When specifying toilet cubicles for a commercial washroom, one of the first decisions is height: standard cubicles with gaps above and below the door, or full height toilet cubicles that run from floor to ceiling. The difference affects privacy, hygiene, cost, acoustics and the overall impression of the facility. This guide explains both options clearly so you can choose the right specification for the project.

Key takeaways

  • Standard toilet cubicles have a gap of 100–150mm below the door and panels, and a gap of 200–400mm between the door head and the ceiling. They are the most common specification and the lowest cost option.
  • Full height toilet cubicles (also called floor-to-ceiling cubicles) have no gaps — panels and doors run from the finished floor to the ceiling, with no open space above or below.
  • Privacy and hygiene are both significantly better in full height systems — no gaps to see through, no floor-level zone that is difficult to clean.
  • Cost is higher for full height systems due to additional material and more complex installation, but the premium is proportionate to the benefits.
  • A single toilet cubicle in a smaller washroom or accessible WC is often specified full height regardless of budget — the additional cost for one cubicle is minimal and the result is significantly better.
  • The correct choice depends on the environment, the user group and the specification brief — not on which option costs less upfront.

What is a standard toilet cubicle?

A standard toilet cubicle has panels and a door that do not extend to the floor or ceiling. The typical configuration is:

  • Below the door and panels: 100–150mm clearance from the finished floor level
  • Above the door head: 200–400mm open space between the door head and the ceiling
  • Overall panel height: approximately 1,950–2,100mm

The gap below serves a functional purpose in some respects — it allows cleaning equipment (mops, floor scrubbers) to pass under the cubicle, and in some facilities management contexts it allows a visible check of whether a cubicle is occupied from outside. The gap above the door is primarily a cost and construction consideration — it avoids the need to fix overhead structure to the ceiling, which simplifies installation.

Standard toilet cubicles are the default specification for most commercial washrooms. They are appropriate for offices, schools, leisure facilities and public buildings where budget is a consideration and the highest level of privacy is not the primary requirement.

What are full height toilet cubicles?

Full height toilet cubicles — also called floor-to-ceiling cubicles — have panels and doors that extend continuously from the finished floor level to the ceiling. There are no gaps: no open space below the door, no open space above.

This is achieved by extending the pilasters and panels to floor level (using a sealed or coved base detail at the floor junction) and by fixing the overhead structure to the ceiling rather than leaving it open. In some systems, the panels are fixed directly to the floor and ceiling without an overhead beam; in others, a continuous overhead beam runs at ceiling level.

Full height toilet cubicles create a completely enclosed space for each cubicle — functionally closer to a separate room than to a partitioned space. This is the design choice that defines the specification for high-end commercial washrooms, hotel facilities, spa and leisure environments, and any setting where privacy and quality of experience matter.

Standard vs full height: a direct comparison

Standard toilet cubiclesFull height toilet cubicles
Floor gap100–150mmNone — sealed to floor
Ceiling gap200–400mmNone — fixed to ceiling
PrivacyModerate — gaps above and belowComplete — fully enclosed
HygieneFloor-level gap is harder to cleanFloor-to-ceiling surface, easier to clean fully
AcousticsSound transmits through gapsBetter acoustic separation
InstallationSimpler — no ceiling fixingMore complex — ceiling fixing required
Material costLowerHigher — more material
Overall costLowerHigher — material and installation
Typical applicationStandard commercialPremium commercial, leisure, healthcare
Single cubicleStandard is commonFull height recommended

Where full height toilet cubicles are the right choice

Hospitality and leisure venues. A hotel, spa or high-end gym expects its washroom to match the quality of the rest of the facility. Full height toilet cubicles are the default specification in hospitality settings — the enclosed space, the absence of gaps and the premium finish are all part of the guest experience.

Front-of-house commercial offices. A client-facing washroom in a law firm, financial services company or creative agency is not the same brief as a staff washroom. Full height cubicles in a well-specified material — solid grade laminate or solid surface — create a washroom that reflects the quality of the business.

Healthcare and clinical environments. Clinical washrooms increasingly specify full height cubicles because the floor-level gap in a standard cubicle creates a difficult-to-clean zone that compromises infection control. A sealed floor junction in a full height system eliminates that zone entirely.

Single toilet cubicle installations. Where only one toilet cubicle is being installed — in a single-person accessible WC, a staff toilet or a small washroom — the additional cost of specifying full height over standard is minimal. One cubicle does not have significantly more material than a standard alternative, and the result is considerably better. See our Carden Accountants case study for an example of a single washroom installation where specification quality made the difference in a constrained space.

Gender-neutral facilities. Where toilet facilities are designed to be gender-neutral — increasingly common in schools, public buildings and workplace settings — full height cubicles are the standard specification. Complete visual privacy from outside the cubicle is the key requirement, which standard cubicles do not reliably provide. See our Forest School Horsham case study where gender-neutral facilities were installed with floor-to-ceiling cubicles.

