Six failure points decide whether a crystal chandelier is worth repairing: bulb holders, wiring insulation, missing crystals, frame joints, finish, and the ceiling fixing. If the frame is straight and the fixing is sound, repair is usually the cheaper path. If the frame is bent or the wiring is brittle where it leaves the canopy, replacement is safer.
The six failure points, in the order they usually appear
Age shows up in a predictable order in a chandelier that has been in service, and the order matters more than the calendar. Bulb holders go first, because they carry the heat of a 40 W lamp and hold a screw shell that oxidises. Wiring insulation follows, because the same heat hardens it where it bends at the canopy. Crystals are lost through handling rather than wear, one or two at a time, usually during cleaning. Frame joints fail last, and when they fail it is visible: an arm that no longer sits square to the body. Finish is cosmetic until it reaches the point where plating lifts and the base metal starts to corrode. The ceiling fixing is not the fixture at all, yet it decides the outcome more often than the other five, because a sound chandelier on an inadequate box is a demolition waiting for a date.
| Failure point | How it shows up on inspection | Cheapest correct fix | Replace instead when |
|---|---|---|---|
| Wiring | Insulation hard and cracking within 100 mm (3.9 in) of the canopy | Re-wire the harness to the canopy | Cloth-covered or fabric-wrapped original wiring with no marking |
| Crystals | Missing drops, chipped edges, mismatched colour | Matched replacement drops, 10 percent spare | Loss above roughly 30 percent of the dressings |
| Frame joints | Arm out of square, joint play when the body is lifted | Re-braze or re-pin a single joint | Two or more joints on a cast body |
| Finish | Plating lifting at high-touch points, green corrosion on brass | Local re-plate or a wax barrier | Full stripping needed across the whole body |
| Ceiling fixing | Box movement, cracked plaster around the canopy | Listed box plus independent support | The ceiling structure itself cannot take the load |
Bulb holders: the fault you can hear
A bulb holder fails before it looks failed. Hold the fixture still and tap each lamp; a holder with a cracked shell or an oxidised contact will flicker, and the flicker is the diagnostic. The two bases that matter in decorative fixtures are candelabra E12, with a 12 mm (0.47 in) shell, and medium E26, with a 26 mm (1.02 in) shell; European equivalents are E14 at 14 mm (0.55 in) and E27 at 27 mm (1.06 in). Candelabra holders in decorative fixtures are usually rated 40 W at 120 V, and that rating belongs to the holder, not to the lamp you choose. A 4 W to 5 W LED candle lamp that produces 400 lm to 470 lm sits well inside that rating, which is why the rewire that follows a failure so often converts the fixture to LED at the same time. The base types we build to, and what each one takes, are listed in crystal chandelier bulbs, sockets and lumens.
| Base | Shell diameter | Typical lamp it takes | Where you meet it |
|---|---|---|---|
| E14 small Edison | 14 mm (0.55 in) | Candle lamp, 40 W, 230 V markets | European-specification chandeliers |
| E26 medium | 26 mm (1.02 in) | A19 or globe, up to the holder rating | Larger pendants and single-drop fixtures |
| E27 medium Edison | 27 mm (1.06 in) | A60 or globe, 230 V markets | European-specification pendants and chandeliers |
Two details decide whether a holder swap is a repair or a rebuild. The first is how the holder is mounted: a holder on a threaded nipple and a knurled nut comes off with two tools, while a holder moulded into a cast arm does not come off at all, and forcing it cracks the arm. The second is the wire tail: holders are supplied with 150 mm (5.9 in) leads or with screw terminals, and a fixture wired with screw terminals needs the harness re-terminated rather than a plug-in replacement. If neither detail matches, the honest answer is that the arm assembly is the part being replaced, and the cost moves from parts to labour.
