Wall hung toilets have moved from a niche luxury into the mainstream — and for good reason. They look exceptional, they make cleaning the floor effortless, and modern in-wall cistern systems are more reliable than older suspended designs ever were. But they're not the right choice for every bathroom. This guide covers everything you need to know before you buy.
What Is a Wall Hung Toilet?
A wall hung toilet (also called a wall mounted toilet or floating toilet) is fixed to the wall rather than sitting on the floor. The cistern is concealed inside a supporting frame — known as a WC frame or in-wall frame — which is installed within or against the wall. Only the toilet pan, flush plate, and wall are visible.
The result is a clean, floating appearance with 10–15 cm of open floor space beneath the pan.
Wall Hung Toilet vs Close Coupled: What's the Difference?
| Feature | Wall Hung Toilet | Close Coupled Toilet |
|---|---|---|
| Cistern position | Concealed in wall frame | Attached behind pan, on floor |
| Floor space | Open beneath pan — easier to clean | Footprint on floor |
| Installation complexity | Higher — requires frame and tiling work | Standard plumbing only |
| Adjustable height | Yes (typically 380–470 mm from floor) | Fixed at manufacturer's height |
| Bowl height (standard) | User-specified during installation | ~400–420 mm |
| Price (suite) | Higher | Lower |
| Suited to | New builds, renovations with wall access | Retrofits, simpler installs |
Wall Hung Toilet Pros and Cons
Pros
Easier cleaning. The open floor beneath the pan eliminates the awkward gap between pan and floor where grime accumulates. A quick mop reaches the full floor area.
Adjustable height. This is one of the most underappreciated benefits. A standard close coupled toilet sits at around 400 mm. A wall hung toilet can be set anywhere from 380 mm to 470 mm. For tall households, or to future-proof for accessibility, this flexibility is genuinely valuable.
Space-saving appearance. The floating aesthetic makes a bathroom feel more spacious — particularly effective in small en-suites where visual clutter is the enemy.
Silent flush. Modern in-wall cisterns from brands like Geberit operate near-silently. A significant improvement on close-coupled cisterns in bedrooms or open-plan spaces.
Design flexibility. Because the cistern is hidden, you choose the flush plate — a wide range of designs, finishes, and sizes are available to suit your bathroom's aesthetic.
Cons
Higher installation cost. A qualified plumber needs to fit the in-wall frame, and the wall typically needs to be chased or a false wall built to accommodate it. Budget for additional labour and tiling costs compared to a standard toilet installation.
Access for repairs. If the cistern mechanism needs attention, the flush plate must be removed. Quality in-wall frames (Geberit, Roca, VitrA) have removable service hatches that make this straightforward. Avoid budget frames that don't.
Not suitable for all wall types. External or structural masonry walls generally cannot accommodate a recessed frame. In these cases, a slim false wall (typically 120–150 mm deep) is built in front.
Higher upfront cost. A quality wall hung pan plus in-wall frame plus flush plate costs significantly more than a comparable close coupled suite.
What to Look for When Buying a Wall Hung Toilet
1. The In-Wall Frame
The frame does the heavy lifting — it anchors the pan to the wall and conceals the cistern. Don't skimp here. The frame must comply with EN 38 (the European standard for wall-hung sanitary appliances), which requires it to support a static load of 400 kg.
Top brands for in-wall frames: Geberit, Roca, VitrA, Grohe. Many quality toilet pans are sold with compatible frames from these manufacturers.
2. Projection (Reach) from Wall
Wall hung toilet pans range from 480 mm to 540 mm in projection. A shorter projection (480–500 mm) is preferable in a compact en-suite or cloakroom. Always check projection against your available floor space — the front of the pan should be at least 600 mm from the opposite wall.
3. Rimless Design
Rimless (or open-rim) toilets have no internal ledge for bacteria to hide behind, making hygiene significantly easier. This is particularly important in a wall hung toilet where the pan's underside is exposed and visible. Look for rimless pans as standard.
4. Flush Plate Options
The flush plate is the only visible element of the cistern, so choose one that works with your bathroom's finish. Options typically include:
- Gloss white
- Matt white
- Chrome
- Matt black
- Brushed brass / brushed gold
Dual-flush plates (large/small volume) are now standard; these are required under UK building regulations for new installations.
5. Pan Shape
Pans come in two main shapes:
- Back to wall / D-shaped: Flat rear, curved front — the most common and space-efficient
- Oval / fully rounded: Greater projection, suitable for larger bathrooms
Installation: What's Involved?
A wall hung toilet installation involves:
- Frame fitting — securing the in-wall frame to studs or masonry
- Plumbing — connecting soil pipe and water supply to the frame
- False wall or chase — concealing the frame behind tiling or plasterboard
- Pan fitting — hanging the pan on the frame's fixing bolts
- Flush plate installation — clipping the plate to the cistern access frame
A competent plumber and tiler typically complete this in one to two days. The combined trade cost varies between £300 and £600 depending on region and complexity.
Wall Hung Toilets at Lily Bain
Lily Bain's wall hung toilet range includes options from leading manufacturers, with matching in-wall frames and flush plates available. Our showroom team can advise on frame compatibility and the best pan projection for your specific bathroom dimensions.
Also worth exploring:
- Back to wall toilets — the cistern-concealed aesthetic without wall mounting
- Rimless toilets — hygienic open-rim pans across all mounting styles
Summary: Is a Wall Hung Toilet Right for You?
| Choose a wall hung toilet if… | Consider a close coupled toilet if… |
|---|---|
| You're doing a full bathroom renovation | You're doing a straightforward swap |
| You want adjustable pan height | Standard height suits your household |
| Cleaning is a priority | Budget is tight |
| You have stud or false wall space available | Wall access is limited |
| Design is important | Function takes precedence |
Wall hung toilets reward the investment — both in daily usability and long-term appeal. The key is choosing a quality in-wall frame and having it installed properly from the start.
Browse wall hung toilets at Lily Bain — or call us on 028 3005 0103 for tailored advice.