Preserving historic character while improving energy-efficiency The visualisations above highlight the spatial and architectural differences between the wall insulation options for the Pipe Factory retrofit. When evaluating these options, it’s essential to consider not only energy efficiency but also the quality of space each option provides. The “minimal touch” approach preserves exposed interior brick walls but would require more wall-mounted radiators. On the other hand, the «target EnerPHit» option offers the highest energy efficiency but will result in deeper window reveals, lower ceilings due to mechanical ventilation, and a loss of the delicate feeling of the space. The preferred solution strikes a balance: insulating most of the building with a product that preserves architectural details while leaving one floor with exposed brickwork. Breathable insulation will be applied to the internal face of external walls on portions of the ground, first, second, and third floors. This insulation will follow the contours of existing architectural features like steps, corbels, and bullnoses, allowing them to remain visible and preserving the building’s unique character and charm. The floor and roof will also be well-insulated, leading to significant improvements in energy efficiency, running costs, and thermal comfort. #odonnellbrown #odonnellbrownarchitects #glasgow #pipefactory #architecture #conservation #retrofit #sustainability #climatechange #heritage #restoration #drawing #architecturaldrawing