Steel Window Repair by Heritage Steel Window Repair
Most steel windows that stick, leak or rattle do not need to be replaced. The frames are rolled steel and were built to last a century; what fails is the paint, the putty, the hinges and the seals. We repair those parts in place so the window works again and keeps its original look.
Our crew works on rowhouses, twins, apartment buildings and commercial buildings across Philadelphia and the nearby suburbs. We bring the tools to straighten bars, free seized vents and replace glass on site, and we take sashes to our Port Richmond shop when they need bench work.
Common Steel Window Problems We Fix
A sash that will not close is usually a seized hinge or a frame bowed by rust building up behind it. We clean the hinge knuckles, replace worn pins and, where rust has pushed the frame out of line, cut the rust out and realign the steel.
Cracked glass, loose putty and drafts are the next most common calls. Old putty dries out and lets water sit against the steel, which is where rust starts. We remove failed glazing, treat the rabbet, prime it and reglaze with a putty made for steel.
What a Repair Visit Includes
Repair or Replace?
We tell you honestly when a window is past repair. That is rare. Replacement steel windows of similar quality cost several times more than restoring the ones you have, and the narrow sightlines of the original frames are hard to match with aluminum or vinyl.
If a frame has lost too much metal, we can often weld in a new section rather than replacing the whole unit. You get a written scope with options before any work starts.
How Long a Repair Lasts
A repaired steel window that is kept painted will last decades. We recommend a quick check every few years: look for cracked putty, peeling paint at the bottom rail and hinges that are getting stiff. Catching those early keeps the next repair small.
We serve Philadelphia, the Main Line, Bucks, Chester and Delaware Counties, South Jersey and Wilmington. Related services: window repair, steel window restoration, window restoration.
How Much Does Steel Window Repair Cost in Philadelphia?
Price depends on what the window needs, not on a flat per-window rate. As a rough guide: adjusting and freeing a stuck vent with new hinge pins is the smallest job; reglazing a sash with new putty and paint costs more; welding in new steel or straightening bent bars is at the top of the repair range. Published averages for general window repair in Philadelphia sit around $460 per window, with a wide spread between simple and complex work.
Full restoration of every window in a house is priced window by window after a survey. It still usually costs well under new custom steel windows of the same quality, which is why we recommend repair first. Your written estimate lists each window, what it needs and its price.
Permits, Historic Districts and Egress
Like-for-like repair of existing windows generally does not need a building permit, but check with Philadelphia Licenses and Inspections if you are unsure. Properties on the Philadelphia Register of Historic Places need Historical Commission review for exterior changes; repair in kind is usually the simplest path, and we provide photos and scopes for your application.
Bedroom windows may also be the required emergency exit. When we repair casements in bedrooms we make sure they open fully and that the hardware works from inside without tools.
Our approach follows the National Park Service guidance on historic steel windows (Preservation Brief 13), which recommends repairing steel windows rather than replacing them whenever the frames are sound.
Steel Window Repair Prices in Philadelphia
Starting prices for 2026 in our Philadelphia service area. Your final price depends on the number of windows, their condition and access, and is confirmed in a written estimate after a free on-site visit. No work starts without your approval.
Adjustment Visit
- Up to 3 windows checked
- Hinges cleaned and lubricated
- Latches adjusted
- Written repair notes
Standard Repair
- New hinge pins or hinges
- Bent bars straightened
- Glass and putty repaired
- Spot rust treatment and paint
Major Repair
- Rusted sections cut out
- New steel welded in
- Frame realigned and sealed
- Primed and finish painted
Price List
| Service | Price | Unit |
|---|---|---|
| Free vent / hinge service (in place) | $75 - $150 | per vent |
| Replace one pane of glass, reputty | $120 - $280 | per pane |
| Straighten bent muntin or sash bar | $150 - $350 | per bar |
| Replace casement operator | $140 - $260 | each |
| Weld-in repair at bottom rail | $250 - $550 | per sash |
| Reseal frame perimeter to masonry | $90 - $180 | per window |
Prices include labor and standard materials. Lead-safe work practices are included on pre-1978 homes. Travel outside our usual service area may add a trip charge, quoted in advance.
Recent Steel Window Repair Projects
Bay Window Steel Lintel Repair · Germantown, PA
The steel lintel over a brick bay had rusted and pushed the masonry out of line. We opened the wall, replaced the lintel, rebuilt the bearing and reset the bay roof.
Leaded Steel Casement Repair · Chestnut Hill, PA
Pair of leaded steel casements that no longer closed. New hinge pins, re-aligned sashes, replaced latch hardware and fresh weather seals.
Bent Sash Bar Straightening · Fishtown, PA
A muntin bar bent by a dropped object. We removed the sash, cold-straightened the profile on the bench and reglazed it without cutting the frame.
Basement Steel Window Replacement · Norristown, PA
Two rusted-through basement steel windows replaced with new sliding units, set in the original masonry openings and sealed against water.
Steel Window Repair FAQ
It depends on the number of windows and their condition. Simple adjustments and hinge work cost far less than a full restoration. We give a written estimate after we see the windows, and the visit itself is free within our service area.
Yes, most repairs are done in place. We only take a sash to the shop when it needs straightening, welding or full stripping.
Yes. We work on homes, apartment buildings, schools, churches and commercial buildings, and we can schedule work floor by floor to keep the building in use.
Get a free steel window repair estimate
Call (215) 555-0163 or send us photos of your windows.