The first step will be to identify which all pieces are damaged and requires replacement.
Update parquet flooring.
Of the floors are made or parquet and require and update they can be done easily without much trouble.
Choose a satin finish for an in between matte and gloss.
A foolproof way to bring parquet floors up to date is to strip and stain them a rich dark walnut.
I think the scale of the tile makes the parquet look tiny and busy.
If only a few of the pieces are damaged pry them out and replace them with a new tile.
Also in the mix are the creative efforts of the family run uk based parquet company mckay flooring ltd who are doing fun things like delineating different areas of a room by mixing ceramic and wooden parquet tiles on the same floor and updating traditional herringbone parquet by using different colored or painted blocks.
Most people nowadays are leaning more toward plank hardwood.
You can purchase a ready tinted sealer in various colours or purchase a clear sealer and mix in your own stain.
It could go a long way to making the floors look more cohesive.
The run of the mill parquet flooring often found in 1960s and 1970s apartment buildings is not what today s buyers usually want.
You may be able to have he floor refinished to a lignter shade but it will be expensive and it will still be a parquet floor next to tile.