Home DIY

We have an outhouse with a water tap inside that is used to water the garden / wash cars, etc. We would like a water tap outside because the outhouse will be locked for a long period of time, probably unchecked.

Here is a rough diagram and a pic of the inside.

• All the walls are single bricks so relatively easy to drill through.
  
• There seems to be a stopcock before the WC on the outhouse side.
  
• There is some sort of junction pipe-thing covered in paint on the outhouse side.
  
• There is a junction connection next to the WC pipe on the WC-side.
  
• There is an open air-brick at ground level on the bottom left corner.
  
  

My thoughts (from easiest to hardest)

1. Add an attachment to the actual tap hose and run it round the room, out the air brick, up the outside.
   
2. Add a tap to the WC-side junction in front of the WC pipe.
   
3. Some sort of more complicated install to get a proper outside tap.
   
   

Pros / Cons

1. Attachment / air brick
   Pro + could do myself, parts I assume are inexpensive.
   Pro + no drilling or proper plumbing
   con - general safety issue
   con - winter pipe freeze from constant exposure / never being turned off internally. (note the interior of the outhouse doesn't tend to go below 0°C)

2. WC-side junction
   Pro + short route
   Pro + outhouse tap could be firmly turned off, reducing dripping/leaking.
   Pro + less exposure to extreme cold
   Pro + 99% sure there is a stopcock in front, therefore don't have to shut water off fully.
   con - not most practical location
   con - may be v. stiff.

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