| Comment | Get it done. Any buyer will see the damp issues and then begin to ponder not just how much it costs, but how much ballache will it be to get agreement from the other neighbour.
3.5k is nothing over 1-3 years.
You may even wish to consider external insulation, but that will cost much more. As for RoI on that, probably not going to do it but consider your own comfort too.
You may wish to speak to a damp specialist too (this could well be the people doing the render). Could be that seals have started to fail around the door leading to water penetration. |
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