What £10 million buys you these days

If it costs £10 m to improve the entrance of Exeter St David’s railway station, how can it cost EDDC the same amount to build a new HQ in Honiton and refurbish Exmouth Town Hall?

http://www.exeterexpressandecho.co.uk/40m-transport-schemes-pipeline-bring-benefits/story-25812132-detail/story.html