Identifying leaking pipe

[Badger10]

Hi just wondered if anyone can help me identify this pipe in my cellar. It enters through the side wall of my cellar and runs along the length of it then disappears under my floor. It is wet where it enters through the side wall so I'm worried it's leaking but don't know how to tell what it is or who it belongs to (I'm a ground floor Victorian conversion so I assume it could belong to the flat above.)

Also the cellar is damp, however the pipe is only wet where it comes out of the side wall (pic 2). Does that sound like a leak?

Any ideas?

Thanks!

 

[Chalked]

That's an incoming gas supply. It should not be live, but might be. Your gas supplier will check it for you.

 

[Badger10]

Ah OK, thanks. It's not connected to the gas meter though - there's another one that is... stupid question but if it's not connected to the gas meter any chance it could still be live?

 

[ShaunCorbs]

Yes it could be, as above ask your gas supplier / landlord

 

[Badger10]

OK, thanks. So the water must be leaking from somewhere else?

 

[Badger10]

So my gas supplier is insisting it can't be a gas pipe if it isn't connected to the meter and that there is no way to tell gas and water pipes apart by looking at them - I.e they're telling me it must be a water pipe. Can I ask how you know it's a gas pipe so I can go back to them? Thanks

 

[Last Plumber]

It's an iron pipe with a long thread joint on so I would expect it to be a gas pipe. It could be an old town gas pipe which is no longer used but just because it looks decrepit, doesn't mean it's dead. Can you find the end inside your property and send a pic of it

Second point
It won't be a water main because it's iron, hence the rust.

It could however, be an old heating pipe on a one pipe system.
At first I presumed the side wall of your cellar was an outside wall.
Is it, or is it an internal wall ?

 

[Gasmk1]

as soon as i saw the photo i said gas also where it comes through the wall looks like its wrapped in denso

 

[Badger10]

Thanks for the explanation. Yes, it comes in through an external wall. I can't find where it ends unfortunately, it leaves the cellar and goes under the floorboards in my living room which I can't access. Assume if it's heating I would be able to feel it when it's on? I'm really just bothered about the fact that it's wet at the end, but if it's not for water or heating I guess it could be water from outside leaking through the wall.

 

[Last Plumber]

Is the gas meter in the living room ?
How old is the house ?

 

[Badger10]

The gas meter is also in the cellar. It's about 100 years old.