Leasowe - Landmarks - Solar School

Solar School

On Leasowe Road is the first building in the world to be heated entirely by solar energy. At 53.4°N, it is also the most northerly. The "Solar Campus" was formerly St George’s Secondary School http://www.st-georges-school.co.uk and was built in 1961 to the designs of Emslie Morgan, the Assistant Borough Architect, who spent a lifetime looking into ways of harnessing the sun’s rays. His research resulted in a matchbox like building with, on one side a drab, windowless façade and on the other 10,000 square feet (1,000 m2) of glass, a giant solar wall. The wall is built of glass leaves two feet apart. These draw the ultra violet rays from sunshine and bounce them around the walls of the classrooms. The walls become warm and heat the air. Hardly any warmth escapes through the school’s massively thick roof and walls covered with slabs of plastic foam. On the coldest days it is always 60 degrees Fahrenheit inside, and in summer the school is cooler than its more conventional neighbours, for panels inside the glass wall can be turned to deflect heat or absorb it.

Despite dire predictions about the lighting conditions inside the building, all of which proved unfounded, it succeeded. At the time there was no detailed explanation published about why it worked, but work it did, completely eradicating any need for heating. However, Morgan's design died with him, and it was many years before anyone else considered it of more than curiosity value. Similar designs are now being examined across the world.

In practice, the large convector ducts which direct the warmed air to the colder north side of the building are a major safety hazard, and fire breaks have had to be inserted to reduce or cut off the air flow. The result is that on sunny days the south, glazed side of the building reaches unbearable temperatures in excess of 40°C while for most of the time the unglazed north side never reaches a comfortable temperature nor receives much natural light.

A secondary, small single-pipe heating system was installed to give additional heating on cold winter days with very few hours of sunlight. The system is fuelled by oil, which was cheap at the time. Today, the secondary heating has to be used very often, and is very expensive.

The property is maintained by the Children & Young People's Department of the Metropolitan Borough of Wirral, which struggles to find the necessary revenue and capital to fully maintain this Grade II* listed building.

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