Selectaglaze secondary glazing

Selectaglaze secondary glazing specified for Grade II school

  • 8 Jan 2016

Selectaglaze’s secondary glazing has been specified to create an energy efficient environment at London’s Francis Holland School.

Bordering London’s royal Regent’s Park, Francis Holland School is an independent girl’s school, which was founded in 1878.

Over the years, the Grade II Listed building, which was originally purpose-built, has been renovated and extended to accommodate the changing needs for contemporary education. In 2005, for instance, the school bought a nearby pub with the intention of converting it into extra classrooms.

Selectaglaze secondary glazing solution

The school suffered from draughty, timeworn windows, which were consequential of its age. The original secondary glazing allowed external noise to enter the building, disrupting students and teachers; a quieter and warmer learning environment was required.

Working in conjunction with Daniel Watney’s building consultancy team, Selectaglaze specified a secondary glazing solution to tackle this.

35 secondary glazed units were supplied in a variety of styles, including the company’s new series 15 horizontal sliding unit, which has been designed for larger windows.

Selectaglaze’s 6mm toughed low-E glass was installed to the internal side of the existing primary glazing, creating a gap of at least 100mm between the two. This ensured the reduction of sound levels to around 45dB.

Following the installation, the thermal retention of the school improved dramatically; the U-value has successfully been enhanced to around 1.95.


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Hatfield Road,
St. Albans,

Phone: 01727 837271
Fax: 01727 844053

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