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Breakdown of costs for 10 terraced houses
Element	Current cost (£) (UK mean location) (prelims spread)
Substructure	108,128
Upper floors	53,464
Roof	42,957
Stairs	8146
External walls	91,993
Windows and external doors	17,483
Internal walls and partitions	39,592
Internal doors	16,200
Superstructure	269,835
Wall finishes	25,368
Floor finishes	18,964
Ceiling finishes	13,579
Internal finishes	57,910
Fittings	10,992
Sanitary appliances	3,891
Space heating and air treatment	66,282
Electrical installations	19,299
Builder's work in connection	870
Services	90,341
Building sub-total	537,206
Site works	100,573
External services	22,311
Minor building works	48,373
External works	171,257
Total (less contingencies)	708,463
Contingencies	12,441
Contract sum	720,905
Source: BCIS

Details of the scheme
Job title	10 terraced houses
Type of work	New build
Building function	Terraced estate housing
Main form of construction	Brick construction
Project	10 two-storey terraced houses in a single terrace, plus external works including roads, landscaping, services, bin stores and sheds.
Accommodation and design	Two-storey terrace of six two-bedroom (four-person) and four three-bedroom (five-person) houses.
Dates	Costs adjusted to Q2 2005
Location	Costs adjusted to UK mean location
Site description	Gently sloping infill site with good ground conditions. Excavation above water table. Restricted working space and access.
Type of contract	JCT with contractor’s design 1998
Cost fluctuations	Fixed
Procurement	Design and build
Client type	Developer
Contract period
Stipulated by client	10 calendar months
Agreed	10 calendar months
Size
Gross internal floor area	779 m2
Primary number of storeys	2
Number of units	10
Average area per unit	78 m2
Gross area
Ground	390 m2
Upper	389 m2
Functional units
No bedrooms	24
No of persons	44
Source: BCIS