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Question

Condensation (England)

Condensation/mould issue

16 Jun 2020 | 2 comments

We have a 1970’s 2 bed timber framed property with GCH and double glazing.  Tenant has lived there since March 2015 and has 2 children sharing a bedroom.  She has reported condensation/mould issues in the children’s bedroom (upstairs).  So far we have insulated the loft £200, installed vented roof tiles £672.00, gutters cleared out £75.00, installed trickle vents on window £50.  Builder cannot suggest anything else and to be honest the landlord is not in a position to spend anymore money.  There are no leaks and they have only ever reported an issue upstairs.

We do have a good relationship with the tenants and have gone through your condensation leaflet with them on several occasions.  They are adamant they are doing everything suggested on the leaflet but are “having issues with mould in all the rooms up stairs mainly the kids room I don’t no what else you can do as I feel you’ve tried a few things already but the kids coughing is just getting so bad and the only thing I can link it to is the mould”.

Can you suggest anything?

Thank you

Answer

2 Comments

  1. Imported

    07/08/2019 4:16 pm

    Hi

    Wherever I have had this issues I have fitted a Nuaire Flatmaster or loft mounted PIV system. This forces air into the building at a very low pressure and any moisture laden air is expelled. If one of these units in all my properties, even in the student HMO’s I have no condensation/mould.

    Hope this helps

    ianmcowley

  2. Imported

    07/08/2019 4:25 pm

    It does seem you’ve done most things possible. If it’s condensation then the moisture is being created internally by the tenants so difficult to stop sometimes.

    The only extra thing we could think of but it’s a big job is to put thermo laminate boards on the internal walls of affected rooms. See here for more details.

    We personally do this on every external wall at every refurbishment and it works brilliantly. It creates a warm barrier between the outside wall and the warmth stops condensation forming. It also stops minor leaks showing too.

    The alternative is to build a stud wall against any external walls and fill with insulation and board over. This works equally well and is particularly useful if the wall isn’t straight because you can straighten everything up.

    guildy

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