Oak Sash Company provides CE-certified windows, doors and conservatories with qualified survey and installation services.
We are a FENSA-registered company and provide insurance-backed guarantees covering your deposit and installation.
Our aim is to bring customers the most environmentally friendly fenestration solutions.
According to scientific research,
'From the conceptual design and numerical analysis, it was found that the wood window frame performed better than uPVC and aluminium frames, thermally as well as environmentally. The carbon footprint of the aluminium window frame is almost four times higher than that of the wooden window frame. Also the PVC window frame is double that of the wooden window frame.'