	915	650	1160

School science block cost breakdown
	element cost (拢)	cost/m2 gfa (拢)	% of total cost
Substructure	112,500	77.05	8.16
Reinforced insitu concrete ground beams and suspended slab; vapour barrier; hardcore, excavation and disposal 520 m2 @ 140	听	听	听
CFA piling; average 15m deep; testing; trimming pile tops 65 @ 610	听	听	听
Frame	103,900	71.16	7.54
Structural steel frame; standard and cellular beam sections; based on allowance of 50kg/m2; erection 74 @ 1100	听	听	听
Intumescent paint, one-hour fire resistance 1500 m2 @ 15	听	听	听
Upper floors	41,400	28.36	3.00
Composite construction; 140 thick reinforced concrete on metal deck; power floating听940 m2 @ 44	听	听	听
Roof	66,400	45.48	4.82
Galvanized steel roofing; low pitch; vapour barrier, insulation, secret fixings, plastisol coating; including allowances for edges, eaves and gutters; 2 access hatches听540 m2 @ 96	听	听	听
Single layer PVCu roofing; membrane; insulation; metal deck; boundary work and gutters听80 m2 @ 110	听	听	听
Mansafe system听Item @ 5800	听	听	听
Stairs	22,700	15.55	1.65
Contractor designed precast concrete stairs and	听	听	听
4 @ 2800	听	听	听
Balustrades; 1.1m average high; galvanized steel half landings; 3.4m rise	听	听	听
balustrade and handrail 43 m @ 165	听	听	听
Handrails; galvanized steel 40 m @ 110	听	听	听
External walls	89,200	61.10	6.47
Cavity wall construction; facing brick; fair face blockwork; dpcs; insulation; allowance for sills and lintels 750 m2 @ 90	听	听	听
Metal cladding; colour-coated profiled sheet, insulation and liner panel, cladding rails and blockwork听65 m2 @ 180	听	听	听
Allowance for abutments, edge details and copings Item @ 10,000	听	听	听
Windows and external doors	94,300	64.59	6.84
Proprietary aluminium framed, double-glazed windows; powder-coated finish听95 m2 @ 300	听	听	听
Curtain walling; aluminium framed stick system with sealed double-glazed units听160 m2 @ 320	听	听	听
Extra for sloping curtain walling听Item @ 3000	听	听	听
Entrance door; aluminium framed glazed door; automatic operation听1 @ 5000	听	听	听
External doors; aluminium framed; polyester-coated; to match windows听4 @ 1650	听	听	听
Internal walls and partitions	31,900	21.85	2.31
Partitions; 100 solid/hollow facing blockwork (average rate) 1225 m2 @ 25	听	听	听
Cubicle partitions; laminated plastics听3 @ 440	听	听	听
Internal doors	33,600	23.01	2.44
Flush doors; solid core; paint grade; vision panels; softwood frame; 30/30 fire resistance; stainless steel door furniture; decorations听56 @ 500	听	听	听
Extra for; glazed side panels听17 @ 330	听	听	听
Wall finishes	20,600	14.11	1.49
Dry lining; column encasement听Item @ 3000	听	听	听
Ceramic tiles; full height in WCs, allowance in laboratories 215 m2 @ 40	听	听	听
Painting blockwork; 1 mist, 3 full coats emulsion paint 3000 m2 @ 3	听	听	听
Floor finishes	52,600	36.03	3.82
Carpet; to general areas; levelling screed听600 m2 @ 22	听	听	听
Sheet flooring; linoleum to corridors听160 m2 @ 22	听	听	听
Sheet flooring; high quality vinyl sheet听560 m2 @ 35	听	听	听
Rubber flooring; to stairwells; nosings听140 m2 @ 44	听	听	听
Softwood skirting听900 m @ 9	听	听	听
Allowance for entrance barrier matting听Item @ 2000	听	听	听
Ceiling finishes	23,500	16.10	1.71
Suspended ceilings; resin bonded glasswool tile; exposed grid听950 m2 @ 22	听	听	听
Painting to soffits; generally听510 m2 @ 5	听	听	听
Furniture and fittings	95,000	65.07	6.89
Fixed furniture and equipment; whiteboards and pinboards; worktops in steel, laminate and acrylic; specialist workstations; racking and storage; fume cupboard; laboratory sinks and accessories; gas outlets and socket outlets Item @ 90,000	听	听	听
Window boards听Item @ 3000	听	听	听
Statutory and orientation signage听Item @ 2000	听	听	听
Sanitary fittings	13,400	9.18	0.97
WCs, urinals, washhand basins, fittings; cleaners鈥� sinks; complete (average rate)听7 @ 280	听	听	听
Extra for, fittings for disabled WCs听2 @ 400	听	听	听
Allowance for access panels听Item @ 3000	听	听	听
Hand dryers听Item @ 2000	听	听	听
Disposal installations	14,600	10.00	1.06
Waste, soil and vent installation; PVCu pipework and fittings 1460 m2 @ 10	听	听	听
Water installations	32,100	21.99	2.33
Mains water; cold water storage and distribution, hot water calorifier, pumps and distribution pipework; including distribution to laboratories听1460 m2 @ 22	听	听	听
