DIY Doctor

Main navigation

Diagnosis Needed for Damp on Upstairs Master Bedroom Ceiling

Postby gobrun » Sun Nov 11, 2018 5:20 pm



We have a damp issue on our upstairs master bedroom ceiling. As per the images the damp manifests on the ceiling next to the external wall at the rear of the property. The double glazing is a couple of years old but we had the problem before the windows were fitted. The coving also gets damp and cold to the touch. It is worse in the mornings (room occupied by myself and my wife), especially in winter. Presumably our breathing puts more moisture in the atmosphere and this then condenses against the cold ceiling by the external wall.

There is a loft space above our bedroom with heavy insulation (unknown age/type but its very thick). The insulation was pushed right to the edge of the roof above where the damp appears up until spring this year. We moved the insulation away from the edge earlier this year as an experiment to see if ventilation is part of the issue. As far as I can tell its probably worse now with the insulation pulled away so I intend to move it back again.

I've also included a photo of the soffits immediately outside our bedroom window. Note there is no ventilation installed in these, but we believe it's just solid wood underneath the pvc soffits. Should these have vents installed in to the roof space?

We have tried to get a trade out to have a look, but after agreeing to come out on the telephone, they didn't show up. We should have persisted but you know how it is.

1. Has anyone seen a similar issue before?
2. Any recommendations on tackling/treating it?
3. The insulation?
4. What sort of trade is best if we do need professional help?

Any help is much appreciated.

Many thanks
Rank: Labourer
Progress to next rank:
Posts: 2
Joined: Sun Nov 11, 2018 5:10 pm


Simply Build It

  • DIY How to Project Guides
  • DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!

  • Related Topics