Laying ceramic tiles onto a parquet floor? Good or bad?

[villageidiot]

The lino in my bathroom is in need of replacement. Under the lino I have a parquet floor about 60 years old (house was rebuilt after war before conversion into flats). I want to put down ceramic tiles (15cm square), but am undecided what to lay on.

The gap under the door is large enough so I can lay the tiles on top of the lino witout having to plane the bottom of the door.

Should I just lay the tiles on top of the lino
OR
take up the lino and tile direct onto the existing parquet floor
OR
should I put hardboard down on top of the parquet and tile on top of that.

I haven't taken all the lino up yet to check all the parquet floor is dead flat, but in the rest of my flat it is because its laid direct onto a solid floor (I'm on the ground floor).

After the tiles are laid they'll be a lip between the hallway and the bathroom floor because of the depth of the tiles. Any ideas about something hardwearing to put along it to stop the edges of the tiles being cracked. I need something similar to tile edgng for windows but haven't seen an non-plastic variety anywhere. Am a bit concerned a plastic one would get damaged quickly with people walking on it.

Thanks for any ideas.

 

[Mudster]

Pull it all up, including the parquet, and tile on the screed.

No height difference, nice solid floor.

 

[gruntyv8]

Pull it all up, including the parquet, and tile on the screed.

No height difference, nice solid floor.

sell parquet to help fund tiles
Al