Cost model: Car parks | Features

Indicative costs
Maximum and minimum costs	Unit size m2/car		Unit cost £/m2		Unit cost £/space
Surface	20	22	50	80	1,000	1,750
Surface landscaped	20	25	75	125	1,700	3,000
Multistorey flat slab	22	28	340	570	9,000	15,000
Multistorey split level	24	32	310	540	9,500	16,500
Multistorey ramped	24	32	350	500	9,500	15,000
Semi-basement	27	30	460	550	12,500	16,500
Basement with mechanical ventilation	28	34	800	1,500	23,000	40,000

Regional weightings
Inner London	1.06
South-east	0.97
South-west	0.92
East Midlands	0.9
West Midlands	0.89
East Anglia	0.92
Yorkshire and Humberside	0.92
North West	0.89
Northern	0.96
Scotland	0.96
Wales	0.89
Northern Ireland	0.73
The cost breakdown is based on price levels current in outer London and should be adjusted by the following location factors for other regions