Your house is just a "teenager"
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Mine was built in the 1720's!!
I tend to find that period homes have better plot sizes than modern equivalents and 20/30's houses often have layouts that can be easily adapted/extended to meet the needs of modern living.
Best advice for any older home is don't scrimp on the survey.
Get 3 quotes for any works that are recommended.
All homes need to be properly maintained regardless of age.
The biggest risks (costs) are addressing major roofing works (not all roof work is necessarily a huge issue), damp, new windows if you still have original single glazing and re/wiring if the electrics haven't been upgraded and a new boiler.
It's not really an issue for a 20's house but for very old houses like mine you need to get used to the word "bespoke" (and the cost). Room sizes, door frames, windows mean that any built in furniture (like kitchens) and soft furnishings like curtains you're unlikely to find ready made in the right sizes.
Kitchens can be "botched" a bit with filler panels for example and you can alter ready made curtains but essentially if you want a top notch finish you have to put you hand in your pocket and get things custom made.
We have 35 windows and all were different sizes and being in a conservation area had to be wood. I'm not going to tell you how much it cost to replace them because I'm still getting over the shock nearly 5 years later!
If your building is listed the costs ramp up further as you need to retain what you can or replace like with like often using high skilled (expensive) trades people and materials.
All that said my experience of period houses (7 in total) has been overwhelmingly positive.