Ideas Library · Bathroom
Open Wet-Room Concept
An open bathroom where the shower area has no tray and the entire floor is waterproofed and drained, suited to owners wanting a seamless, level-access, spa-like room.
Spaces:Compact ensuiteModern main bathroomLoft or attic bathroom with adjusted floor build-upGround-floor level-access bathroom
Style:MinimalistSpa-inspiredSeamless contemporaryHotel-style
Where this idea works
Where this idea works
Contexts this direction tends to suit — and, honestly, where it may not.
- Owners wanting a minimalist, boundary-free look with no shower tray lip
- Rooms where level or near-level access is a priority now or for the future
- Small footprints that can feel larger without a bulky enclosure
- Properties where the floor build-up can accommodate the falls needed for drainage
Where it may not fit
Where it may not fit
- Floors that cannot take the extra build-up or falls correct drainage requires
- Owners unwilling to commit to whole-room waterproofing rather than a contained tray
- Timber upper floors where deflection and tanking need careful specialist assessment first
Planning
Planning considerations
- Whole-room waterproofing (tanking) is the defining requirement and should be discussed as a full system, not an afterthought
- The floor needs a fall toward the drain, which affects floor build-up and threshold heights at the door
- A partial glass screen often still helps contain spray and keep towels and paper dry
- Underfloor heating is frequently paired with wet rooms to help the floor dry between uses
Layout
Layout considerations
- Position the drain and falls so water travels away from the door and any dry zones
- Keep the toilet and open storage outside the main spray path
- Wall-hung fixtures make the continuous floor easier to lay and to clean
- Consider where towels and clothing sit so they stay out of the wet zone
Materials & finishes
Materials and finishes to discuss
Named generically as starting points to discuss with professionals — not specifications, and not priced.
Consider:Large-format porcelain tileTanking or waterproof membrane systemsLinear or point floor drainsSlip-resistant floor finishFrameless or minimal-frame glass splash screen
- The waterproof membrane is the critical long-term layer, and hidden failures are difficult to put right, so workmanship matters
- Floor-to-wall junctions, drain seals and door thresholds are the areas most tested by standing water
- Slip resistance of the floor finish is a safety-critical durability factor for a floor wet by design
Maintenance & durability
Maintenance and durability questions
- Open floors show splashing and limescale, so an easy-clean finish and good extraction help daily upkeep
- Drain traps and grates need periodic clearing and should be designed for access
- Silicone and grout junctions should be inspected and resealed over time to protect the waterproof layer
Professional review
What to ask a qualified professional
Bring these questions to a designer, contractor or the relevant qualified professional or authority.
- Can the floor structure take the build-up, falls and loads a wet room requires, and should a structural professional assess it?
- What waterproofing system would a qualified installer use, and how is it tested before tiling?
- Does local building guidance set requirements for drainage, falls or slip resistance in this type of room?
- How will the drain and membrane be made accessible for future maintenance?
- Is a glass screen advisable here to protect dry zones, and where would it sit?
More ideas
Related ideas
Walk-In Shower-Led →A walk-in shower-led bathroom swaps the tub for a generous open or screened shower, exploring enclosure choices, drainage and how bathing habits change.Large-Format Tile →A design direction using oversized porcelain tile to reduce grout lines and create a continuous, low-visual-noise bathroom surface.Accessible-Friendly Layout →Accessible-friendly layout thinking plans step-free access, turning space and reinforced walls so a bathroom stays usable across changing needs and ages.Compact Three-Piece →How a compact three-piece bathroom fits a toilet, basin and bathing area into a minimal footprint while protecting clearances and everyday flow.Back-to-Wall Fitted →A back-to-wall fitted concept hides cisterns and pipework behind a boxed furniture run, exploring concealed services, access panels and a clutter-free look.Compact Ensuite →Compact ensuite planning carves a private shower room from a bedroom, exploring drainage runs, door swings, acoustics and privacy where space is borrowed.Broken-Plan Living →How partial dividers — half-walls, glazed screens, level changes, open shelving — can add definition to open space while keeping light and sightlines flowing.Bathroom Niche Storage →Recessed niches and vanity storage for small bathrooms — planning inspiration on waterproofing and borrowing wall depth without hitting hidden services.
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Bathroom Ideas
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