Sewer Gas Smell In House Uk. There are some pretty normal reasons why you may smell sewer gas in parts of your house that are easily fixed. Sewer gases are gases that combine to make a methane gas smell or rotten eggs smell.
Sometimes pouring some vinegar down a drain can help to get rid of a foul odor. Sewer gas is an occurrence when natural human waste begins to break down. Drain vent in vicinity that is blocked or severed.