Dont worry be happy.
in perusing many of my rr books on narrow gauge, as well as visiting many old Colorado mining towns, the size variations are seemingly reflected in life. There were even large tents , with or without falsefronts, in boom towns.
it seems, less expensive , small wooden , 1 story+, false front buildings were common in the early development of towns, and, as wealth and population increased, larger brick buildings came about. First public buildings like courthouses and jails, schools, then retailers.
fire was common so wooden building didnt always last. But some did.
im not saying the piko ‘runts’ are totally appropos, but, rule 8. Bakery, small saloon, hat shop, etc., I like these, and they can be dressed up a bit. I use corrugated metal sheets for roofs on some. These pleasant town series btw, are not weather worthy. I paint the sides raw, weathered wood, and then a nice facade paint job. I suppose one could clad the sides with rough stacked stone plastic overlays, which was bery common in mountain towns.
to combine the two or 3 pola piko types is, imho, reflecting the transition Of a town from fledgling to established.
i actully like the contrast. I use my piko toy building to use in smaller spaces, side streets, small land lots, tiny businesses.
the pola larger wood buildings, well are larger. And painfully cookie cutter, especially, imho, signage.
These are simply oddly shaped, imho, narrow but very deep. I have seen somewhat similar buildings in Georgetown and Silver Plume Colorado. Awnings and signs can help a bit, i think. And, most importantly, paint, like matching the mullions to the frames, or, a more Victorian type of paint scheme. Also, changing roof colors from the monotone grey helps. I have even shifted the side stairs and extended as well as cut down back porches to the second story back door a bit to add interest.
Im generally a bit lazy, and resistant to extensive mods due to cost and durability, so i do little things, like paint. Grandt line 1:24 windows are great, really change the poloa/piko peek-a-boo windows, but cutting the walls and getting a plausible fit is either a pita, or, not possible without major work. Corbels and cornices help too.
add the piko 2 story brick buildings, and imho, youve got a prospering , late 1800’s western town.