Where standard toilet cubicles are the right choice

Where standard toilet cubicles are the right choice

Back-of-house and staff facilities. A standard toilet cubicle in a staff room, warehouse, factory or back-of-house area is entirely appropriate. The users are familiar with the space, the brief is functional rather than premium, and the budget is better allocated elsewhere.

High-volume public facilities. In very high traffic public washrooms — transport hubs, event venues, large schools — the cleaning access advantage of the gap below the door can be a practical consideration. A floor scrubber that passes under every cubicle simultaneously is faster than one that has to navigate around sealed bases.

Budget-constrained projects. Where the total project budget does not extend to full height throughout, standard cubicles in correctly specified material (solid grade laminate) are a sensible choice. The material quality matters more than the height in determining how long the cubicles last.

What about the single toilet cubicle specification?

A single toilet cubicle — one cubicle in a small washroom, an accessible WC, or an individual toilet room — presents a slightly different specification question. Because the cost difference between standard and full height for a single unit is relatively small, the decision is almost always worth revisiting.

For a single accessible toilet cubicle under Approved Document M, the height specification is less critical than the internal dimensions, door clear width, grab rail positions and transfer space. However, specifying full height for an accessible single cubicle creates a better experience for the user and a cleaner finish overall.

For a single staff toilet or small WC room, full height is straightforward to specify and install — the ceiling fixing is a minor additional element — and the result is significantly more pleasant than a standard cubicle in the same space.

Material, height and the overall specification

The height specification — standard or full height — does not change the material decision. Solid grade laminate is the correct specification for commercial toilet cubicle panels in wet environments regardless of height. An MFC (melamine-faced chipboard) panel in a full height system will still fail when moisture reaches the core; a solid grade laminate panel in a standard height system will still last fifteen to twenty years.

The two decisions — height and material — should be made independently based on what each environment requires. A school washroom might specify standard height solid grade laminate: the correct material for the environment, the practical height for the usage and budget. A hotel might specify full height solid surface: the premium material and complete enclosure that the brief demands.

For most commercial washrooms, solid grade laminate at the height appropriate to the setting is the correct specification. BRAC Projects manufactures and installs commercial toilet cubicles in both standard and full height configurations, in solid grade laminate and solid surface, for offices, schools, healthcare, leisure and public sector washrooms across the UK.

Frequently asked questions

What is the standard height of a toilet cubicle?

A standard commercial toilet cubicle door head sits at approximately 1,950–2,100mm from the finished floor level, with a gap of 100–150mm below the door and panels and a gap of 200–400mm between the door head and the ceiling. Full height toilet cubicles eliminate both gaps, running from the floor to the ceiling.

Are full height toilet cubicles more expensive?

Yes — full height toilet cubicles cost more than standard height due to additional material (taller panels and doors) and more complex installation (ceiling fixing is required). The premium varies depending on ceiling height and system specification. For a single cubicle, the additional cost is relatively small; for a large multi-cubicle installation, the cost difference is more significant.

What is the gap below a standard toilet cubicle?

The standard gap below a toilet cubicle door and panels is 100–150mm from the finished floor level. This is a design convention rather than a regulatory requirement. Full height toilet cubicles seal to the floor with no gap, using a coved or sealed base detail at the floor junction.

Are floor-to-ceiling toilet cubicles better?

For privacy, hygiene and acoustic performance, full height toilet cubicles are better than standard. Whether they are the right choice for a specific project depends on the brief, the user group and the budget. In hospitality, premium commercial and healthcare settings, full height is the correct specification. In back-of-house and budget-constrained projects, standard height in the correct material is entirely appropriate.

What size is a single toilet cubicle?

A standard single toilet cubicle in a commercial washroom is typically 800mm wide and 1,500mm deep — sufficient for normal use. An accessible single toilet cubicle must meet Approved Document M dimensions, which require a larger footprint: sufficient turning circle (1,500mm diameter), transfer space to one side of the WC, and a door with a minimum 775mm clear opening width. Bespoke manufacture is the reliable way to hit these dimensions exactly.

Do full height cubicles require planning permission?

No. Toilet cubicle installation — whether standard or full height — does not require planning permission. It may require building control notification as part of a broader fit-out if structural or services work is involved, but the cubicles themselves are not a structural or planning matter.

Choosing the right cubicle height for your project

For most commercial projects, the question to ask is: what impression does this washroom need to create, and what is the maintenance and cleaning regime? If the washroom is client-facing or used by the public, full height is usually the better specification. If it is back-of-house and functional, standard height in solid grade laminate is appropriate and cost-effective.

For a single toilet cubicle installation in any setting, full height is almost always worth the marginal additional cost.

BRAC Projects manufactures and installs toilet cubicles in both configurations for projects across the UK — survey, design, fabrication and installation as a single package. To discuss a project, get in touch with the team.