Graduations in Graphite: Reading a Kitchen Doorframe as Domestic Register

The marks begin some forty centimetres above the skirting, in a hand that is not quite steady: a short horizontal stroke, and beside it a date and a single initial. Further up, the strokes thicken, the dates crowd together, and the initials multiply. By the time the eye reaches the height of an adult's shoulder, the architrave has become something other than a piece of joinery. It has become a record.

Height charts are among the most common and least examined documents in British homes. They are made casually, in kitchens and hallways, usually without ceremony and almost never with the intention of preservation. Yet they satisfy most of the conditions an archivist would ask of a register: a fixed datum, a consistent measure, contemporaneous entries, and a sequence that can be read in order. The fact that the compilers did not think of themselves as compiling anything is, on the whole, an argument in their favour.

A register kept in graphite

The physical support varies more than one might expect. In older properties the marks often sit on a painted architrave beside the hinge, where the wood is broad and the light is reasonable. In newer houses they may be on plasterboard, on the back of a door, or on a strip of wallpaper-paste-fixed lining paper that was always intended to be temporary. Pencil predominates, because it can be corrected; biro appears where a parent was in a hurry, and crayon where a child took over the ceremony. The layering is instructive. One can usually see where an earlier mark was rubbed out and replaced a centimetre higher, and where a later hand has gone over a faded entry to make it legible again — an intervention that is itself a kind of annotation.

The ordinary apparatus of measurement is absent. No one uses a steel rule or a spirit level. The child stands against the frame, heels together, and an adult makes a mark with whatever is to hand, sometimes resting a book on the crown of the head to keep the line true. The result is a record with an error margin of perhaps a centimetre, and a consistency that no formal survey could match, because it was made by the same two or three people in the same place over many years.

The arithmetic of siblings

Read a chart with more than one child on it and the social history becomes apparent. The first child's entries are dense: monthly in the early years, then quarterly, then annual, then a gap. The second child's record is thinner and starts lower down, because the novelty has worn off. Where siblings are close in age, the marks begin to compete. One finds paired entries on the same date, with the taller child's mark placed just above the other's, and occasionally an arrow drawn upward in a later hand, as if the matter required settling.

The frame also admits people who are not children. A grandparent measured against a grandchild, a visiting cousin, a neighbour's boy who happened to be in the kitchen on the right afternoon. These entries are often marked with a different initial or a small cross, and they disclose something a photograph would not: that the household was porous, that other people came in, and that they were included in the ritual on the same terms as everyone else.

What the photographs cannot show

A photograph of a child at four years old is a record of the child. The doorframe is a record of the relationship between the child, the house and the passage of time, and it is the only one of the two that was made at the moment it describes. Family photographs are usually dated afterwards, by guesswork or by the processing envelope; pencil entries carry their own date, written by the person who was present.

The frame also records the building. The ghost of an earlier skirting line, a filled-in hinge rebate, a patch of newer plaster where the architrave was replaced after a leak: these are visible in the same surface and can be correlated with the dates. Where a chart has been carried from one house to another, cut out and rehung or simply started afresh on a new frame, the break is usually obvious — the marks do not continue, they restart at a lower level, and a second datum is established.

Transcribing the marks

Before any tin of paint is opened, a methodical record should be made. Photograph the whole run in raking light — a torch held low and to one side will reveal the impressed pencil that a direct flash flattens. Include one wide shot showing the door, the frame and the floor, so that the position is unambiguous, and then a sequence of overlapping close shots at a consistent distance, with a 300mm rule or an A4 sheet in frame to give scale. Note the date of capture and who took the photograph. If the marks continue around the edge of the door, photograph it open and closed.

A transcription is worth more than a photograph, because it can be read and searched. A simple table will serve: height in centimetres, name or initial exactly as written, date exactly as written, medium, legibility, and position measured from a stated datum. Keep a plain-text or spreadsheet copy, store it in two places, and print one of them. Digital files migrate; paper in a drawer survives neglect remarkably well.

Conservation without fetish

A height chart is not an antiquity and should not be treated as one. Fixatives and varnishes applied to pencil on paint frequently darken the graphite and yellow the ground, and they cannot be undone. Low-tack tape on a water-based paint may lift the paint when removed. A rubbing is unreliable on textured or gloss surfaces. If redecoration is unavoidable and the frame is the household's own, cutting out a section is possible, but it destroys the context that gives the marks their meaning and often takes the plaster with it. In rented accommodation the decision is not the tenant's to make, and restraint is the better part of practice.

What remains, in most cases, is description. A frame that has been photographed, measured and transcribed has been preserved in the only sense that matters: the information is out of the building and can be consulted. The chart on the architrave will go in time — paint, damp, a new door, a sale — and it will go quietly, as it was made. The least we can do in 2026 is write down what it said while the pencil is still legible, without turning a kitchen door into a shrine.