From the photos, it's difficult to identify the specific origin of these doors, as there are many doors that could have a similar design. However, the fact that they are unique in that they can be locked twice with different keys suggests that they were used in a specific context, possibly in an institution or government building.
It's possible that the doors were custom-made for a specific purpose, and therefore may not have been mass-produced. The fact that they came with original architraves could indicate that they were considered valuable and were carefully salvaged.
If you haven't found any definitive information about the origin of the doors, it may be worth consulting with an expert in antique doors or architectural salvage or
emergency locksmith Ealing. They may be able to provide more insight into the design and construction of the doors, as well as possible sources or manufacturers.
It's also worth noting that there may be some historical records or archives that could provide more information about the building or institution where the doors originally came from. Local historical societies or archives may be able to provide some assistance in this regard.
Overall, without more specific information or documentation, it may be difficult to determine the exact origin and history of these doors.
