The Window Doctor ~ High Quality UPVC Windows, Doors and Conservatories in Castleford, West Yorkshire. Established in 1987 we are specialists in domestic and commercial window replacement and repair. Naturally we're also skilled in replacement doors, and conservatory design and installation. You can be certain that The Window Doctor is able to prescribe the cure that your home needs! The Window Doctor ~ Providing the Highest Build Quality around. All of our parts and products are sourced from the best manufacturers around and are all provide with at least a five year guarantee. We want your to feel safe and secure aswell as warm and comfortable. To this end we ensure that we use very latest high-security locking systems. The Window Doctor ~ Perfect In Every Detail Obviousley the build quality is not what you are going to be looking at 24/7 so aswell as being sturdy and reliable our doors, windows and conservatories are available with a wide selection of finishing touches. As well as traditional look doors and windows we can provide traditionally handcrafted stained glass as well as decorative beading.