1. Visiting from the US? Why not try DIYnot.US instead? Click here to continue to DIYnot.US.
    Dismiss Notice

Condensation in the kitchen - cold water pipe from toilet

Discussion in 'Plumbing and Central Heating' started by Johntheboy, 11 Nov 2018.

  1. Johntheboy

    Johntheboy

    Joined:
    23 May 2015
    Messages:
    34
    Thanks Received:
    0
    Location:
    Leeds
    Country:
    United Kingdom
    Hi all,

    Bit of a mixed one this and I think I know the route of the issue but wanted to see if I’m looking at this all correctly.

    In the photo is our kitchen/diner wall. After cooking on Sunday (which was quite a lot of boiling) the wall showed an outline of the cold water pipe behind the plaster which leads to the toilet in the bathroom upstairs.

    It’s the first time it’s done this and has done it for the last week when cooking. Therefore I think (bearing in mind the time of year) it’s purely condensation. Adding to this the walls were a light colour until I painted them a dark grey in the summer. So it might have done this before but not been noticeable.

    Checking the toilet, it does get a lot of condensation on the cistern which then drips onto the floor a little. The connection of the pipe to the cistern did have a leak around two years ago which doesn’t seem to be present any more. This caused the patch to the top of the wall which only re-appears after cooking as can be seen in the photo of the kitchen wall, so it’s as though there’s still something in the plaster.

    I will note in terms of an extractor when cooking, we have one which doesn’t extract to the outside and effectively just re-circulates.

    So, I’d like to be corrected if I’m wrong with any of this:
    1. There’s little I can do about the pipe condensation behind the plaster, maybe I should re-decorate to a lighter colour?
    2. There must be a lack of good ventilation/extraction/air circulation in the kitchen for when we’re cooking currently.
    3. To get rid of the condensation on the toilet cistern, I’d need to insulate the inside of the cistern? I’ve seen videos of people doing this with a yoga mat?

    Any thoughts on my assessment of it (please don’t be too harsh) would be much appreciated.

    P.s - please don’t judge me on the bathroom tiles - previous owner’s choice... not ours!

    Many thanks!
     

    Attached Files:

  2. Sponsored Links
  3. flameport

    flameport

    Joined:
    10 Mar 2007
    Messages:
    9,558
    Thanks Received:
    1,888
    Location:
    Poole, Dorset
    Country:
    United Kingdom
    Totally useless for any purpose.

    And the bathroom.

    The answer is proper ventilation - the kitchen extractor must extract outside, and the bathroom also needs an extractor.
    Air must also have somewhere to enter both of those rooms, typically a gap under the door, assuming the rest of the house is not airtight.

    Paint and yoga mats are not a solution.
     
    • Like Like x 1
  4. JohnD

    JohnD

    Joined:
    15 Nov 2005
    Messages:
    72,009
    Thanks Received:
    4,108
    Location:
    Crossgates
    Country:
    Cook Islands
    a recirculating cooker hood can be used as a kitchen ornament.
     
  5. Johntheboy

    Johntheboy

    Joined:
    23 May 2015
    Messages:
    34
    Thanks Received:
    0
    Location:
    Leeds
    Country:
    United Kingdom
    As for the bathroom ventilation, this has an extractor which seems to work fine, it’s purely the cold water coming into the cistern into a warmer room surely that’s causing the condensation there?
     
  6. Madrab

    Madrab

    Joined:
    4 Oct 2012
    Messages:
    7,931
    Thanks Received:
    2,237
    Location:
    East Renfrewshire
    Country:
    United Kingdom
    How close to the wall surface is the cold pipe, if you put your hand on the wall, can you feel the cold water pipe beneath? If so I'd suggest the cold water supply needs to be chased deeper into the wall
     
  7. Burnerman

    Burnerman

    Joined:
    7 Feb 2008
    Messages:
    22,880
    Thanks Received:
    4,453
    Location:
    Northumberland
    Country:
    United Kingdom
    Last pic.....I'd suggest the connection to the fill valve is still leaking.
    Heat the room up with a fan heater then check again with kitchen roll.
    John :)
     
  8. DIYnot Local

    DIYnot Local

    Joined:
    3 Sep 2019
    Country:
    United Kingdom

    If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

    Select the supplier or trade you require, enter your location to begin your search.


    Are you a trade or supplier? You can create your listing free at DIYnot Local

     
  9. Sponsored Links
Loading...

Share This Page