Can you get the Landlord involved.

It may be something stupid like a leaky overflow pipe dripping down the cavity.

But if the other side is worse it could be penetrating through to your side.

As above I would have a couple of bricks out, and look in the cavity.

Another thought just came to me, could you get a guy in to drill a hole through the wall and inspect the cavity with a camera, no idea about cost though.

Another thought, where is next doors bath in conjunction to the damp.

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'It may be something stupid like a leaky overflow pipe dripping down the cavity'

if you mean the gutterring, this was leaking and i got it repaired in january, thats why i had to do the repointing?

the only plumbing in these terraced houses are a lead pipe coming in from the street into the back of the house for utilities and boiler. There should be no plumbing in the walls in the front of the house.

I've also noticed that next doors outside water meter is full of rain water????

My stopcock which was on the lead pipe coming in through the hallway was leaking however i repaire this myself 2 months ago but the ground is still moist.

I am pretty sure these old terraced houses dont have cavity walls. Also could it not be the DPM which was behind the skirting.

I think i should dry out the wall first then monitor it.

have you tried a hosepipe directed against the wall all the way up and monitored for leaks?
I reckon that masonary wants some properly done lead flashing..

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check this out lads.

I'v taken the skirting off and tested the mortar joints and as you can see the readings go off the roof. however some parts are only reading 15%.

I think this is rising damp and as the skirting is fixed to battons it's safe from rotting.

on the top left hand corner you can see plastic dpm which is just left there. I'm worried it might come up on other parts of the house.

I plan to use Dryzone cream. What do you think?

Also what do you mean by checking with a hosepipe?

Thanks in advance.

Make a hole in the board high above the damp patch, and then test it. maybe even two holes one at ceiling level.

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its negligible, the readings centre around the damp patch and the brics behind the skirting board

The damp patch don't look negligible to me.

Am I missing something.

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No, the readings from the damp patch are high, the readings around the damp patch are negligible. I thought you were asking me to take readings around the damp patch, like from the top of the wall.

I think i'm missing some thing.

I mean the bricks behind the plasterboard.

Something is dripping down, I'll bet money on it.

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Theres no plasterboard, just bonding and skim coat over the bricks. Theres no pipes or anything behind the plaster or in the brick wall.

Do you not think its rising damp?

I dont think you wanna be betting money on anything in my house, nothing is what it seems

Lets put it this way.

You have a large damp patch up the wall, with what one should assume is dry/dryer below and above, so how did it get there.

If it was rising damp, it would show from the bottom up, not jump a couple of feet.

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ohhh i see.

Hi

The bottom pic is of the side of the door frame at the bottom, i put my hand in and it was all damp sand and you can see the brick is wet. i got it all out but i saw no damp source or any causes. i then took off the floor boards and found the vents directly below the door were quite blocked with cobwebs and rubble. THe rubble was also wet. I'm pretty sure it was wet from when i changed the stop cock off the main lead pipe. and this was after the damp problems. Anyway i unblocked the vents and cleared out a lot of the earth.

Also in one of the picks you can see a DPM running along the mortar course and it seems to be brokeen on the outside of the bricks towards the front dor????

P.S. I still havnt drilled thos test holes yet. i'm quite sure its not that.

Hi

I'm really stuck on this now, as i cant finish off the decorating and move in without solving this damp problem.

Its unlikely its rising damp due to it being over a meter high up the wall.

Its definately not penetrating damp as its an internal wall.

All water sources have been checked on my side and theres nothing to report.

however the white fluffy salts indicate a water source and my only thought is that it could be coming from the thames water meter located outisde which keeps getting filled with rain water???? or that my neighbour has a water leak, however the meter doesnt spin round when my neighbour turns all his water off, indicating there is no leak. This is what Thames water have said aswell.

Now i've cleaned up all the debris underneth the floorboards and unblocked the vent underneeth the door.

I want to now just hack the plaster off and apply some Thistle Drycoat and then Multifinish. I have also injected Dryzone along the wall.

Hi

I'm really stuck on this now, as i cant finish off the decorating and move in without solving this damp problem.

Its unlikely its rising damp due to it being over a meter high up the wall.

Its definately not penetrating damp as its an internal wall.

All water sources have been checked on my side and theres nothing to report.

however the white fluffy salts indicate a water source and my only thought is that it could be coming from the thames water meter located outisde which keeps getting filled with rain water???? or that my neighbour has a water leak, however the meter doesnt spin round when my neighbour turns all his water off, indicating there is no leak. This is what Thames water have said aswell.

Now i've cleaned up all the debris underneth the floorboards and unblocked the vent underneeth the door.

I want to now just hack the plaster off and apply some Thistle Drycoat and then Multifinish. I have also injected Dryzone along the wall.

Please help me cos im pulling my hair out now. And i dont know any Damp Proofing contractors that i can trust. I'm also a competant DIY ' er and think i could do it myself. But if you know anyone in Newham, London, please let me know, or even better a DIY solution.