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Costs

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Costs based on tender sum plus fit-out costs

SUBSTRUCTURE

FOUNDATION/SLABS £61.85/m2

Ground slab (175mm thick reinforced in-situ concrete slab); hardcore damp-proof membrane; reinforced concrete column bases; Vibrocompaction; reinforced concrete strip foundations

SUPERSTRUCTURE

FRAME £109.91/m2

Reinforced in-situ concrete columns; floor and roof slabs; architectural fair-face finish to columns and exposed floor slabs; upper floors included

ROOF £19.03/m2

Welded flat roofing membrane

STAIRCASES £3.90/m2

Reinforced concrete stairs; feature stair

EXTERNAL WALLS £374.72/m2

Structural glazing; composite cladding; Okalux glazing; revolving door and sliding glazed door; windows and external doors included

INTERNAL WALLS AND PARTITIONS £52.09/m2

Reinforced in-situ concrete walls; blockwork partitions; stud partitions; framed glazed walls

INTERNAL DOORS £11.63/m2

Flush veneered faced doors; rubber-faced doors with feature-shaped glazed vision panels

INTERNAL FINISHES

WALL FINISHES £14.39/m2

Wall panelling; emulsion finish to plaster; exposed concrete; ceramic tiling; themed WCs comprised of marble, mosaic tiling, stainless steel, backlit glass and polished timber

FLOOR FINISHES £50.36/m2

Raised access floors; American oak timber boarding; slates; carpet tiles; vinyl themed WCs comprised of mosaic tiling, stainless steel, terrazzo, timber boarding and glazed lit inserts

CEILING FINISHES £51.74/m2

Perforated metal suspended ceilings; exposed concrete; glass laminate; themed WCs comprised of mosaic tiling, stainless-steel tubes, suspended ceiling with back-lit glass, timber strips and plasterboard

FITTINGS AND FURNISHINGS

FURNITURE £15.07/m2

Reception desk; kitchen equipment; signage

SERVICES

SANITARY APPLIANCES £34.46/m2

Themed WCs comprised of WCs and wash-hand basins of vitreous clay, marble, glass and stainless steel.

SPACE HEATING/AIR TREATMENT £203.84/m2

(MECHANICAL SERVICES)

Gas installation; low-pressure hot water heating; chilled water; chilled beams displacement ventilation; WC ventilation; hot and cold water service; waste pipework; water and disposal installations

ELECTRICAL SERVICES £118.49/m2

Lighting and luminaires (including integral part of chilled beams); external lighting; escape lighting; fire alarms; small power distribution; cctv; data cabling; standby generator; protective and communications installations

LIFT AND CONVEYOR INSTALLATIONS £16.39/m2

Thirteen-person hydraulic lift and five-person hydraulic lift servicing three floors

BUILDERS' WORK IN CONNECTION £14.50/m2

Forming holes, chases, etc

PRELIMINARIES AND INSURANCES

PRELIMINARIES, OVERHEADS AND PROFIT £165.73/m2

Contractors' overheads and profit; site establishment and site supervision; architect and engineers' fees

EXTERNAL WORKS

LANDSCAPING, ANCILLARY BUILDINGS £385,600

Asphalt access roads and car parking bays (including green clippings to car-parking bays); boulders to front of glazed elevation; paving; general landscaping; drainage; substation

cost summary

Cost per m2 Per cent

(£) of total

SUBSTRUCTURE 61.85 4.69

SUPERSTRUCTURE

Frame 109.91 8.34

Roof 19.03 1.44

Staircases 3.90 0.30

External walls

(including windows, external doors) 374.72 28.43

Internal walls and partitions 52.09 3.95

Internal doors 11.63 0.88

GROUP ELEMENT TOTAL 571.28 43.34

INTERNAL FINISHES

Wall finishes 14.39 1.09

Floor finishes 50.36 3.82

Ceiling finishes 51.74 3.93

GROUP ELEMENT TOTAL 116.49 8.84

FITTINGS AND FURNISHINGS 15.07 1.15

SERVICES

Sanitary appliances 34.46 2.62

Services equipment, disposal installations, water installations, space heating, air treatment 203.84 15.46 Electrical services, protective and

communication installations 118.49 8.99

Lift and conveyor installations 16.39 1.24

Builders' work in connection 14.50 1.10

GROUP ELEMENT TOTAL 387.68 29.41

PRELIMINARIES 165.73 12.57

TOTAL 1318.10 100.00

Costs supplied by Peter Black of EC Harris

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