Many thanks to everyone that gave advice on this problem. In the end we got our builders who were already on site to remove the rotten floorboards and sections of the joists. We cleared out the rubble and they put in new joist sections, and took floorboards from upstairs to replace the ones that...
Hi yes!
We still haven't made final decision re what to do. And waiting for quote from our builders.
Further advice and response to questions would be appreciated :)
A further update....
In addition to the three damp and timber companies that have visited (details in previous post), we've had four more:
(4) Kenwoods. Said it was definitely dry rot. Thought the white whispy growth was salts. He was scaremongering... got to do it right, get a guarantee...
No annotated diagrams provided so far from the D&T people.
I have a few more pictures. The first two show further floorboards removed in the mould area. As hoped and suspected, the rot does seem to be localised. Here we've removed about a metre beyond the last sign of it.
Let me try and...
I've posted new photos of the ground level bay area, as requested.
The builder is coming today so we're going to ask him to remove more floorboard from other areas of house you've suggested to investigate further. Hopefully we can post photos of these this eve.
Update on 3 damp...
These are the 2 airbricks we've already replaced (Yes, we know the one at the top is pointless!! )<br><br>The ground levels slope down from the right of the house to the left of the house (if you're looking at it from where I've taken pic)