My biggest critique is on texturing. They look flat by lacking contrast. The presentation could also use some work with a more interesting lighting setup. The modeling looks pretty solid.
I agree with @kohg The models are solid but the texture is boring, because it's a stylized project, work stronger with coloured AO pass, use gradients and add highlights to make the wooden pieces moore pop out even from the distance.
More work toward the textures might help it out more, the wood lines look like quick dam standard brushed, like quick to get it out to make that $. Quality makes all the devs come to your yard.
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The modeling looks pretty solid.