How long do custom window treatments actually last in a New York City apartment?

Custom drapery and shades typically last 10–15 years in a Manhattan or Brooklyn apartment, but that's not the whole story. What actually matters is material choice, sun exposure, humidity control, and how hard your treatments work. In NYC, where we see everything from prewar radiators to floor-to-ceiling glass in Long Island City lofts, the real variables are specific to your building and your window.

Material choice is everything

A linen or linen-blend drapery in a west-facing Murray Hill bedroom gets hammered by afternoon sun and will show fading and fiber breakdown in 8–10 years. The same fabric on an east-facing Upper West Side apartment with a setback building across the street? Easily 15+ years. Motorized Somfy shades—our standard—have motor lifespans of 15–20 years; the fabric or shade material itself typically goes 12–15 years before wear becomes visible. Roman shades made from performance fabrics (solution-dyed polyester blends) outperform natural fibers in direct sun by 3–5 years. Woven wood shades are more vulnerable to humidity; in a high-moisture bathroom or near a kitchen in a Dumbo loft with industrial windows, plan for 8–10 years. We've seen clients in the Hamptons or Connecticut on the water replace woven wood every 6–8 years due to salt air and moisture.

From our experience: The single biggest variable isn't the material—it's whether your building gets direct southern or western sun. That matters more than the quality of the fabric.

— Glamour Decorating, from 30 years of NYC installs

NYC humidity and air quality work against you

This is the reality nobody talks about. Manhattan air contains soot, salt spray from the Hudson and East Rivers (especially in Battery Park, Tribeca, and DUMBO), and industrial particulates. Brooklyn Heights and Prospect Heights residents deal with humidity swings from old building systems and exterior moisture. That dust settles on your drapery and shades, and if you're not cleaning them annually, the grit gets ground into fibers during sun movement and thermal expansion. Motorized shades actually help here—they move consistently and predictably, which is gentler than manual operation. Roman shades in high-humidity areas (near bathrooms, kitchens, or buildings with steam heat) can develop mildew or fabric stiffening by year 10 if there's no air circulation. We recommend annual professional cleaning for drapery in Manhattan, and every 18 months for shades in humid Brooklyn brownstones.

Motorized shades: longer hardware, variable fabric lifespan

Somfy motors we install last 15–20 years under normal use. The tracking, brackets, and wiring are built to last longer than the shade fabric itself. What fails first is usually the fabric—fading, wear at the seams, or thermal stress from constant sun exposure. In a Long Island City glass-heavy loft with full-wall motorized Roman shades, we typically see the motor system outlast the original fabric by 5+ years. The advantage: you can replace just the shade fabric and reuse the motor, which costs 40–50% less than a full replacement. This is especially valuable for clients in the Hamptons with seasonal homes where shades are cycling through temperature swings. Plan to refresh motorized shade fabric every 10–12 years in high-sun situations, keep the motor hardware.

Motorized shades give you flexibility—the motor lasts, the fabric doesn't have to.

— Glamour Decorating, from 30 years of NYC installs

Drapery longevity: lining is the insurance policy

Unlined drapery in direct sun fails fast—5–7 years for noticeable fading and brittleness. Lined drapery (we do blackout, thermal, and insulating linings in-house in Brooklyn) extends fabric life to 12–15 years. The lining also protects the face fabric from UV damage and reduces thermal stress from temperature swings between heated apartments and window glass. In prewar buildings with single-pane windows and radiators running hard (Murray Hill, Carnegie Hill, Brooklyn Heights), lined drapery is essential. Double-lined drapery can push 15–18 years if the building has good sun control. We've had clients with 20-year-old silk drapery on north-facing walls because there was no sun exposure and stable humidity. Drapery also needs proper cleaning every 3–4 years in NYC; this removes accumulated dust and prevents fiber embrittlement.

Good lining isn't an upgrade—it's the primary investment in durability.

— Glamour Decorating, from 30 years of NYC installs

Installation quality determines how long treatments perform

Poor installation—undersized brackets, incorrect tension on tracks, motorized shade misalignment—can cut lifespan by 30–40%. We've seen motorized shades with sagging cords or binding side tracks fail by year 5 because the motor is working harder than designed. Custom-fit treatments matter in NYC because our windows are irregular. A Tribeca loft might have floor-to-ceiling windows with unusual depth; a Brownstone in Park Slope has sloped ceilings and window recesses that demand precision. Our in-house Brooklyn fabrication and installation team builds with the wall structure and thermal conditions in mind. Proper brackets, tension, and clearance add years. We also account for your building's HVAC and humidity patterns during installation—this extends shade and drapery life significantly.

Installation quality is the difference between 8 years and 15 years. Period.

— Glamour Decorating, from 30 years of NYC installs

Real factors that shorten lifespan

Direct south or west sun exposure ages everything 20–30% faster. Pet claws on lower shades in Manhattan apartments reduce lifespan by 2–3 years. Inconsistent cleaning or allowing dust buildup causes abrasion damage. Thermal shock—a wall of glass that goes from 45°F on a winter night to 75°F during the day—stresses fabric and motorized components. Buildings with humidifiers running year-round can cause humidity fluctuations that weaken fibers. Phantom Screens and other operable systems add daily wear cycles; we design them for that load, but they require more maintenance. If you have children or pets, or live in a high-sun building, you're looking at the shorter end of the 10–15-year range. If you have a north or east-facing apartment in a well-managed building with stable humidity, you might hit 15–20 years on quality drapery.