The woman they mocked at the gala for her off-brand dress was the owner of the building

The Halloway Winter Gala was held, as every year, in the Halloway Atrium — a glass hall that belonged, though the programme never mentioned it, to one private landlord.

The woman on the stairs wore green velvet that had clearly been loved for a decade, shoes that had clearly walked to get there, and no jewellery at all.

The women at the champagne table wore this season. They had a word for the velvet: “vintage,” said the way a closing door sounds.

She heard it. She was meant to hear it. She stayed on the stairs anyway, listening, with the patience of someone reading a report she had commissioned.

Because she had, in a sense, commissioned it. Mara Ellison had bought the Halloway Atrium eleven years earlier, cash, from the receivership of the family that built it, and she had kept the gala’s lease at the old rate for eleven years, out of sentiment she no longer fully understood.

At nine o’clock the gala chair tapped the microphone to thank “our generous venue partners,” a phrase the programme had never once expanded.

Mara walked down the stairs then, and asked — politely, into the microphone — whether she might add a thank-you of her own.

“My name is Mara Ellison. I own this building. I have owned it for eleven years, at a rent your committee negotiated in 2015 and has not raised since, because nobody ever asked who to ask.”

The velvet, she explained, was from her first winter here. She wore it on purpose, one night a year, to see whether the room would pass its own inspection.

The gala committee, to its credit, laughed first — the laugh of people caught being exactly what they were. Then the chair asked the only question that mattered: “What would you like to change?”

“One thing,” said Mara. “Next year, the gala funds a wardrobe fund, for the staff. They have dressed this room beautifully for eleven years. It is time the room dressed them.”

The fund was announced in the spring. Mara wore new velvet — green, of course. Everyone said it was the best-dressed year on record.