An older trap installed on the private drain where it meets the sewer, intended to keep sewer gases and vermin out. Their design catches debris and they are a frequent blockage point in Victorian properties.
What it means for you
Many London properties still have one. If a drain blocks in the same chamber every time, this is often why.
Not sure whether this applies to your property? Ask us. There is no call-out charge and the price is fixed before any work starts.
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