Space heating and air treatment	120,800	82.74	8.77
Heating installation; gas supply, heat source; LPHW distribution; radiators, mild steel pipework听1460 m2 @ 30	听	听	听
Localised comfort cooling; heat pump, installation to computer suite听Item @ 12,000	听	听	听
Supply and extract installation to laboratories and classrooms Item @ 54,000	听	听	听
Toilet extract installation听Item @ 6000	听	听	听
Dust extract installation听Item @ 5000	听	听	听
Electrical installations	103,700	71.03	7.53
Mains and sub-mains installation听1460 m2 @ 16	听	听	听
Small power installation听1460 m2 @ 18	听	听	听
Lighting and general luminaires; emergency lighting 1460 m2 @ 35	听	听	听
Power supply installation to mechanical equipment Item @ 3000	听	听	听
Gas installation	9000	6.16	0.65
Laboratory gas supply; terminals included in fixed furniture and fittings (120 points)听Item @ 9000	听	听	听
Lift installation	30,000	20.55	2.18
4 person electro-hydraulic lift serving 3 floors; 0.4 m/s Item @ 30,000	听	听	听
Protective installations	1700	1.16	0.12
Lightning protection; earthing and bonding听Item @ 1700	听	听	听
Communications installation	47,800	32.74	3.47
Fire alarm installation; smoke detectors; call points 1640 m2 @ 12	听	听	听
Disabled alarm听Item @ 600	听	听	听
Telephone and data wireways; Cat 5E data wiring Item @ 12,500	听	听	听
Security installation; intruder detection, CCTV, etc Item @ 15,000	听	听	听
Special installations	23,300	15.96	1.69
黑洞社区 management system听1640 m2 @ 12	听	听	听
Compressed air installation (20 points)听Item @ 3600	听	听	听
Builder's work in connection	11,900	8.15	0.86
Forming holes, chases, etc听Allow 3%听Item @ 11,900	听	听	听
Preliminaries and contingencies	182,100	124.73	13.22
Testing and commissioning of services; record drawings Item @ 2500	听	听	听
Management costs, site establishment and site supervision	听	听	听
Allow 10%听Item @ 119,600	听	听	听
Contingency sum听Allow 5%听Item @ 60,000	听	听	听
Total construction cost 鈥� building only	1,378,000	943.85	100

School craft, design and technology block
	element cost (拢)	cost/m2 gfa (拢)	% of total cost
Substructure	65,700	65.05	6.04
Reinforced insitu concrete foundations and ground slab, including service trench; vapour barrier; hardcore, excavation and disposal听885 m2 @ 62	听	听	听
Precast concrete flooring; beam and block decking; over service trench; 150 thick听40 m2 @21	听	听	听
Masonry work below dpc; blockwork and facing brickwork Item @ 10,000	听	听	听
Frame	63,100	62.48	5.80
Structural steel frame; standard sections; based on allowance of 30 kg/m2; erection听28 t @1100	听	听	听
Intumescent paint, one-hour fire resistance听600 m2 @ 15	听	听	听
Glulam beams; curved rafters; purlins; finishes (average rate) 375 m @ 62	听	听	听
Upper floors	6000	5.94	0.55
Mezzanine deck; precast, prestressed concrete floor units; 150 thick听125 m2 @ 48	听	听	听
Roof	146,100	144.65	13.43
Standing seam aluminium roofing; structural deck, vapour barrier, insulation, roof sheet; including boundary work and gutters; paint finish to soffit 1090 m2 @ 114	听	听	听
Single-layer PVCu roofing; membrane; insulation; plywood; boundary work and rainwater outlets 110 m2 @ 100	听	听	听
Rooflights; sunpipe tubing; 800 long听7 @ 830	听	听	听
Mansafe system听Item @ 5000	听	听	听
Stairs	8500	8.42	0.78
Steel framed stair with hardwood treads and landings; 3.3 m rise in three flights听Item @ 2500	听	听	听
Balustrades; 1.1 m average high ; galvanized steel balustrade and handrail听50 m @ 120	听	听	听
External walls	69,000	68.32	6.35
Cavity wall construction forming plinth; facing brickwork Item @ 1000	听	听	听
Cavity wall construction; two leaves blockwork, insulation, sand cement render听35 m2 @ 90	听	听	听
Timber cladding; ship-lapped western red cedar; breather membrane, battens, cladding rails, insulation, blockwork backing wall; including boundary work 360 m2 @ 180	听	听	听
Windows and external doors	109,200	108.12	10.04
Proprietary aluminium framed, double-glazed windows, doors and solid aluminium faced panels; powder-coated finish 325 m2 @ 300	听	听	听
Extra for operating gear to clerestory windows听Item @ 3000	听	听	听
External doors; Cedar board finished flush doors to match cladding; ironmongery听8 @ 1090	听	听	听
