Jersey 's government has revealed plans to set aside around £80 million a year to invest in capital infrastructure.
Ministers want to set up a dedicated fund, ringfencing money for planned projects over the next 25 years.
They include building thousands more homes, a new college in the centre of St Helier, improved road and water infrastructure and upgraded sports facilities.
If approved, the money would be siphoned off from next year and given legal protection against being spent elsewhere.
Jersey's Chief Minister, Deputy Lyndon Farnham, adds: "Sometimes ministers have taken money from the capital expenditure where it is not immediately noticed. Doing that for years has led to a situation where some of our infrastructure is starting to show its age.
"There's been no coordinated app