At CWP we manufacture joinery to your specifications and to comply with building regulations and conservation requirements. 


U value for windows and doors

The rules with regard to the thermal efficiency of windows and doors has been updated recently so all new windows and doors have to have a u value of a certain value which does vary depending on the type of building. Custom Wood Products can provide the calculated u value for windows and doors we manufacture.

From 2013 all new windows should be CE marked

This is a photo showing a CE mark label fitted to a window produced at CWP 












The following link provides some details as to the required thermal efficiency of windows and doors


Planning permission

The following link provides a guideline for what is permitted with regard to Windows, Doors, Porches, Conseratories etc...

Conservation Areas and Listed Buildings

We can manufacture joinery products to meet any aesthetic requirements.


Building Regulations for Staircases