The bar/hot tub wouldn’t put me off in the slightest, if anything I’d think, “happy days, most of the work’s been done to make this a potential home office”. Agree however that there should be some info on the scope of the storage space in the unconverted part of the garage.
Obviously price is a factor here and you’ve taken that on board, fair play. The short time you’ve had it would ring alarm bells for me, but short of hanging on to for a few more years there’s nothing you can do about that.
Getting the photos redone on a brighter day will help, and I would also ask the agent to relabel the bathroom photos with “master bedroom en-suite”, and “bedroom 2 en-suite”, as at first glance I thought it was the same photo appearing twice. Perhaps a small cosmetic change to further differentiate those rooms might be helpful for people like me who often discount based on photos and don’t always even get to the floorplan- I’m not talking about French Chic’ing your cabinets, but a distinctive plant or pictures would do.
The main issue for me personally would be that the shot of the back garden looking towards the parking/road makes the whole lawn/patio look very, very exposed. I’m not one to be bothered by being overlooked normally (I live in a new build estate ffs) but I saw that and thought, “so that’s why the hot tub is in the garage”. I would seriously consider getting some pleached trees planted to afford some degree of screening from the road.