Replace the range: Black Stainless Steel Freestanding, Gas, 30 inch, Double Oven Ranges

and where could i put a cooktop

"and where could i put a cooktop"

Ranges include cooktops. You have a range with one oven. The replacement range would have two ovens instead of one. That's what you said you wanted.

This is a tight kitchen. If you are really sure that you need a second oven, I'd sell the range and buy one that has two ovens (instead of a broiler or storage drawer):

Otherwise, I think most of the options range from suboptimal to downright dangerous. I think you'd hate having to go into another room to check a cake or carry back a roast. Nightmares. I'd relocate the fridge first (but you can imagine what a pain that would be!). I think I'd actually try a toaster oven on the other side of the window before doing anything that required renovations.

I was just going to recommend a Breville toaster oven. They're amazing, and replicate a traditional oven in all but size.

Based on recommendations here, we added a smaller countertop oven. We use it more than the one in the range. A friend was downsizing and gave us her Panisonic flash oven. It can hold a 10 inch pizza. When it dies we will probably upgrade to a slightly bigger option. Quite a few people on GW said this Oster is a good one at a reasonable price, so this is my plan.

The Breville is also on our list.

I have a double oven range. Love it. I was worried I wouldn’t like the second oven so close to the floor but it’s not been an issue.

Another vote for a double oven range. It is fantastic. Especially when preparing a big meal, you can have your roast or turkey in the bottom oven and side dishes etc in the upper oven at a different temperature. I will never go back to a single oven range.

When my son and daughter-in-law bought a home with a small kitchen, they put a run of cabinets on one wall of the dining area. They were able to find a similar enough door style and color that it didn't look different from the existing cabinets. The cabinets they added were a tall pantry cabinet (farthest from the existing cabinet), a 24" cabinet (I can't remember if it was drawers or shelves) and a cabinet to hold a single wall oven.

They both cook and sometimes one will make something like pita bread or naan which mean a lot of opening the oven while the other is using the cooktop so they really wanted an oven that wasn't under the cooktop. The extra counter top space and storage came in handy too.

The new cabinets were separated from the existing ones by a door way, but it didn't look choppy and functionally, it was really good for their needs.

Without dimensions, it's hard to tell if your dining area is wide enough for that. If the kitchen was just reno'ed, you might be able to find the exact same cabinet style.

Replacing the range with a double-oven model is a good idea. The one pictured above appears to have 2 ovens similar in size. I was worried that those would be too small for the holidays. (Full disclosure, my fear could be completely unfounded. I can't cook without recipes & get stressed quickly when something doesn't go as planned. LOL.) I chose a range with a traditional size oven and a small 2nd oven in place of the storage drawer. The 2nd oven has a limited temp. range and has limited space since it is replacing the drawer. I believe it can also be used as a proofing drawer. I haven't used the smaller oven yet, because I use my speed oven when I need a small oven.

Another option would be to replace your microwave with a GE over-the-range Advantium speed oven. I have an Advantium wall oven and love it. I use it more than the range oven. It works as a microwave, convection oven, and speed oven. There is a 120V model and a 240V model. I have the 240V model, so my opinions are based on it. The 240V would likely require electrical work, whereas the 120V would plug into the existing microwave outlet. If you won't use the speed oven function, I'd do as others suggested and upgrade the range to a 2-oven model simply because the GE Advantium costs $1200-$1600.

Try the Breville toaster oven before replacing your range. It's a wonderful appliance, and obviously much less expensive than buying a new range. We absolutely love ours and use it every day (and we have more than one oven already!)

I wouldn't spend the money to add the needed electrical that an oven requires to that kitchen as it exists. Buy a toaster oven for now. Start planning a better layout and a full renovation for the future.