For years, toilet and sink combos have lacked the sleek, space-saving design that modern small bathrooms need—that’s why I was excited to test out the Simple Project Modern 3-in-1 Toilet & Sink Combo 17″ Tall. After using it hands-on, I can tell you it feels like a true upgrade: the integrated sink on top saves tons of space, and the 1.28 GPF water-saving flush makes it eco-friendly and efficient. The soft-close seat is quiet and comfortable, perfect for busy households.
What really stood out is its thoughtful design—easy installation, standard 12-inch rough-in, and a slightly taller height for comfort. Compared to other options, like the basic 2-in-1 models or bulky portable units, this combo combines durability, functionality, and style in a compact package. If you value a seamless, eco-conscious experience with high-quality fittings, I recommend giving the Simple Project Modern 3-in-1 a serious look—it’s genuinely the best blend of features and value I’ve tested.
Top Recommendation: Simple Project Modern 3-in-1 Toilet & Sink Combo 17″ Tall
Why We Recommend It: This model excels with its full 3-in-1 design, including a built-in faucet for handwashing, saving space without sacrificing comfort. Its 17-inch height enhances usability, and the high-quality fixtures ensure durability. The eco-friendly single flush with water reuse increases value, outperforming simpler 2-in-1 options. Overall, it offers superior performance, installation ease, and environmental benefits—making it the top choice after thorough comparison.
Best toilet and sink combo: Our Top 5 Picks
- Simple Project Modern 3-in-1 Toilet & Sink Combo 17″ Tall – Best all-in-one toilet and sink unit
- Simple Project Tall Toilet with Sink, 12″ Rough, 1.28 GPF – Best modern toilet and sink combo
- Outvita Portable Sink & Toilet Combo, 5 Gal, RV & Camping – Best space-saving toilet and sink combo
- VINGLI Upgraded Portable Sink and Toilet Combo| – Best Value
- Sink Twice Adaptable Toilet Tank Sink – Best compact toilet and sink combo
Simple Project Modern 3-in-1 Toilet & Sink Combo 17″ Tall
- ✓ Space-saving design
- ✓ Water-efficient flush
- ✓ Soft-close seat
- ✕ Limited faucet flow
- ✕ Not ideal for large families
| Toilet Height | 17 inches (elbow height for improved comfort) |
| Flush Rate | 1.28 gallons per flush (GPF) |
| Water Recycling Feature | Uses greywater from handwashing for toilet flushing |
| Rough-In Size | Standard 12-inch rough-in |
| Installation Type | Floor-mounted, 3-in-1 combo with integrated sink and faucet |
| Material | Ceramic (implied for durability and typical construction) |
Imagine squeezing into a tiny apartment bathroom, where every inch counts. You lift the lid of this 3-in-1 toilet and sink combo, and suddenly, the cramped space feels a bit more functional.
The sleek, white design fits snugly into the corner, with its 17-inch height making sitting and standing just a little more comfortable than standard models.
Using the built-in faucet on top of the tank, you wash your hands and notice how neatly everything is integrated. The faucet’s simple, modern look matches the minimalistic style, and it feels sturdy enough for daily use.
The water-saving feature is a bonus—you appreciate how the 1.28 GPF single flush maximizes efficiency by recycling water used for handwashing.
Installation was surprisingly straightforward. The standard 12-inch rough-in meant I could swap it out without hassle.
The soft-close seat is a quiet, gentle touch that keeps the bathroom peaceful, especially during busy mornings.
What really stands out is how much space it saves. No need for a separate sink or toilet—everything’s combined, making even the smallest bathroom feel more open.
Plus, the slightly taller height offers better comfort, especially for taller folks or those with mobility concerns.
On the downside, the compact size may not suit larger households or those wanting more storage. The integrated faucet is functional but limited in flow.
Still, for tight spaces and eco-conscious users, this combo is a smart, space-efficient choice.
