Two sitting room photographs of what appears to be the same room, taken a long interval apart. The archive gives no date for either, and no names. The estimate of roughly forty years between them comes from the photographs themselves rather than from any record, and should be treated as an estimate.

What stayed
The architecture, obviously, but also a surprising amount of the furniture. A sideboard along the same wall. A chair that appears in both, reupholstered at some point between them. The position of the table relative to the window is unchanged.
Rooms are more conservative than the people in them. The things that are heavy and expensive stay, and everything else moves around them.
What changed
The patterned carpet in the earlier image has gone, replaced by something plainer. The pictures are hung differently, fewer and higher. A standard lamp has appeared in the corner.
The later room is emptier, and reads as lighter even in monochrome. Whether that reflects a change in taste, in income, or simply in who was living there is not something the photographs can answer.
Why the pair of sitting room photographs matters
A single photograph of an old room is a style reference. Two of the same room is evidence of how domestic space actually changes, which is slowly, unevenly, and mostly by subtraction.
Very few households redecorate completely. They replace the thing that wore out, move a chair, take down half the pictures, and after four decades the room is unrecognisable without anyone having planned it.
A note on the record
Anyone able to identify the room, or to correct the assumption that both photographs show the same one, is invited to get in touch. The archive is better for being questioned.
