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As in the rest of the Netherlands the population of Wieringen is ageing. While in
the Netherlands population growth came to a halt, Wieringen's population even decreased
compared with the 1990's levels. An explanation is the under representation of young
people in the local population. Many of them have left Wieringen for school and /
or work, two things that are hard to find on Wieringen itself. People who come to
Wieringen are mostly pensioners who want to spend old age in the place where they
were born. All of this led to 4 out of 7 elementary schools closing or merging with
other schools.
ecause
of this there is no real demand for houses on Wieringen. There are sufficient houses
to house all inhabitants, there is only a shortage of special, adapted houses for
the elderly. There are no large buildingplans at the moment, work is in particularly
dedicated to upgrade or replace the existing houses.
The older houseblocks of just after the second Worldwar are renovated to make them
more energy efficient: insulation of walls and windows, solarheating and solarcells
where possible. For many buildings such investments are a waste of money, because
they have become obsolete: people do not want to live in them any more. Demolition
and replacement by modern houses is the only solution. These modern houses are oriented
on the south, dug in, equipped with solarenergy collecting roofs and are built from
the debris of the old houses (as far as this is possible ofcourse). Because new houses
have to comply with newer, different requirements there can be fewer houses built
on the same spot.
To use the available space as efficiently as possible (so that
not the whole of Wieringen is filled with houses), new ways of building more houses
on a small area are tried. (see photo below). The leftover debris is broken into
small pieces and then used as fillingmaterial under roads.
Typical
new style housingblock
Concrete is used less nowadays in comparison with
20 years ago. Concrete can not easily be recycled. Instead steel frameworks are now
being used. Between the frameworks the brick walls are erected. When such a house
is demolished the steel can relatively easy be removed and melted to make new steel.