Have a very bad smell coming from the outside toilet which no one uses. I have been reading posts on here, and have now had a hose running into it to flush everything away, and have flushed the loo a couple of times with bleach. I still can't get the smell to go away. It smells like old cabbages, but not the same smell as when our drains blocked about 3 months ago. At first I thought a something small had crawled into somewhere and died, but the smell has been there now for about 2 months, so could not be that, unless the person who sold me the house has buried a few people under the house!
I live on a slope, and the drains un the garden are not blocked, and running freely.
Hope someone can help!