Welcome to Washloo, the UKs Leading Smart Toilet Specialists!

New collections added! Learn more

The Ultimate Guide to All-in-One Smart Toilets: 2026 Comparison & Buyer's Guide

Detailed comparison and benefits guide for Washloo Prestige G2, Evolution, and Supreme G2 all-in-one toilets

Mark Woodcock |

As we move into May, many homeowners are turning their attention toward Spring renovations to refresh their living spaces. There is no more impactful upgrade for a modern home than the transition to an all-in-one smart toilets. Unlike basic bidet seats, an all-in-one unit is a complete, floor-standing ceramic fixture where the technology and the porcelain are designed to work in perfect harmony.

Whether you are looking for an entry-level luxury experience or the absolute peak of 2026 bathroom technology, this guide breaks down the specifications and the life-changing benefits of Washloo’s flagship models.

Why Choose an All-in-One Smart Toilet?

Choosing an all-in-one unit is about prioritising seamless design and advanced performance. Because these units are built as a single piece, they offer a cleaner aesthetic compared to retrofitted seats.

By integrating the cistern and the electronic components into a single chassis, these toilets provide a streamlined "Japanese style" look that fits perfectly into contemporary UK bathrooms. They are specifically designed for those who want a minimalist "wellness" space without visible plumbing or bulky external tanks.

Key Benefits of Upgrading to an All-in-One Toilet Unit

1. Superior Hygiene and Sterilisation

  • Touch-Free Operation: Advanced models like the Supreme (G2) feature proximity and foot sensors, letting you use the toilet without ever touching the lid or seat.
  • Advanced Sterilisation: The Supreme (G2) features built-in UV sterilisation for both the nozzle and the toilet bowl, actively killing bacteria between uses.
  • Self-Cleaning Technology: Every model in the range includes a self-cleaning nozzle that rinses itself before and after every use.
  • Bubble Foam Shield: The Supreme (G2) uses a foam barrier to prevent splashes and keep the bowl cleaner for longer.

2. Enhanced Personal Comfort

  • Instant Warm Water: All-in-one models use ceramic tube heating to provide instantaneous, temperature-adjustable water for a comfortable wash.
  • Climate-Controlled Seating: Say goodbye to cold mornings with heated seats that offer adjustable temperature settings across the entire range.
  • Warm Air Drying: Integrated dryers reduce or eliminate the need for toilet paper, providing a gentle, hands-free drying experience.

3. Space-Saving and Modern Design

  • Integrated Cisterns: The Evolution model includes a built-in cistern, removing the need for bulky external tanks or concealed wall units.
  • Minimalist Footprint: Models like the Prestige (G2) and Supreme (G2) feature compact dimensions that maximise floor space in smaller en-suites.

Comparing All-in-One Smart Toilet Models: Prestige, Evolution and Supreme

Selecting the right model depends on your budget, your bathroom's specific plumbing (P-Trap or S-Trap), and the level of automation you desire.

1. The Washloo Prestige (G2)

The Prestige (G2) is our accessible luxury model. It is a compact P-trap unit that offers all the essential smart features without a premium price tag.

  • Key Feature: Features a sleek LED display for monitoring temperature and settings.
  • Best For: Homeowners seeking high-end features like oscillating spray and deodorisation at a mid-range price.

2. The Washloo Evolution

The Evolution is the most versatile model in the range, specifically designed to solve the plumbing headaches often found in UK homes.

  • Waste Type: The only model in this comparison to support both S-Trap (floor) and P-Trap (wall) waste outlets.
  • Added Tech: Includes an Auto Flush function and a hydrophobic bowl glaze for easier cleaning.

3. The Washloo Supreme (G2)

The Supreme (G2) represents the pinnacle of "Total Hygiene" and automation.

  • Automation: Features both proximity and foot sensors for automatic opening/closing of the seat and lid.
  • Hygiene Tech: Equipped with a Bubble Foam Shield and UV sterilisers for both the nozzle and the bowl.

Which Model is Right for You?

  • Choose the Prestige (G2) if you have a standard P-trap connection and want a compact, minimalist unit that offers all the core bidet features without unnecessary complexity.
  • Choose the Evolution if you have S-trap plumbing (waste going into the floor) or if you require a toilet with an integrated cistern for a simplified installation.

·       Choose the Supreme (G2) if you want a 100% hands-free experience with the highest possible hygiene standards, including UV sterilisation and automatic lid operation.

Technical Specifications Comparison Table

Feature

Prestige (G2)

Evolution

Supreme (G2)

Water Heating

Ceramic Tube

Ceramic Tube

Ceramic Tube

Waste Type

P-Trap

S-Trap & P-Trap

P-Trap

Auto Flush

No

Yes

Yes

Lid Sensor

No

No

Proximity & Foot

UV Sterilisation

No

No

Nozzle & Bowl

Kids Function

No

No

Yes

Common Key Features of All-in-One Toilets

Every model in the Washloo all-in-one range includes these core features as standard:

  • Dual Wash Functions: Posterior and feminine wash cycles with oscillating spray.
  • Full Adjustability: Customise the water temperature, water pressure and nozzle position.
  • Heated Comfort: A heated seat and warm air dryer with adjustable temperature settings.
  • Safety & Hygiene: Soft-closing seats/lids, night lights and self-cleaning nozzles.
  • Freshness: Built-in deodorising functions to keep the bathroom air clean.

Frequently Asked Questions

What are the main benefits of a smart toilet?

Smart toilets improve personal hygiene through automated washing and UV sterilisation, increase comfort via heated seats and water, and offer environmental benefits by reducing toilet paper use.

Which Washloo all-in-one toilet is best for S-trap plumbing?

The Washloo Evolution is the ideal choice for S-trap plumbing, as it accommodates waste pipes that run directly into the floor as well as standard P-trap wall connections.

How does the UV sterilisation work in the Supreme (G2)?

The Supreme (G2) uses ultraviolet light to automatically sterilise the wash nozzle and the toilet bowl between uses, providing a medical-grade level of cleanliness that traditional toilets cannot achieve.

Can children use smart toilets?

Yes. The Washloo Supreme (G2) includes a dedicated Kids Function that adjusts settings to be gentler and more appropriate for younger users.