Cost guides › Guides & news › Roofs, windows & exterior

Guide

Garage Door Repair or Replace? How to Decide on Cost

A broken spring or dead opener rarely needs a new door — here's when repair pays off and when replacing the whole unit is the smarter spend.

A broken spring, a dented panel or a dead opener motor almost never means you need a whole new garage door. In most cases a repair bill runs to a few hundred dollars, against a full replacement that typically costs around $2,300 fitted ($1,800 – $2,950 is the usual range, including GST). The decision comes down to what's actually broken, how old the door and track are, and whether the problems are starting to stack up.

Start with what's actually wrong

Garage doors fail in a handful of predictable ways, and they don't all carry the same price tag:

  • Broken torsion spring or snapped cable — a common, fairly cheap fix. These are also dangerous to handle yourself, since a loaded spring can cause serious injury; always call a licensed garage door technician.
  • Dented or cracked panel — on a sectional door, a single panel can often be replaced without touching the rest of the door, as long as the model is still in production.
  • Dead or sluggish opener — motors, circuit boards and remotes wear out well before the door itself. Swapping just the opener is far cheaper than replacing the door.
  • Door off its tracks, misaligned rollers — usually a straightforward adjustment.
  • Rust, rot or warping in the door itself — this is where repair stops making sense, because the panels are failing, not just the hardware around them.

If the problem sits in the hardware — springs, cables, rollers, the opener — repair is almost always the right call. If the panels themselves are rusting, delaminating or badly warped, you're repairing a door that will keep failing.

When replacement is the better value

Three signs point to replacing rather than patching:

  1. The door is old and the model is discontinued. If a panel or track part is no longer made, a technician may have to source a used or mismatched part, which rarely looks or seals as well as new.
  2. You're paying for repairs more than once every couple of years. Recurring call-outs add up, and a door that's failing in multiple places is telling you it's near the end of its life.
  3. You want better insulation, security or looks, not just a working door. A worn roller door, for example, can be swapped for an insulated sectional door — $3,150 — which cuts noise and heat loss from an attached garage far better than patching the old one.

As a rule of thumb: if a repair quote comes in above roughly half the cost of a new basic door — $1,600 for a simple like-for-like replacement — it's worth getting a second opinion and a replacement quote alongside it, rather than assuming the cheaper-sounding fix is actually the better value over time.

What replacement actually costs, by door type

Our

Material Typical Usual range Lifespan
Colorbond roller door $2,300 $1,800 – $2,950 –
Colorbond sectional door $3,050 $2,400 – $4,000 –
Insulated sectional door $3,150 $2,450 – $4,100 –
Timber-look sectional door $3,750 $2,950 – $4,900 –

table breaks down typical cost, usual range and lifespan by door type, but as a guide: a basic Colorbond roller door sits at $1,600, while a $3,050 is the more common mid-range swap, and a timber-look sectional such as $3,750 sits at the premium end. Widths matter too — a double door costs meaningfully more than a single, since both the panel and the track double up.

Full details, including how opener type and removal of the old door affect the price, are in our Garage door.

Hidden costs people forget

A few costs catch people out on both sides of the repair-or-replace decision:

  • Electrical work on the opener circuit. If you're adding a new electric opener where there wasn't one, or upgrading the circuit, that's licensed electrician's work under state licensing rules — it isn't optional, and it's a separate line item from the door itself.
  • Disposal of the old door. Replacement quotes should specify whether removal and disposal of the existing door is included; if it isn't, add it on.
  • Track and frame condition. A new door on an old, out-of-square frame can fail early. If your technician flags the frame as the real problem, a repair to the door alone won't fix it.
  • Matching the house. If you're also tidying up the driveway or exterior at the same time, it's worth checking our New driveway guide so the garage door and the surrounding hardscaping get budgeted together rather than as two separate surprises.

How we work this out

Our repair-versus-replace comparisons start from labour hours and local trade rates plus materials for a full replacement, then check that against market pricing and real quotes from the field — the same method behind every Garage door figure on this site. We don't model repair pricing directly, since it varies too much by fault and by door brand, but weighing a repair quote against the replacement benchmarks above gives a fair sense of whether you're looking at a bargain fix or a false economy.

If you already have a quote in hand — for a repair or a full replacement — our "is my quote fair" tool is a quick way to check it against what similar jobs are costing elsewhere before you commit.

More from the desk