Water leaking past front door weatherboard - suggestions?

[coolhands]

Hi all hopefully someone can give some advice...

The front door to our house is at the top of some concrete steps. At some time in the past, the top step has been screeded(?) over for an unknown reason - this may be adding to the problem. Basically the rain is blowing under the weathboard, and the floorboards are sodden.

I've taken some pics of the neighbouring houses with same layout - all of the concrete steps seem to have been modified in some way in years gone by? I don't know why, or what they were like originally. My question is, what's the best way of doing something to sort this problem out. We don't want to install a upvc door, we want to stay with a wooden front door. It is very large (not standard!).

pics (each pic can be clicked on twice to make it larger)

our door:





opening (you can see where the lino is discoloured, and the floor getting wet underneath):







some neighbours. This green one (number 12) seems to have had a wooden sill? put in, and also the concrete step at the top has been altered in some way:





blue door (number 10) rotting like mine will go I suppose:





Black door (number 8 ); this one appears to be the most original with regard to the concrete step at the top:

 

[foxhole]

The screed should have been feathered to give a good run off, instead the water run under your door, you could break up and rescreed. A threshold would be another fix though reducing overall door height.

 

[gregers]

you might be able to install a metal threshold strip to the floor,this would then mean taking the door off/remove the weather bar and forming a rebate so the door closes onto the strip,then refix the weather bar.