With the price of 18mm ply these days there's a bit more encouragement not to throw out the pine floorboards which are often really decent pine by todays standards.
Literally having a similar conversation with a bathroom fitter today. He doubted I’d notice having an 11mm step up with some 9mm plywood plus LVT fitted on top of the old boards.
With the price of 18mm ply these days there's a bit more encouragement not to throw out the pine floorboards which are often really decent pine by todays standards.