Victorian house with rotten wood in supporting wall for joists

18 May 2021
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United Kingdom

Hoping for some advice. We have taken over ownership of a victorian house from my parents who have downsized.

Will try to keep this as brief as possible... Every room has thick gypsum plaster on walls, first meter is rendered in cement. We are having new windows fitted so I decided to remove some wooden paneling on the walls and the plaster came off with it.

The damp is insane, salts everywhere blown plaster, the end game is to try and get exterior walls lime plastered internally as clearly the house cannot breathe at the moment due to the gypsum and cement blocking its natural damp course.

The main issue is at the very top of the external wall on the ground floor, there is a wooden beam running the length of the house which is supporting the floor joists above. This is rotten, in some places it is compost, the floor joists above are also rotten in places.

My question is what would be the best course of action and would anyone have any idea of what kind of work would be required to rectify it and cost?

We want to do what's best for the property for longevity and to do it right!

Ive had a good search and can't find this exact issue. Have attached some pictures.

They show the room below, wood that runs the length and a view from above under floorboards. Bricks are loose in some areas.

Thanks in advance.


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The wooden beam may be salvageable with epoxy resin filler and /or cutting out the rotten parts and replacing with treated timber.


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