OP,
The air brick - the DPC - & the common bricks are all modern, definitely not 1780 - what the pic shows looks more like 1980?
Why not lower the ground level by about 100mm?
After removing the plasterboard then why not post some pics?
If the air brick is a vent duct to the room beyond then the duct must come up & show itself in the room beyond?
It's too cold to remove the rad on the inside, to then cut into plasterboard, so that will need to wait until April time. But yes will do.
I have the architects set of blue prints and work docs from 1971 as we're given to me by estate owners on moving in, when they converted the stables doesn't mention this area. Next door (all houses listed) found at 15m deep void below their kitchen (was parallel to the well in their garden), so who knows might be that.
OP,
The air brick - the DPC - & the common bricks are all modern, definitely not 1780 - what the pic shows looks more like 1980?
Why not lower the ground level by about 100mm?
After removing the plasterboard then why not post some pics?
If the air brick is a vent duct to the room beyond then the duct must come up & show itself in the room beyond?
If you meant remove on outside.. 100mm, I did have building control here about a year ago wanting to see how far down the building went for a different face of the building. We went down 9 courses of bricks belowground before guy said stop as we could not get to the foundation start point which he said would be below the bricks. Mystery maybe a cellar. Anyway that camera endoscope thing ordered so once arrives I'll take some photos and upload.
hi all, ok I can't work out how to upload a video, anyway that endoscope camera thing turned up, and after pushing through the air brick about 20cm later you see this photo... The sides all stop c33cm so start of inside blocked, but the pipe I was able to go I to c1m before endoscope could go no further. Did not branch off. Ideas?
I also re read the architects docs, mentioned 2" screed, on what?
If helps, all looked dry in there and just cobwebs.
If your concrete floor, was a replacement for a timber floor, or an extension, and you still have an area of timber floor beyond - it will need to be ventilated. That pipe through the concrete, allows for that airflow.
All of ground is solid, no wood flooring on ground floor I have ever seen or found in 17 years. Oh well good news not harming me or anything so thanks guys, I'll leave it to the next resident in c2065 when I leave to buy a much longer endoscope camera to find out
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