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number below the maximum permitted number in Table 1 and to
assume that, if the "equivalent number" of persons (i.e., counting
each child under 10 years of age as half a person) occupying the
dwelling was less than this number, the dwelling would not be overcrowded
on the standard of Table II in the Act.
If the "equivalent number" of persons in a dwelling house was
equal to or in excess of the reduced permitted number and the
family was not definitely overcrowded on the standard of Table 1,
the case was considered doubtful and detailed room measurements
were obtained.
Statistical summary of the survey.
From the information obtained as a result of the survey, tables
were prepared showing the distribution of the families concerned
in relation to the size of the family and the size of the accommodation
occupied, in terms of the maximum number of persons
permitted to occupy the dwelling under the Act. The following
inset gives the information relating to the whole Borough.
The vertical columns of the table show the sizes of the rooms
occupied in terms of the maximum "equivalent number" of persons
who could be permitted to occupy the dwellings without causing
them to be overcrowded. In cases in which the floor areas of the
rooms in dwellings were ascertained it has been possible to determine
accurately the permitted numbers of persons in respect of the
dwellings. In other cases other calculations have been employed.
The horizontal divisions represent the sizes of the families in
terms of the "equivalent numbers" of persons occupying the
dwellings. In cases in which the ages of children were not ascertained,
a child under 10 years of age was counted as half a person.
The table, therefore, gives a picture of the housing conditions
(so far as density is concerned) of the families enumerated in
Lewisham at the time the survey was taken. The thick black
diagonal line in the table separates the overcrowded families from
those not overcrowded. The families recorded on the left of the
diagonal line are all overcrowded and the worst cases of overcrowding
are those farthest from the line. The families recorded to the right
of the line are families not overcrowded.
As a result of the Survey it was found that there were 1,057
families living in overcrowded conditions in Lewisham.
The extent to which the overcrowding is to be remedied by the
provision of new housing accommodation is arrived at by a calculation