Galliford Try approached us, wanting to ensure that a residential development they were constructing with non-residential communal spaces did not pose a risk of overheating to future residents. Solar glazing control had already been incorporated into the fenestration strategy, to mitigate the risk of the development overheating; however, the company also wanted to run a calculation in line with CIBSE TM52 and TM59, to ensure that both residential and non-residential parts of the building had been suitably protected from a solar gain.

Following some collaboration with Galliford Try, we came up with an innovative approach: an elevation-specific glazing specification. This would ensure that elevations at risk of overheating would have an appropriate level of solar control, and elevations not at risk of excessive solar gain could utilise a more relaxed glazing specification to encourage heat gains.
This elevation-specific solar glazing approach brought the following benefits to the building design:

  1. Elevations with a potential high solar gain would not end up overheated, with uncomfortable internal temperatures.
  2. For elevations where overheating was not an issue, solar gain was encouraged.

By approaching solar gain individually for different elevations, the building has been designed to function more energy efficiently, and Galliford Try have been able to avoid over-specifying solar shading in the building’s fenestration strategy.

According to Galliford Try: Darren Evans have played a significant part in the success of this business unit in the south west.

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