Hi All, This is my 1st post i hope i can get some usefull advice.

I have a 1st floor flat in an ex council block and for the last 4-5 years we have had a problem with damp patches appearing on the gable end wall see pics. We had someone look at it and advice us it was caused by dirty brick ties in the cavity.
The council recently renovated the block & they allegedly hoovered out the cavity & re- insulated,this has not remedied the poblem, yesterday i met with the council architect and he says the problem is caused by the patio door unit which was bone dry, im getting nowhere fast. Any thoughts or input would be greatly appreciated.
Thanks in advance

Unable to upload photos at present too many pixels?

Thanks to the easy to follow steps i managed to upload these pics

I can understand him saying the damp is coming from the patio door unit for the large patch in the first picture as this is possible, but what about the patch that is right up in the corner of the room!


It looks like something is bridging the cavity, but what exactly is difficult to say without looking in the cavity.

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DIY | Donnas dream house

I was at the flat today with my camera & a protimeter

Pic 1 - the balcony the patio door unit is at least 1200mm from the edge of the wall, the silicone all looks good & in tact

Pic 2 - my flat is 1st floor so roughly in line with the sky dish down. As you can see the 2nd floor flat has had the bricks opened up. What i'm thinking is the council came round to open up the cavity at my flat to remedy the problem but being typical council they have done the wrong flat ?

The proimeter outside on the balcony read at the bottom- 4. middle- 9. top- 16.
Inside the flat at the patio door it read 27 all the way up

Is it worth speaking to the owner / occupier of the flat upstairs to see when / why the work was done above? Or even asking the council?

I guess if the council are refusing to acknowledge the problem, (i assume you are keeping a record of all correspondence / discussions with them), would be to get a building surveyor to report on the problem and forward their report to the council.

I've been to the neighbours upstairs & they claim to have no knowledge.

Still trying to get somewhere with the council but its very hard

I'll try the building surveyor route

Thanks very much for your input