AIBU to buy an old house that needs work when we don’t need to?

[FelicityBob]

We live in a modern 4 bed detached house which suits us well. The opportunity has come up for us to buy a house just down the road which is 100 years old, 4 bed semi. Although it’s not detached It is a bit bigger than what we’ve got now as it would have a living room, playroom, and dining room, whereas now we have one living room and a kitchen-diner. It’s also has a utility room which we haven’t got now. Upstairs space isn’t much different to what we’ve got now except we’ve got an en-suite now which the other house doesn’t have. The garden is bigger and flat and really lovely. I’ve always wanted to live in a period property. The house needs a lot of updating- floral carpets, floral wall paper, strange colours, lots of modernising required. Would be nice to redo the kitchen and bathrooms but they don’t HAVE to be done. We don’t have a lot of time do DIY/decorating and wouldn’t have a lot of money left at the end of each month so would be a slow process updating the house and we’d be living with some weird carpets for a long time.
We don’t need to move. We’re fine where we are. So that makes me nervous. But I feel like we won’t get another opportunity to buy a house like that in the town we live in as there aren’t many and they get snapped up quickly. The end product could be amazing, but I feel like it could take a long time and a lot of money to get there.
So AIBU to move to a house that needs updating, would cost more money, and have the stress of moving when we really don’t need to?

Nothing but nothing would make me leave a detached for a semi.

Thanks everyone. Lots of food for thought.
Cash wise we’d need to sit down and do some sums, I currently work part time and both kids will be in school from next year which frees up time for me to either increase my hours at work or do work on the house but in all honesty it would be my husband doing anything electrical/structural or semi complicated so me having spare time wouldn’t really make much difference. I’d have more spare time for hoovering the floral carpets
It is single glazed with secondary glazing at the back of the house which is the cold side, she assured me that the front of the house is warm enough but would obviously take that with a pinch of salt.
Many of you are saying what my gut instinct is- that we haven’t got time and would be living in half done for years. But the others of you saying do it are spurring me on!

The suggestion of a survey before we commit is a good one

I’m definitely in mixed minds... we moved into our older property nearly eight years ago. So far we’ve replaced the windows, boiler, electrics, kitchen, roof.... We still need to do the bathrooms and get the horrible artex’d hallway re-plastered. it’s been really stressful! Sometimes I crave for a nice new build which needs nothing doing to it, but then, I love my lovely rambly house-so much space! (But insane power bills.... £300 a month!)

The last four properties we bought, all needed updating and lots of work. It's never put us off buying. We have acquired a lot of DIY skills between us and enjoy doing up houses or altering them. We're in no hurry, preferring to live in the place until we really understand how it works or have a blinding inspiration. Also, we don't do debt, so do work as and when we can afford it; and we had lots of other distractions.To us that leisurely planning designing and gradual remaking of the place as we want it, is what makes it home. We used to happily spin it out for years, decades even. Anyone who doesn't share that mindset might find our snail progress quite trying, according to some of our friends and offspring.