Be careful with newly-built properties. These often command a significant price-premium. Not only that, but you may also find that the developers have tried to maximize profits:
Rooms smaller, so the property can be advertised as having more rooms;
reduced clearance between neighboring properties, so that more homes can be built on the same land.
Cheapest possible 'hidden' fittings - e.g. HVAC, water heating, etc. which may have inadequate performance
Lots of nooks, crannies, ledges, etc. where the room goes around obstructions like the building frame - whereas previously, the frame would go between rooms, and the rooms would have flat walls, albeit thick ones. You'd be amazed at how difficult this can make installation of curtains, wardrobes, etc.
I've seen examples of all of these: 'bedrooms' that were so small, you could not put a single bed in without removing the door.
Houses so close together that if you wanted to move a bicycle into the back-garden, you'd have to do it through the house because it wouldn't go around.
3 bedroom apartments, with 'off-peak' discounted electricity water heating, but only a 130 litre hot-water tank. The heater spent more time on 'full-price override' than in normal mode.
You may want to look more closely at older properties - these are often much cheaper, have bigger rooms, and if there is someone living there, you get an impression of how the rooms can be furnished.