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FIG. 6.—Diagram showing similar areas, each of 10 acres, developed with a larger or smaller number of houses to the acre, together with the cost of development. The land in both cases is assumed to be worth £500 per acre, apart from the cost of roads. The roads are taken as costing, by the time they are taken over by the local authorities, £7. 5s. per lineal yard. The back roads in Scheme I. are taken as costing £1 per lineal yard. In the lower part of the diagram the effect on each individual acre is illustrated, showing how rapidly the land available for garden ground for each house diminishes with the increasing numbers of houses and also, to a larger scale, the relative size of house and garden plot in each of the two schemes.
