Cooker hood outside vent advice

[pyounger]

we have a small kitchen where the best position for the cooker (free-standing gas) is positioned in front of a wide boxed section that hides water and boiler pipes.

We need to install an extracting cooker hood, but all instruction on doing so are aimed at the hood being mounted direct to the outside wall with the ducting going straight out the back and through the wall. I can’t do that because of pipes.

So is it ok for the ducting pipe to go downwards (following the box section down) and then to the right (just below the worktop height) with a hole then drilled in the outside wall which would be about 1meter off the ground? A total distance our about 1.3meters in total.

 

[foxhole]

Better to go above to left or right above any upper cupboards and box up to ceiling to hide .

 

[pyounger]

Yeah but that really isn’t possible, what’s the problem with going doward?

 

[foxhole]

If ducting goes down it will collect moisture and grease .