What Preservation Review Governs and What It Leaves Open

Plenty of owners treat landmark status as a sentence of stasis, and Michael Stern wrote “What Preservation Review Governs and What It Leaves Open,” posted to Medium on 14 September 2026, to argue that this reading costs conversion teams real money. He addresses developers, designers and zoning practitioners deciding whether a protected building holds a viable project at all.

The core claim is that review applies two tests, both narrower than the worry around them: what the designation actually names, and what someone on a sidewalk or in a park can see. The gap between tests and dread, he says, decides a conversion.

He begins with the instrument. A designation has a written scope, which may cover an exterior, an exterior plus a named interior, a single facade, or a site. Reading it closely with a heritage adviser is, in his view, the cheapest hour on the job; teams instead defer to reputation and accept limits nobody imposed. The commission’s own outline of designation shows how that text arises: researchers draft a report, owners may comment, and six commissioners must vote in favour.¹ Interior protection is rarer than many assume; Worth Preserving notes that interiors form a tiny fraction of the city’s landmarks and qualify only if routinely accessible to visitors.³

Next comes visibility. Review weighs what the public sees: the face, its materials, the seam between new and old, and whether the new work looks fitting. Hence submissions built from view studies, specimens of stone or metal, and big drawings of each seam. The Architect’s Newspaper calls commission meetings a rare occasion when architecture is reviewed, debated and revised before a public body.⁵

Then comes what review does not reach. Where protection covers only the outside, the unseen parts, such as floor stacking behind a kept wall, apartment layouts, service routes, the frame and mechanical space, sit largely outside the commission’s attention. Measured by cost, he says, that share is nearly the whole building.

He names two of his own projects in this context: Walker Tower, a Ralph Walker Art Deco telephone building conversion, and The Brooklyn Tower, Brooklyn’s first supertall, rising from the landmark Dime Savings Bank.

He also keeps preservation apart from zoning; fusing them into one anxiety makes teams assume the stricter answer everywhere. His contrarian point: teams curb their ambitions well beyond what the commission would demand, at more cost than review. A Museum of the City of New York exhibit page notes owners’ long complaints about the cost of complying with the 1965 law.⁶

The limits he names are human and physical. Fitness is judged by a panel whose membership shifts over a long project, so he favours restraint on the public face and ambition where nobody looks; Architectural Record quotes a preservation scholar calling the law’s test of significance deliberately vague.⁴ Hyperallergic notes that a small, thinly funded commission oversees thousands of sites.² And tying a new frame into aged fabric takes time and money, since old material moves differently and was built loosely.

He closes by warning against acting on a blog post, since scope, procedure and timing vary by property, and names three advisers to hire early: a preservation specialist before design, zoning counsel for the timetable, and an engineer before any promise about what the old structure can bear.