Thirty details feel like none
A researched room is a temptation. You know the joinery, the saints in the glass, the price of candles and the Latin on the wall. Put all of it on the page and the reader sees a list, not a place. Lists are how the eye skips. The room becomes a warehouse of correctness that nobody is standing in.
Three details work because the mind completes a picture from a few sharp points and ignores a crowd of dull ones. Specificity is not the same as quantity. “A Tudor kitchen” is nothing. “Tallow, grit, wool that holds the rain” is a life.
Give each detail a job
A detail that only proves you visited a museum is still luggage. Choose one the viewpoint would actually notice in this mood — hunger notices bread, fear notices the latch, desire notices a bare wrist. Choose one that does social work: whose hands are clean, who may sit, what the fabric cost. Choose one that is slightly inconvenient or odd, so the reader trusts you are not decorating.
If a fact does not change how the scene feels or what the character can do, it belongs in your notebook. The notebook is allowed to be complete. The page is not.
Sensory, not a catalogue of nouns
Sight is the lazy sense in historical fiction, because paintings and museum labels are mostly sight. Smell, weight, temperature and sound are harder to fake and harder to skip. Tallow smells. Wet wool weighs. A quill scrapes. A street of horses is a sound before it is a picture.
Prefer a detail the body has to negotiate. Grit in the bread is not scenery; it is what the teeth do. Rain held in a skirt is not atmosphere; it is cold against the calf for the rest of the walk. The reader remembers what the character cannot put down.
The fourth detail is the one you cut
When a paragraph has four good facts, the fourth is usually the one you are proudest of, which is why it should go. Pride is how research leaks. Read the sentence aloud and remove the clause that exists to be admired.
You can spend a detail later. A room does not have to be finished on arrival. The second visit can reveal the crack in the plaster, once the reader has a reason to look up. Withholding is not coyness. It is sequence.
From notebook to page
Keep a research note and a page note as separate things. The research note may say: rushlights of peeled rush and mutton fat, cheaper than beeswax, held in an iron nip, smoky, about twenty minutes of light. The page note may say: the smoke caught her throat and she had less than a prayer’s length of light left.
That translation — from inventory to predicament — is the whole craft. If you cannot say what the detail does to the person in the room, you do not yet know why it is there.
Try this
Take one setting paragraph and strike it down to three facts. Make one of them something the body feels, one of them a mark of rank or money, and cut every fact that only proves the date.