Wiring: the fault you cannot see until it is open
Wiring is the part of a chandelier that ages without any outward sign, which is why an inspection should always include opening the canopy. In North American luminaires, fixture wire is commonly 18 AWG, about 0.82 mm², and that is the smallest size used for fixture wiring; a re-wire that arrives with thinner wire is a warning about the shop doing the work. The failure is thermal, not electrical: insulation hardens where it bends sharply at the canopy and at each arm entry, and once it cracks, the conductor is exposed inside a metal body. On a 120 V 60 Hz supply the shock risk sits at the socket shell; on a 230 V 50 Hz supply the same fault is more dangerous because the potential to earth is higher. A ground conductor that ends at the canopy without a firm mechanical bond to the frame is the other defect worth checking.
- Isolate the circuit at the breaker and confirm it is dead at the fixture before the canopy comes off.
- Open the canopy and bend the wiring at the point where it enters; cracking means the harness is finished.
- Check that the ground conductor is bonded to the metal frame, not only to the canopy plate.
- Confirm the holder ratings match the lamps that will be fitted, counting watts per holder.
- Check the dimmer against the lamp type, because a leading-edge dimmer on a retrofit LED load will buzz or drop out at low output.
- Record the supply voltage and frequency before ordering any replacement parts.
A harness that is sound can carry a fixture for years, and a harness that has cracked at the canopy cannot be patched with tape in a way that survives the next cleaning cycle. That single point, more than any cosmetic defect, is what turns a repair quote into a replacement decision.
Crystals: matching is harder than replacing
A missing crystal is not a spare part in the way a bulb holder is, because crystals are bought in lots, and lots do not match across years. The two families behave differently. K9 optical glass is a dense barium-based glass cut for sparkle, and lead crystal contains lead oxide, conventionally 24 percent or more, which raises refractive index and weight. A replacement drop of the wrong family reads as slightly duller or slightly greyer next to its neighbours, and the difference is obvious in a row of eight. The attachment decides what a replacement has to be: a pin fitting needs a hole of the same diameter, a clip fitting needs the same clip gauge, and a ring or jump-ring fitting needs the same ring bore. Colour also drifts, because the same nominal clear glass reads warmer or cooler between production runs. The glass families behind those differences are compared in chandelier materials: K9 crystal, alabaster and brass.
| Attachment | What the replacement must match | What goes wrong if it does not |
|---|---|---|
| Clip fitting | Clip gauge and jaw opening | Drop sits proud of the frame or will not seat |
| Jump ring | Ring bore and wire gauge | Drop swings and chimes against the arm |
| Chain-hung drop | Link size and hook gauge | Drop twists and reflects light at the wrong angle |
| Screw-fixed drop | Thread pitch and length | Drop cannot be tightened without cracking |
Practical arithmetic helps here. A fixture with 120 dressings that has lost 12 of them is missing 10 percent of its dressings, and ordering 10 percent spares at the time of any restoration is the difference between a fixture that stays complete and one that is chased for years. Loss above roughly 30 percent of the dressings is where matching stops being economical: at that point the fixture is being re-dressed, not repaired, and the budget belongs in the replacement column. Handling during cleaning is where most of that loss begins, and the method that avoids it is set out in cleaning and maintaining a crystal chandelier.
Frame, arms and finish: where the verdict is usually settled
The frame is the part that decides the whole question, because everything else can be renewed and a bent frame cannot be made straight again without visible evidence. Stand the fixture on a flat surface, sight along the arms, and lift it by the body: a frame that rocks, or whose arms do not return to the same position after a light push, has joint movement of 1 mm (0.04 in) or more. Brazed brass joints can be re-brazed by a metalworker, and a single re-brazed joint is usually invisible after finishing. Cast bodies are different, because a crack in a casting propagates, and two cracked joints on the same casting mean the fixture is being held together rather than repaired. Finish is the cheapest item to live with and the most expensive to restore properly: plating is stripped and re-applied across the whole body, never spot-repaired, because a patch will read as a patch under raking light.
- Straight frame, sound joints, one or two cosmetic defects: repair, and the fixture keeps its original proportions.
- Straight frame, lifted plating across the body, no other faults: repair only if the fixture has value beyond its size.
