I'm confused- did you reduce the window size in the living room? Also why is there only one window that is grey in the house when the rest are white?
I agree with others about getting the photos redone after sorting out the fence, weeding, and popping in some container plants, as well as some properly considered furniture for the main living spaces
One of the reasons the house is jarring is that you're mixing warm and cold tones together (eg warm flooring in the main areas but a cold grey elsewhere). There's no continuity of style, there's a lot of lines everywhere but they don't match up (e.g. the bathroom). In terms of cheapish fixes, replace the greys with a colour that compliments your floor and maybe regrout bathroom to have white grout so the lines are less jarring.
The kitchen doesn't look functional or finished - you've removed lots of counter space in favour of a massive fridge. You may need to spend some money to reinstate the countertop as a full run and get new neutral cabinets in.
Blocking off the entrance to the living room was a strange decision and will be off putting to some viewers as I'd expect to enter the living room from the hallway (as it was previously).
Some soft furnishings and plants in the inside will make it look more appealing, as would a nice big rug by the fireplace
Sadly I agree that the 2023 house seemed more appealing - I bought a 1970s doer upper on purpose so I could put my own stamp on the space guilt free. It feels wasteful to renovate a space that's already recently been done up so I avoided those. The old garden was lovely 🫠