New Life for Old Bones: The Challenges of Adaptive Reuse
With office vacancy rates at historic highs, the cry to "convert it to housing" is louder than ever. But adaptive reuse is not a simple swap. It requires a forensic understanding of the existing structure and a creative vision to solve complex physical constraints.
The Floor Plate Problem
Modern office buildings have deep floor plates (the distance from the core to the window). Residential code requires every habitable room (living room, bedroom) to have a window.
- The "Bowling Alley" Unit: Deep units result in long, narrow layouts that are hard to lease.
- The Solution: Cutting light wells into the center of the building or using the dark core for amenities (gyms, theaters, storage).
Plumbing and Mechanicals
An office building has one or two bathrooms per floor in the core. An apartment building has a bathroom and kitchen in every unit, spread across the entire floor. Coring through concrete slabs to run hundreds of new waste lines is expensive and technically difficult.
The Facade
Many 1980s office buildings have glass curtain walls that are energy inefficient and don't meet modern residential energy codes. Replacing the skin of a high-rise is often cost-prohibitive.
When Does It Work?
Adaptive reuse works best for:
- Pre-War Buildings: Older buildings tend to have thinner floor plates and operable windows.
- Historic Tax Credits: If the building is eligible, the 20% federal credit + 50-60% state credit can bridge the financial gap.
- Unique Aesthetics: Exposed brick, high ceilings, and industrial details create a product that commands a premium over generic new construction.
Feasibility Analysis
Before you buy that empty office building, let's look at the floor plans. I help developers assess the physical and financial viability of conversion projects.
About the Author
Ryan Goldfarb is a real estate development advisor. He has experience with complex adaptive reuse and historic preservation projects.