How reliable are HS2 cost estimates?
Earlier this month, the cost of HS2’s proposed Washwood Heath rolling stock facility was officially estimated at £51 million (2nd quarter 2011 prices), i.e., less than half the cost of the (smaller) Calvert infrastructure depot.
|HS2 London – West Midlands cost estimate, January 2015 (source: HS2 Ltd)|
|Element||£m (2Q 2011)|
|1.0||Land and property||1.1||London Euston||579.82|
|1.5||West Midlands Metropolitan||315.50|
|3.0||Civil engineering||3.1||Cuttings and embankments||1309.00|
|3.5||Roads and pavings||391.91|
|5.0||Depots and stabling||5.1||Washwood Heath||51.01|
|5.3||Heathrow Express relocation||152.87|
|6.4||Electrical contact systems||162.62|
|6.6||Station and depot systems||192.31|
|7.0||On-network works||7.1||Civil engineering||0|
|7.2||Stations and depots||0|
|Gross point estimate||16171.01|
- Eurostar’s Temple Mills depot cost ‘up to’ £402 million, according to Lord Davies of Oldham (Hansard, 1 December 2004)
- Network Rail’s South Wales resignalling was estimated at £400 million in 2011
- the ‘Birmingham Gateway’ refresh of the existing New Street station was budgeted in excess of £600 million.