Cost model update: Small projects | Features

Primary schools
听	Total cost (£)	£/m2 (gifa)	%
Substructure	41,900	135.16	9.05
Roof	56,400	181.94	12.18
External walls	35,200	113.55	7.6
Windows,external doors	33,700	108.71	7.28
Internal walls/partitions	13,600	43.87	2.94
Internal doors	10,900	35.16	2.35
Wall finishes	16,100	51.94	3.48
Floor finishes	17,300	55.81	3.74
Ceiling finishes	11,000	35.48	2.38
Fixtures and fittings	21,400	69.03	4.62
Sanitary appliances	7,000	22.58	1.51
Disposal installations	6,200	20	1.34
Water installations	10,900	35.16	2.35
Space heating	40,300	130	8.7
Ventilation installation	5,600	18.06	1.21
Electrical installation	37,200	120	8.03
Gas services	1,900	6.13	0.41
Protective installations	1,200	3.87	0.26
Communication installations	13,800	44.52	2.98
Builder’s work	6,000	19.35	1.3
Preliminaries	75,500	243.55	16.3
Total building cost (based on gifa)	463,100	1,493.87	100

Primary healthcare centres
听	Total cost (£)	£/m2 (gifa)	%
Substructure	66,450	130.29	8.8
Roof	99,790	195.67	13.3
External walls, windows,doors	94,000	184.31	12.5
Internal walls and partitions	18,650	36.57	2.5
Internal doors	30,950	60.69	4.1
Wall finishes	19,800	38.82	2.6
Floor finishes	28,580	56.04	3.8
Ceiling finishes	17,580	34.47	2.3
Fixtures and fittings	35,650	69.9	4.7
Sanitary appliances	16,200	31.76	2.2
Disposal installations	7,650	15	1
Hot and cold water installations	15,750	30.88	2.1
Space heating	61,200	120	8.1
Ventilation installation	23,000	45.1	3.1
Electrical installation	52,530	103	7
Gas services	1,700	3.33	0.2
Protective installations	2,300	4.51	0.3
Communication installations	27,430	53.78	3.6
Specialist installation	5,500	10.78	0.7
Builder’s work in connection	5,000	9.8	0.7
Preliminaries	122,690	240.57	16.3
Total building cost (based on gifa)	752,400	1,475.29	100

Small industrial units
听	Total cost (£)	£/m2 (gifa)	%
Substructure	127,400	141.56	20.6
Frame and upper floors	65,350	72.61	10.6
Roof	67,680	75.2	11
External walls, windows and doors	132,140	146.82	21.4
Internal walls and partitions	36,500	40.56	5.9
Internal doors	3,300	3.67	0.5
Wall finishes	5,100	5.67	0.8
Floor finishes	900	1	0.1
Ceiling finishes	600	0.67	0.1
Sanitary appliances	6,000	6.67	1
Disposal installations	1,980	2.2	0.3
Hot and cold water installations	3,500	3.89	0.6
Electrical installation	34,300	38.11	5.6
Incoming services	16,000	17.78	2.6
Protective installations	990	1.10	0.2
Communication installations	9,900	11	1.6
Builder’s work	800	0.89	0.1
Preliminaries	105,060	116.73	17
Total building cost (based on gifa)	617,500	686.11	100

Cost model
Rates are for the South-east and should be adjusted for location using this table:	听
Inner London	1.09
Outer London	1.03
South-east	1.00
South-west	0.95
East Midlands	0.93
West Midlands	0.92
East Anglia	0.95
Yorkshire & Humberside	0.95
North-west	0.92
Scotland	0.99
Wales	0.92
Northern Ireland	0.75

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