Hi, thanks for the replies on my original message. Although in fact it wasnt at all what we thought, the problem turned out to be a dead rat under the floor!!!
The last eight months we have noticed a bad eggy/or mouldy odour getting worse from one of the cupboards in the kitchen. We think the water supply pipes for the washing machine are the problem inside the cupboard. The smell is coming from under the floor where the water supply pipes are. There are n...