Rising or penetrating damp! Help! Wet but not rained

[Nonstop]

Hi everyone,

We noticed a patch of damp last year and didn’t get round to doing anything. Eventually got someone to clean roof gutters 2 months ago. We thought would have solved issue but yesterday the vertical patch looked darker and felt wet despite having no rain for a week or 2 now (unless I’ve only just properly noticed it).

we can’t ignore this anymore and needed some thoughts. Heard you can wrongly get diagnosed with rising damp and from the outside with the mould looks like it’s just the living room and not a bedroom issue.

The pipe corresponds to the interior where the damp is. It’s a downwards drain pipe which was there when bought the property ten years ago not changed.

Thoughts/advice welcome.

Thanks!

[Someone-Else]

Only a guess, but its improbable the downpipe leaks / is split, but have you checked the pipe to hopper connection? My neighbour and myself had the same problem (Not same pipes) over time the weight of the down pipe pulled it down from the hopper just enough to let water out when it rained. (His was worse than mine) very easy to solve.

[Nonstop]

That sounds helpful. Will investigate!

[dewaltdisney]

I would check for a blockage. It looks like water spilling out the hopper. Easily sorted

DWD

[Neelix]

Could easily be hopper blocked, and water then coming down the wall and in though damaged pointing

Or water issue in loft getting into cavity then through pointing/mortar