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Damp Proofing

Tanking in a grade II listed property

Anonymous user 23/02/2024 - 3.10 PM

I've only just found out through a structural survey that the property I'm purchasing is grade II listed (this wasn't mentioned by the agent!). I've been reading around to find out what this means for the renovations and there seems to be an emphasis on listed properties having different methods of avoiding damp, with damp proof courses often being inappropriate. As the property is on a slope, the estate agent informs me that the ground floor wall was tanked 15 years ago and is now out of guarantee and needs replacing. Is this acceptable in a listed property? Will the methods differ now that we know it is listed? The kitchen is suffering from damp and the surveyor suggested that it was due to the cold stone walls being painted but not plastered - a) is plastering them likely to solve the problem, b) can I do that in a listed property? and c) will it now need to be a special plaster? Apologies for so many questions - really want to do the right thing for this lovely little place but a bit worried about what the previous owners have had done.

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2 Answers

ADR Property Maintenance

Rating: 5 out of 5
Boston
Your best bet is talking your local council listings officer, he or she will point you in the right direction of what they require & the type of materials they want used for the different repairs sounds like your getting a real botched mess left by the previous owner. Good luck Alex
Answered22 June 2017
1

Prides Plastering

Rating: 5 out of 5
Torquay
I'm surprised you have tanking in a listed building as tanking is usually cement based and will likely cause problems down the line Like damp (yes damp proofing can cause damp in old builds) and dry rot. Non-hydraulic limes or fatty limes (not to be confused with nhl, or hydrated lime)are typically the go to mortar and plaster with pre 1930s buildings non-hydraulic lime is vapour permeable this means it will allow your property to breathe and also softer on the masonary. Damp course injection kits, tanking systems and the plastic membrane systems will most likely be useless and not permitted. You need builders/plasterers that often work with old buildings I wouldn't even bother with a damp proofer personally. Don't be intimidated by it, it's not as bad as people think (the materials will also be simple and effective) After though... Regarding paint you might need to use lime wash/clay paint or a silicate mineral paint Most importantly get in touch with the council and find out what is specifically listed and what they suggest you use
Answered1 December 2023
0