Thanks Janan
That's very helpful - and of course, I'm seeking a professional opinion but they're not due to come until a couple of weeks.
It's definitely not wider than 1mm - just measured at the widest points - just under 1mm. Think the perspective of the camera might make it look bigger...
Hi, I'm a first time buyer who has just moved into a flat in South East London - in a bit of a subsidence hot spot. It was built circa 1900.
I recently spotted this crack next to a window - internal only, probably about 1mm (maybe slightly under).
I am worried this might be subsidence. I found...