Quick answer
Yes — you can fit a shower with no tray by tiling directly onto a waterproofed (tanked) floor that’s gently sloped to a drain. That’s a wet room, or a wet-floor shower zone. It gives the most seamless, step-free finish and is brilliant for accessibility, but it relies entirely on the tanking being done properly — which is where the skill lies.
What replaces the tray
A shower tray does two jobs: it holds the water and channels it to the waste. Take the tray away and the floor itself has to do both. That means two things must be right. First, the floor needs a built-in fall — a gentle slope towards a drain, formed either by shaping the screed or by laying a pre-formed sloped former between the joists. Second, the whole area has to be tanked — coated in a continuous waterproof membrane up the walls and across the floor before a single tile goes down.
Get those two right and you’ve got a tray-free wet room shower that drains perfectly and never leaks. Get the tanking wrong and water finds its way into the floor below — which is exactly why this isn’t a job to cut corners on. Our what is tanking page explains the process in full.
Tray vs tray-free — the honest comparison
A tray-free wet floor isn’t automatically better; it depends what you want. Here’s how the two stack up.
Tray-free (wet floor)
- Seamless, step-free, the most modern look
- Best for accessibility — nothing to step over
- Easy to clean, no edges or lips
- Needs full tanking and a correct fall — skilled work
With a tray
- Quicker to fit and easy to guarantee watertight
- Lower-cost on most jobs
- A slimline or level-access tray still looks sleek
- Simpler on awkward floors where a fall is hard to form
If a tray suits you better, our low-level and level-access tray page covers the slimline options that get close to the tray-free look.
No tray, no step, no edges — a fully tanked tiled floor is the most seamless way to build a shower.
Cost, floors and what to expect
A tray-free wet-floor shower usually forms part of a wet room, which in Plymouth runs £5,545–£10,810 (around £7,775 on average) — more than a standard walk-in shower with a tray (£2,500–£6,500), because of the extra tanking and floor preparation. It typically takes 4–7 working days, driven by letting the tanking membrane cure before tiling.
The floor you’ve got matters. On a suspended timber floor we can usually drop the drain between the joists and form a neat fall, which makes a tray-free finish straightforward. On a solid concrete floor it’s still possible but may mean cutting the slab — so sometimes a slimline tray is the smarter, tidier answer. We assess this on site and tell you honestly which route gives the best result for your home and budget. Either way, every wet-floor shower we build is fully tanked and guaranteed.
Common questions
Will a tray-free shower leak?
Not if it’s tanked properly. The waterproof membrane is what stops leaks — the tiles on top are decorative. Done right, a wet floor is as watertight as any tray, which is why we never rush the tanking.
Can I have a tray-free shower upstairs?
Usually yes on a timber floor, where we can form the fall and drop the drain between joists. On a concrete first floor it’s harder — we’ll advise on site.
Is it the same as a wet room?
Effectively yes — a tray-free shower zone is the defining feature of a wet room. See our wet room vs walk-in shower comparison.
A worked example: a tray-free shower upstairs
Here’s how a tray-free job typically runs on a suspended timber floor — the common case in Plymouth’s older terraces and semis. We lift the boards in the shower area, drop a linear drain between the joists, and fit a pre-formed sloped shower former (or build a firm fall in board and screed) so the floor tilts gently to the drain. Then the whole zone is tanked — a continuous membrane up the walls and across the floor, with extra care at the drain and internal corners — and left to cure before a single tile is laid.
Only once that membrane is proven watertight do the tiles go on. As part of a wet room the job usually takes 4–7 working days and sits in the £5,545–£10,810 Plymouth range, the extra over a tray shower going on the tanking and floor preparation you never see once it’s finished — but which is the whole reason it never leaks. Our bathroom cost guide sets those figures in context.
What to watch with a tray-free shower
When a wet floor fails, it’s almost never the tiles — it’s one of these, and both are avoidable with proper workmanship.
Tanking done on the cheap
Skip the membrane, thin it out, or fail to lap it properly into corners and around the drain, and water gets into the floor below — the one failure that turns a wet room into an expensive repair. It’s why we never treat tanking as an optional extra or a stage to rush.
A fall formed by eye
The slope has to reach the drain from every direction, or water sits in cold puddles on the tile. Forming an even fall across the whole zone is a setting-out skill; done properly the floor drains clean and dry every time.
Is a tray-free floor harder to keep clean?
Not really — with no lip or tray edge to trap grime it’s arguably easier to wipe down, and a good anti-slip large-format tile keeps the grout lines to a minimum. The one honest trade-off is the grout itself, which needs sealing and the odd refresh over the years; a squeegee and a run of the fan after showering keeps it fresh. If you’d rather avoid a fall in the floor altogether, a slimline tray gets close to the same look — the options are weighed up across our FAQs.
Seamless & step-free
Thinking of a tray-free shower?
We’ll check your floor, advise honestly on tray vs tray-free, and give you a fixed quote for a fully tanked, guaranteed finish.