I should not be.
But it seems the leakage of heat is as much in the corners (no insulation?) as it is the windows. The next step is to find a cavity wall filler who can fix it.
This was taken using a £150 flickr camera that attaches to my phone.
If you are looking at stopping heat loss, I know think its worth it. I have not looked closely at each window, this was an initial big sweep, but it seems particularly bad near the eves, by the chimney (No fire alight) and in the internal corners. some walls are definitely better than others. I am not sure if the heat spots above windows are from the windows below or the brickwork above the window.
Also, in the bits that have a wooden floor, there seems to be heat leaking from BENEATH the house (No image showing that)
>FLIR
When I was helping the nursing home wrestle with the then unknowns of the covid pandemic I looked into getting a FLIR cam for quick employee & visitor screening. They were too high-$$$.
You have a link?
Very cool that FLIR is relatively inexpensive now.
Price is up! I bought this ready in the summer!
https://www.amazon.co.uk/Android-Thermal-Imaging-Resolution-Connector/dp/B0728C7KNC
£221.72
It did drop:
https://uk.camelcamelcamel.com/product/B0728C7KNC?context=search
Looks like I was lucky.
The US prices look much higher.
And Ebay second hand are up too.
I have the Flir One, base model.
Best Thermal Cameras for Phones (2022): Flir, Seek Thermal, Uni-T, Perfect Prime | WIRED
https://www.wired.com/gallery/best-thermal-cameras-for-phones/