According to this link the rent is £60.
In British Monopoly, Old Kent Road costs £1, properties are part of the brown set and are the cheapest in the game. Players can purchase it when they land on the space, and it can be developed with houses and hotels to increase rent.
In Monopoly, the cost to get out of jail is 50.
In the game of Monopoly, the cost of each utility is 150.
Using the rules of the original game the cost of a house depends on the street and is as follows:Browns\Purples and Light Blues- £\$50Pinks and Oranges- £\$100Reds and Yellows- £\$150Greens and Dark blues- £\$200The current rules now price houses from £\$60 for Mediterannean Avenue/Old Kent Road and Baltic Avenue/Whitechapel Road to £\$400 for Boardwalk/Mayfair.
In Monopoly, the cost to unmortgage a property is the mortgage value plus an additional 10 of the mortgage value.
400 dollars
In Monopoly, it costs 50 of the property's value to sell houses.
In Monopoly, it costs half the mortgage value to unmortgage a property.
400 Dollars
300
$75
I don't know what you mean by generic Monopoly but you can get some Monopoly varieties for under $10. The original doesn't cost much more.