Commercial · Historic Cast-IronGreene Street, SoHo, Manhattan, NY

SoHo Historic Cast-Iron Flagship Atelier

Landmark Restoration & Commercial Boutique Renovation

LPC Approved

Landmarks Commission Unanimous Sign-Off

Project Parameters

Square Footage3,600 sq ft

Execution Timeline5 Months

Borough / DistrictManhattan

Regulatory OversightNYC DOB & LPC Approved

Request Similar Project Scope

SoHo Historic Cast-Iron Flagship Atelier

Field Photo: SoHo Case StudyGeneral Contractor: Green Building Construction LLC

01 / The Condition

Site Constraints & Engineering Challenge

Transforming a historic 1870s Greene Street cast-iron boutique with failing vault lights, 16-foot original ceilings, and strict LPC historic landmark preservation rules into a contemporary luxury flagship ahead of New York Fashion Week.

02 / Execution

The Construction & Field Strategy

Non-destructive dry-ice and walnut-shell blasting of ornate fluted cast-iron columns; structural restoration of historic sidewalk vault prism lights; subfloor hydronic radiant heating installed under reclaimed longleaf yellow pine.

Key Technical Details

Historic cast-iron column capital restoration matching 1870s architectural catalog molds

Restoration of sidewalk cast-iron vault lights with structural concrete framing

Low-profile subfloor hydronic radiant heating maintaining original floor elevation reveals

Silent displacement ventilation ducts hidden within display island plinths

03 / Specifications

Materials & Structural Specifications

Flooring150-year-old reclaimed Longleaf Heart Pine planks with natural beeswax finish

Wall PlasterBreathable Roman clay in bespoke warm neutral tones

MetalworkCustom architectural bronze storefront details and hand-forged pulls

CoatingLPC-approved high-durability historic enamel for cast-iron exterior

04 / Verified Metrics

Documented Project Results

Secured unanimous approval and Certificate of Appropriateness from NYC LPC

35% reduction in winter heating energy via hydronic floor heat distribution

Turned over on schedule for New York Fashion Week international press debut

All sidewalk vault lights restored and sealed against water intrusion into the cellar

Visual Documentation

Field Progress & Finished Details

Restored SoHo boutique interior featuring 16-foot ceilings, fluted columns, and radiant heart pine flooring.

Cast-iron facade ornamentation stripped of lead paint, restored, and recoated with historic-formula enamel.

Vault light glass prisms in sidewalk restored with structural cast-concrete framing.

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