"There are actually five business models for it including a gourmet burger bar, an East End pie and mash shop, tea rooms, live music and jazz night, private venue hire.
"It's really a venue, but it will probably change and evolve, it's hard to give you an exact story of what they're going to be.
"It's definitely something that will evolve."
Private hire menus could be similar to those on the Trans Siberian, India Pacific, or Orient Express train lines.
He hopes to have it open in the coming months and envisages a soft opening as the venue is only licensed for 20 people.
"I'd like to think by April I will have got something sorted, although that's going into winter, which isn't the best, but timing has never been on my side at any stage of this project, so you just have to push on."
He made an inquiry about purchasing the carriages over two years ago.
The trains had operated on the Johnsonville line but were thought to have originated from Preston, England.
"During the Second World War my father was evacuated from London when the Blitz was going on.
"And he lived in a railway carriage up in Yorkshire.
"I always thought that would be pretty cool.
"Originally I thought I would live in one and then it evolved into a business approach."
Then he struggled to find a site.
"I would have liked to have had it in Wellington but I couldn't find anything on the flat, and I couldn't get anything affordable."
The trained cook says it's a busy time getting building, electrical, plumbing, interior design, a website and lots of other things done.
"There's been so much going on with the project.
"Not a day goes by when I'm trying to do something.
"At the moment I'm just concentrating on getting the build done."
