case study When John and Poppy Collins in Worthing decided to add a conservatory to their south-facing bungalow living room, they had no idea of the effect it would have in the room. The conservatory was added in March and they were immediately aware of a drop in light levels in the living room. It seems to be a common misconception that adding a conservatory will some how increase light in the room that it’s attached to but the opposite is true. Adding a conservatory will actually reduce light to the adjacent room by at least 20%, more if it’s a triple-wall polycarbonate roof. But things were about to get for the Collins’ as the soon discovered that as they moved from spring to summer their conservatory was going to need sun-blinds to try and reduce the heat build-up. “With the new blinds

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