Most showers that people assume need replacing can actually be repaired or resealed for a fraction of the cost — a full replacement is only necessary when the waterproofing has failed or there’s structural damage behind the tiles. Before you commit to tearing out your shower, it’s worth knowing which camp yours falls into. This guide walks through the signs a repair will do, the signs you genuinely need a new shower, and the cost difference between them.

Not sure which you need? Book an assessment before you spend on a replacement — it often turns out to be a much smaller job.

The short answer: most showers can be saved

When a shower leaks, looks tired, or grows mould that won’t quit, the instinct — and often the first quote you get — is to rip it out and start again. But a full replacement is the most expensive, most disruptive option, and in the majority of cases it’s more than the problem calls for. The real question isn’t “replace or live with it” — it’s “can this be repaired, or does it genuinely need rebuilding?”

Signs a repair or reseal will do the job

You can usually avoid a replacement if the shower’s bones are still good and the problem is at the surface:

  • The leak or mould traces back to perished silicone or cracked grout.
  • The tiles are sound — not loose, drummy or lifting.
  • There’s no structural water damage behind the walls or under the floor.
  • The shower is dated or leaking but otherwise intact.

In these cases a reseal makes the shower watertight again — usually with no tiles removed, in a day, for a fraction of a replacement. It won’t change the look dramatically, but it stops the leak and the mould at the source.

Signs you may genuinely need a new shower

Sometimes replacement (or a full rebuild) really is the right call. The main triggers are:

  • The waterproofing membrane has failed, so water is getting past the layer behind the tiles.
  • There’s structural damage — rotten framing, damaged substrate, or water that’s spread into the floor or walls.
  • Widespread loose or drummy tiles across the shower, not just one or two.
  • The shower has been leaking for a long time and the damage has compounded.
  • You’re renovating anyway and want a completely new look and layout.

When the waterproofing has gone, resealing the surface won’t hold — the shower needs to be stripped back and re-waterproofed to current Australian Standards. That’s a shower rebuild, and it’s the right investment when the alternative is water quietly damaging your home. (Our waterproofing guide explains how the membrane fails and why it matters.)

The cost difference: repair vs replace

This is where the decision usually gets made. Broadly:

  • A reseal is the most affordable — often a few hundred dollars — and fixes most leaks without removing tiles.
  • A rebuild of the shower (strip back, re-waterproof, re-tile) costs more, but far less than a whole-bathroom renovation.
  • A full shower or bathroom replacement/renovation runs into the thousands and puts the room out of action for weeks.

The trap is paying for the most expensive option when the cheapest would have solved it. The trap in the other direction is resealing a shower whose waterproofing has actually failed — which just delays the inevitable. That’s why an honest assessment first saves money either way. (See our complete guide to leaking shower repair costs.)

The no-demolition middle ground

Many people don’t realise there’s an option between “live with it” and “rip it all out”. A professional reseal — and, where needed, a targeted rebuild — can restore a shower to watertight, functional condition without the cost, mess and weeks of downtime of a full replacement. For a shower that leaks but is otherwise sound, it’s usually the smartest choice.

How to decide

The honest answer is that you often can’t tell from the surface whether the waterproofing is intact — and that’s the single fact the whole decision hinges on. A proper inspection checks the seals, grout, tiles, base and, crucially, whether water is reaching the structure. From there you’ll know whether you’re looking at a simple reseal, a rebuild, or a genuine replacement — and you can spend accordingly instead of guessing.

Shower replacement and repair in Brisbane and the Gold Coast

In our humid Brisbane and Gold Coast climate, showers age faster and leaks are common — but that doesn’t mean replacement is the default answer. Plenty of showers we’re asked to “replace” only need a reseal. If you’re weighing up a new shower, it’s worth having it assessed first so you don’t spend renovation money on a repair job. We service Brisbane, the Gold Coast and Logan.

Get an honest answer before you replace

Don’t pay for a new shower until you know you need one. Book an assessment with Leaky Showers and we’ll tell you straight whether it’s a reseal, a rebuild, or a replacement.

Frequently asked questions

Should I repair or replace my shower?

Most showers can be repaired or resealed rather than replaced. A replacement is only necessary when the waterproofing membrane has failed or there’s structural water damage. If the tiles are sound and the leak is from silicone or grout, a reseal usually does the job for far less.

How do I know if my shower needs replacing?

The main signs are failed waterproofing (water getting past the membrane), structural damage like rotten framing, widespread loose or drummy tiles, or a shower that’s been leaking a long time. You often can’t tell from the surface, so an inspection is the reliable way to know.

Is it cheaper to repair or replace a shower?

Repairing or resealing is much cheaper than replacing — often a few hundred dollars versus thousands for a full replacement or renovation. A rebuild sits in between. The key is matching the fix to the actual problem so you don’t overspend or under-fix.

Can a leaking shower be fixed without replacing it?

Usually, yes. If the leak is from perished silicone or cracked grout and the waterproofing is intact, a reseal stops it without removing tiles. Replacement is only needed when the waterproofing has failed.

How long does a shower replacement take compared to a repair?

A reseal is typically done in a day. A rebuild takes longer but is still far quicker than a full replacement or bathroom renovation, which can put the room out of action for weeks.