Internal walls and partitions	37,500	37.13	3.45
Partitions; 100/140 blockwork (average rate)听630 m2 @ 25	听	听	听
Glazed screens; powder-coated aluminium frames; double-glazed units; radiused head听52 m2 @ 270	听	听	听
Allowance for small areas of panelling, partitions and trims generally听Item @ 6500	听	听	听
Cubicle partitions; laminated plastics听3 @ 400	听	听	听
Internal doors	14,600	14.46	1.34
Flush doors; laminate faced solid core; vision panels; softwood frame; 30/30 fire resistance; stainless steel door furniture; decorations听28 @ 500	听	听	听
Extra for; glazed side panels听6 @ 100	听	听	听
Wall finishes	21,300	21.09	1.96
Dry lining; column encasement听Item @ 1000	听	听	听
2 coat plasterwork听1450 m2 @ 10	听	听	听
Ceramic tiles; full height in WCs, allowance in laboratories 20 m2 @ 40	听	听	听
Painting blockwork; 1 mist, 3 full coats emulsion paint 1650 m2 @ 3	听	听	听
Floor finishes	42,800	42.38	3.94
Allowance for access floor to service trench听Item @ 3000	听	听	听
Floor substrate for underfloor heating; 70 thick sand cement screed, insulation and fabric reinforcement 805 m2 @ 10	听	听	听
Sand cement screed to service trench听80 m2 @ 17	听	听	听
Ceramic tiling; skirting听110 m2 @ 40	听	听	听
Vinyl sheet; skirting听525 m2 @ 29	听	听	听
Carpet; painted softwood skirting听345 m2 @ 24	听	听	听
Allowance for entrance mats听Item @ 2500	听	听	听
Ceiling finishes	8300	8.22	0.76
Plasterboard ceiling; skim coat and emulsion听240 m2 @ 18	听	听	听
Soffit linings to clerestory windows听Item @ 4000	听	听	听
Furniture and fittings	91,000	90.10	8.37
Fixed furniture and equipment; whiteboards and pinboards; worktops in laminate-faced MDF and Iroko; cupboards, racking and shelving听Item @ 83,000	听	听	听
Window boards听Item @ 6000	听	听	听
Statutory and orientation signage听Item @ 2000	听	听	听
Sanitary fittings	18,100	17.92	1.66
WCs, urinals, washhand basins, fittings; cleaners' sinks; complete (average rate)听14@250	听	听	听
Stainless steel sinks in teaching areas听15@460	听	听	听
Extra for, fittings for disabled WCs听1@400	听	听	听
Allowance for pre-plumbed panel lining system听Item@7300	听	听	听
Disposal installations	20,200	20.00	1.86
Waste, soil and vent installation; PVCu pipework and fittings 1010 m2 @ 20	听	听	听
Water installations	22,200	21.98	2.04
Mains water; cold water storage and distribution, hot water calorifier, pumps and distribution pipework; including distribution to laboratories听1010 m2 @ 22	听	听	听
Space heating and air treatment	53,900	53.37	4.96
Heating installation; gas supply, heat source; LPHW distribution, mild steel pipework, connections to underfloor heating system听1010 m2 @ 23	听	听	听
Extra for; underfloor heating distribution听755 m2 @ 30	听	听	听
Extract installation generally听Item @ 8000	听	听	听
Electrical installations	88,600	87.72	8.15
Mains and sub-mains installation听1010 m2 @ 14	听	听	听
Small power installation听1010 m2 @ 30	听	听	听
Lighting and general luminaires; emergency lighting 1010 m2 @ 35	听	听	听
Power supply installation to workshop equipment Item @ 7300	听	听	听
Power supply installation to mechanical equipment Item @ 1500	听	听	听
Gas installation	2000	1.98	0.19
Teaching equipment gas supply听Item @ 2000	听	听	听
Protective installations	3,700	3.66	0.34
Lightning protection; earthing and bonding听Item@3700	听	听	听
Communications installation	31,100	30.79	2.86
Fire alarm installation; smoke detectors; call points 1010m2 @ 12	听	听	听
Class change bell听Item @ 1000	听	听	听
Telephone and data wireways; internal telephone system Item @ 11,000	听	听	听
Security installation; intruder detection, CCTV etc听Item @ 7000	听	听	听
Special installations	13,100	12.97	1.20
黑洞社区 management system听1010 m2 @ 8	听	听	听
Oxyacetylene installation听 Item @ 5000	听	听	听
Builder's work in connection	7600	7.52	0.70
Forming holes, chases, etc听Allow 3%听Item @ 7600	听	听	听
Preliminaries and contingencies	143,900	142.48	13.23
Testing and commissioning of services; record drawings Item @ 2500	听	听	听
Management costs, site establishment and site supervision Allow 10%听Item @ 94,400	听	听	听
Contingency sum听Allow 5%听Item @ 47,000	听	听	听
Total construction cost 鈥� building only	1,087,500	1076.75	100

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