Special costs: Office fit-out | Features

Typical category A (developer’s finish) benchmark costs
Description	Higher range (£/ft2)	Lower range (£/ft2)
Wall finishes	1.00	0.80
Raised floor	3.50	3.00
Floor coverings	3.00	2.50
Suspended ceilings	4.50	4.00
Fittings and furnishings	0.50	0.30
Mechanical installations	12.00	10.50
Electrical installations	6.00	5.00
Builders’ work	0.50	0.35
Subtotal	31.00	26.15
Main preliminaries	2.48	2.00
Contingency @ 5%	1.67	1.37
Total category A cost	35.15	29.52

Tenant’s fit-out (from shell and core)
The requirements of the office fit-out client differ in terms of cost and programme more than in other sectors in the construction industry. The diversity of business structures leads to wide ranges in construction costs, which has been reflected below.
Indicative fit-out costs by sector
Business sector	£/ft2
Banks	75-140
Solicitors	90-125
Corporate	75-115
Indicative construction cost for space types
Space type	£/ft2
Open-plan offices	30-60
Cellular offices	40-100
Client dining	130-190
Meeting rooms	60-90
Training	40-65
Reception	120-185
Dealing	75-95
Catering	125-175
Information technology equipment rooms	250-625
Conference	65-115
Support, storage, maintenance and plant areas	50-75

Typical office fit-out benchmark costs (120,000 ft2)
Description	£
Strip out and alterations	excluded
Shell and core	excluded
Fit-out building works
Floors and floor finishes	444,000
Ceiling and ceiling finishes	300,000
Wall and wall finishes	2,742,000
Doors	642,000
Fixtures and fittings	1,248,000
Catering	546,000
Mechanical and electrical services	3,150,000
Sub-section total	9,072,000
Contractor on-costs
Contingency @ 5%	453,600
Preliminaries @ 12%	1,143,072
Overheads and profit @ 4%	426,747
Sub-section total	11,095,419
Client equipment (direct purchase)	excluded
Total	11,095,419