Bathroom tile - rotting subflooring...

I stepped on one of the tiles in our bathroom to discover that the tile beneath my big toe gave way!
Upon further inspection, an area of 8 small tiles (approx six 2" hexagons and two 1/2" squares) are over some rotten wooden subflooring that must be showing signs of water leakage from whenever the shower curtain hasn't shut completely.

What is the quickest/easiest way to fix this? Our house is on the market next week!



Thanks for any and all help!

 

There is no quick fix or band aid solution to your problem. Tile will have to be removed to replace rotten subfloor. The quickest and most inexpensive way to repair the floor would be to remove all tile, replace, rotten subfloor, and install vinyl floor covering, as tile and installation (including concrete underlayment board) would tend to cost more and take more time to install.

 

How long a job are we talking about, going with your suggestion...
I know this is the DIY forum - but a project like you describe is far beyond my current resources & abilities, given the number of other projects I'm attempting to complete. This problem snuck up on us.

As for a repair to the current flooring - It's a very small area, I've already removed the tiles...
It absolutely must be done by Tuesday morning, and there's no way we can get someone over the holiday weekend.

 

To repair the rotted wood you need to get it exposed and then cut out everything back to the first clean floor joist. This means you have to take up good tile and plywood to get to the joist. Otherwise when you put the new piece of ply down there will be nothing to support it or have it nailed to along the edges. THERE IS NO QUICK FIX! When you have a floor that is so rotted out that you can fall through it you have a MAJOR problem on your hands. There is also a good chance that mold and mildew are in the subfloor. I dont know how you can get around that without disclosing that to potential buyers unless you remove it first.

 

Thanks for all the advice, folks - considering our time frame, and the scope of the repair, this may no longer be a DIY task - our realtor is giving us some references tomorrow of people to come in and replace the bad flooring with vinyl.