Hanging wallpaper in a prewar New York apartment

Wallpaper behaves differently in a New York prewar apartment than in a new-construction condo, and pretending otherwise is how projects go sideways. The building stock the city prizes most, solid prewar apartments with high ceilings and real rooms, comes with a specific set of conditions that shape what you can hang and how.

Start with the walls themselves. A classic prewar apartment has plaster walls, not the drywall of newer construction. Plaster is hard, often slightly irregular, and sometimes carries decades of paint layers, patches, and old repairs. It can be a superb surface for wallpaper once properly prepared, but it usually needs that preparation: skim-coating to even out the surface, and in many cases a lining paper, a plain undercourse hung first, to give the finish wallpaper a uniform, absorbent base and to bridge the small imperfections a hundred-year-old wall has earned.

Then there is the ownership structure, which is more particular in New York than almost anywhere else. Most prewar apartments here are cooperatives rather than condominiums, and that distinction matters for renovation. A co-op is governed by a board through an alteration agreement, the building's rules for what work is allowed, when contractors can be in the building, which elevator they use, insurance the installer must carry, and what has to be approved in advance. A condo is generally looser about interior finishes. Wallpaper itself is rarely something a board objects to, but the logistics wrapped around it, especially freight-elevator hours and contractor insurance, can dictate the schedule as much as the material's lead time.

Finally, scale. New York rooms are often smaller than the rooms wallpaper is photographed in, and a small prewar room with a big repeat can feel either jewel-like or overwhelming depending on how carefully the pattern is chosen. Powder rooms, foyers, and the backs of built-in bookcases are the classic New York moves precisely because a small, enclosed surface is where a dramatic wallpaper pays off without swallowing a room you also have to live in.

A note that saves grief later: if the building is an individual landmark or sits in a historic district, exterior and sometimes lobby work can fall under the Landmarks Preservation Commission, but wallpaper inside a private apartment does not. The constraints on your dining-room walls come from the co-op board and the century-old plaster behind them, not from the city.