Project: Millennium Dome
Original estimated cost to Lottery: �399m in 1997
Final cost:Who knows? The new cash plea would put the Lottery contribution up to �578m. But will it stop there? In May, the Millennium Commission said its then hand-out would be the last.
OVER BUDGET BY: To be announced

Project: Scottish Parliament
Original estimated cost: �40m
Final cost: Capped at �195m
An independent architect was brought in to assess the cost of the scheme; ministers had been forced to admit they did not know how much the project was going to cost.
OVER BUDGET BY: �155m

Old ways of paying benefits slow but cheap

Project: Swipe cards for benefit claimants
Original estimated cost: �1bn
The whole scheme, which was going to be run jointly by the Department for Social Security and the Post Office, was scrapped in 1999. Last month the National Audit Office found "skimping" at the outset of the project had led to "vast delay and waste of money". It added: "Mistakes of this kind are made time and time again."
OVER BUDGET BY: Project scrapped

Project: Jubilee Line
Original estimated cost: �2.1bn, estimated in 1994
Final cost: �3.5bn
The final opening of the 10-mile extension was nearly two years late, but was fully open in time for its big night on Millennium Eve.
OVER BUDGET BY: �1.4bn

Project: Channel Tunnel
Original estimated cost:�4.8bn
Final cost: �10bn
The Channel Tunnel stands out among the huge building projects because it was financed with private money. This did not stop it being over-budget though, and developers had to wrangle several times with backers to get its funding increased.
OVER BUDGET BY: �5.2bn

Jubilee Line: Cost escalated

Project: New Air Traffic Control centre in Swanwick, Hampshire
Original estimated cost: �350m
Final cost: �623m
The new computerised centre was due to open in 1996, but this has now been delayed until 2002. An independent audit last year found 1,400 bugs in the system, but by last month this had been reduced to 200.
OVER BUDGET BY: �273m

Project: Defence purchasing
Original estimated cost: �35.4bn
Final cost: �38.3bn
This figure includes the cost of the Eurofighter, which ALONE is �1.5bn over budget. But a report by the National Audit Office found that not only were the Ministry of Defence's top 25 procurement projects over budget, they were 43 months late.
OVER BUDGET BY: �2.9bn