- One cracked cast joint: repair with a specialist, and expect the joint to be pinned rather than welded.
- Two or more cracked joints, or arms out of square: replace, because the geometry will not come back.
- Frame sound but the finish is lead paint of unknown age: do not sand it in the house; that is a containment job, not a repair.
The ceiling fixing decides more cases than the fixture does
The fixing is the part of the installation nobody photographs, and it is where a repair decision should start rather than end. An outlet box listed for fixture support is commonly rated between 15 lb (6.8 kg) and 50 lb (22.7 kg), and above the box rating the fixture needs independent support from the structure rather than from the box. A chandelier that has hung for 20 years on an unrated box has not proved the box is adequate; it has only proved that the load has not yet been applied to a weakened part. Plaster cracking in a ring around the canopy, a canopy that moves when the fixture is touched, or a box that deflects under hand pressure are all reasons to stop and have the ceiling opened before any money goes into the fixture itself.
| What you find at the ceiling | What it means for the fixture | What to do first |
|---|---|---|
| Plaster cracked in a ring at the canopy | Long-term movement, possibly a sagging box | Open the ceiling and inspect the box and its fixing |
| Box rated below the fixture weight | The installation is non-compliant as it stands | Re-fix to structure before repair is considered |
| Box sound, fixture weight unknown | You cannot size the fixing | Weigh the fixture, then compare with the box rating |
| Ceiling is plasterboard with no accessible structure | A heavy fixture cannot be supported there | Choose a lighter fixture or add a spreader to joists |
This ordering also protects the repair budget. Re-wiring a fixture that then cannot be hung safely is money spent in the wrong sequence, and the sequence costs nothing to get right. The load arithmetic behind the box rating is set out in chandelier weight and ceiling load.
Repair against replacement: the arithmetic that settles it
The comparison is not repair cost against new price in the abstract; it is repair cost against the price of the same diameter, drop and dressing count, bought new. Our own catalogue is a fair reference for that second number because it is built to order: 557 chandelier listings, of which 268 publish a diameter range with both bounds between 20 cm (7.9 in) and 280 cm (110.2 in), and the median upper bound across those ranges is 100 cm (39.4 in). Configuration depth matters too, since 492 of the listings publish a selectable configuration count with a median of 6 options, which means a like-for-like replacement in a specific diameter and drop is a normal order rather than a special commission. That is the number a repair quote should be measured against, and it is why the table below is written as a share of replacement rather than as a cash figure.
| Repair scope | Typical share of a replacement | Verdict |
|---|---|---|
| Holders plus harness re-wire | Around a third of a like-for-like replacement | Repair if the frame is straight and the dressings are complete |
| Re-wire plus 10 percent re-dressing | Around half of a like-for-like replacement | Repair only if the fixture has provenance |
| Re-wire, re-dress and re-plate | Approaching or above a like-for-like replacement | Replace, unless the fixture is an antique of independent value |
| Any of the above plus a new ceiling fixing | Add the structural work before comparing | Fix the ceiling first, then re-run the comparison |
Those shares are a working convention drawn from how these jobs are scoped, not a published price index, and they assume the fixture is a standard production model. An antique, a signed piece or a fixture with documented provenance breaks the comparison entirely, because its value is not a function of diameter.
When repair is not the right choice
Repair stops being the right choice in six situations, and none of them is about taste. The first is a fixture with no certification marking and no service history in a house you have just bought, because its wiring and its fixing are both unknown. The second is any fixture in a bathroom or a covered exterior position where moisture reaches the metal, since corrosion inside a holder cannot be stopped from outside. The third is a cast or welded frame with two or more failed joints. The fourth is crystal loss above roughly 30 percent with no matching supply available. The fifth is a ceiling that cannot carry the fixture without structural work the owner is not prepared to do. The sixth is a fixture whose finish contains lead paint of unknown age, where sanding in place creates a hazard that no amount of care removes.
- Do not repair a fixture that will be re-hung on the same unrated box.
- Do not re-wire a fixture whose arms are already out of square.
- Do not re-dress a fixture when the replacement drops cannot be matched in family and colour.
- Do not re-plate a single section of a body and expect it to read as original.
- Do not treat a moisture-exposed fixture as a cosmetic project.
- Do not put repair money into a fixture you would not choose again at the same diameter.
What to ask before you approve the work
A repair quote is only comparable if it is itemised the same way every time, and the questions below are the ones that change the number. Ask for the quote in 5 lines: removal and re-hanging, holders and parts, harness and re-wiring, dressing replacement, and finishing. Ask whether the fixture is re-certified or simply re-wired, because those are different jobs with different liability. Ask for the base, the rating and the voltage of every holder supplied, in writing, so the lamps you buy later match. Ask which crystals are being replaced, in what quantity, and whether they come from the same production lot. Ask what happens to the ceiling fixing if the fixture weight turns out to be higher than assumed. Ask for the old harness and holders back, because they are the only physical record of what failed.
- Quote split across removal, parts, wiring, dressing and finishing.
- Holder base, wattage rating and voltage stated in writing.
- Crystal family, size in millimetres and lot, stated for every replacement drop.
- Weight of the finished fixture, so the fixing can be checked against the box rating.
- Whether the work includes a new listed box and independent support.
- Whether the fixture is re-certified after re-wiring, and by whom.
- Old parts returned, plus photographs of the canopy and the ceiling fixing before reassembly.
A quote that answers all seven is comparable with the price of a like-for-like replacement. A quote that answers two is a guess with a labour rate attached.
Numbers and sources
Every figure in this article is listed below with its source and its nature. Nothing here is a market average or a prediction.
Catalogue figures (our own data, counted on 2026-11-01 from the active product catalogue of 1,813 listings)
- 557: chandelier listings in the active catalogue, counted by product type.
- 268: chandelier listings that publish a diameter range with both bounds inside 20 cm and 300 cm; 10 listings publish an impossible range and are excluded from every count above.
- 20 cm (7.9 in) and 280 cm (110.2 in): smallest and largest bound across those 268 valid ranges.
- 100 cm (39.4 in): median upper bound across the same 268 ranges.
- 492: chandelier listings that publish a selectable configuration count, with a median of 6 options and a maximum of 46.
Electrical and physical values (published standards or physical dimensions, not measurements of our stock)
- 12 mm (0.47 in) / 14 mm (0.55 in) / 26 mm (1.02 in) / 27 mm (1.06 in): screw-shell diameters of the E12, E14, E26 and E27 lamp bases, as defined by the base standards.
- 40 W at 120 V: the usual rating of a candelabra holder in a decorative fixture. The rating marked on the fixture governs, not this figure.
- 4 W to 5 W and 400 lm to 470 lm: a retrofit LED candle lamp of the output that replaces a 40 W incandescent candle lamp.
- 18 AWG (0.82 mm²): the smallest fixture wire size used in North American luminaires.
- 15 lb (6.8 kg) to 50 lb (22.7 kg): the common range of rated capacity for outlet boxes listed for fixture support.
- 1,000 hours and 15,000 hours: typical rated life of an incandescent candle lamp and of a retrofit LED candle lamp.
- 24 percent lead oxide: the conventional minimum lead content that distinguishes lead crystal from other decorative glasses.
- 120 V 60 Hz and 230 V 50 Hz: the two supply systems a chandelier is built for in the markets we ship to.
Conventions (working practice, not standards)
- 210 cm (82.7 in) clearance to the floor in a circulation space, and 75 cm to 85 cm (29.5 in to 33.5 in) above a dining tabletop.
- 203 cm (6 ft 8 in) headroom above a stair tread, taken from residential stair code.
- The five repair-scope shares in the decision table are scoping proportions used to compare a quote with a replacement price; they are not a price index.
- 10 percent spare dressings and the 30 percent dressing-loss threshold are working conventions used in restoration.