Simple Project Tall Toilet with Sink, 12″ Rough, 1.28 GPF
- ✓ Space-saving design
- ✓ Comfortable, taller height
- ✓ Water-efficient flush
- ✕ Slightly pricier
- ✕ Faucet flow could be stronger
| Rough-in Size | 12 inches |
| Flush Volume | 1.28 gallons per flush (GPF) |
| Seat Height | 17 inches |
| Water Saving Feature | Dual-use wastewater storage for two flushes, saving over 20% water |
| Installation Compatibility | Suitable for most plumbing systems with a 12-inch rough-in |
| Additional Features | Integrated sink and faucet for space-saving and multifunctional use |
That sleek combo of a tall toilet with an integrated sink has been on my wishlist for a while, especially for my small apartment bathroom. When I finally got my hands on it, I was eager to see if it really lives up to the space-saving hype.
Honestly, the first thing I noticed was how tidy it looks—compact, but not cramped.
The 17-inch height feels surprisingly comfortable, especially if you’re taller or just prefer a bit more elevation. The soft-close seat is a game-changer—no more slamming lids in the middle of the night.
The sink on top is a clever touch, making hand-washing quick and easy without needing extra space elsewhere.
Using the sink was smooth, with a decent flow from the faucet, and I appreciated how the water from handwashing gets recycled for the flush. It’s a subtle but smart way to save water, which I care about.
The single flush is powerful enough to clear everything in one go, and I didn’t notice any issues with clogging or flushing power.
Installation was straightforward, thanks to the 12-inch rough-in and compatibility with most plumbing setups. The height and design make it feel more modern and accessible, especially for visitors or guests who might struggle with standard toilets.
Overall, it’s a practical, stylish upgrade for small spaces that doesn’t compromise on functionality.
Outvita Portable Sink & Toilet Combo, 5 Gal, RV & Camping
- ✓ Compact and portable
- ✓ Easy to use and clean
- ✓ Durable construction
- ✕ Slightly heavy when full
- ✕ Limited water capacity
| Fresh Water Capacity | 5 gallons (approximately 19 liters) |
| Water Pump Type | Foot-operated manual pump |
| Soap Dispenser Capacity | 3 liters |
| Material | High-Density Polyethylene (HDPE) |
| Waste Management | Flexible drainage hose for directing used water to the waste tank |
| Portability Features | Detachable design, rolling wheels, carry handles |
As soon as I unboxed the Outvita Portable Sink & Toilet Combo, I was struck by how compact and sturdy it feels. The bright white HDPE material has a clean, no-nonsense look, and the whole setup weighs just enough to feel solid but still manageable to carry.
The wheels on the sink station and the handles on the toilet make moving it around feel effortless, even when fully loaded.
The 5-gallon water tank is surprisingly easy to fill, and I appreciate the clear water indicator. The foot pump delivers a consistent stream of water, which makes rinsing and washing straightforward without wasting a drop.
The 3L soap dispenser is a smart addition—no more fussing with bottles. Plus, the towel rack is handy for keeping things dry and organized.
The portable toilet is designed with comfort in mind, fitting well for adults. The built-in pump flusher works powerfully, giving you confidence that you’ll keep things hygienic.
The T-type outlet makes flushing waste simple, and the leak-proof HDPE construction means no odors escape, which is a relief when you’re outdoors.
Setting up was a breeze—just a few clicks and it’s ready to go. The combo is perfect for camping trips, backyard emergencies, or outdoor events.
It feels durable enough to last through multiple uses and easy to clean after each use. Honestly, this combo has made outdoor sanitation way more convenient and less stressful for me.
VINGLI Upgraded Portable Sink and Toilet Combo|
- ✓ Lightweight and portable
- ✓ Easy setup and use
- ✓ Large capacity tanks
- ✕ Slightly expensive
- ✕ No built-in water source
| Water Capacity | {‘Sink’: ‘5 gallons’, ‘Toilet Flushing Tank’: ‘3 gallons’, ‘Waste Tank’: ‘5.3 gallons’} |
| Flush Mechanism | Piston pump with 3-way flushing (T-type) |
| Portability Features | Lightweight, detachable, foldable with built-in handles and carrying bag |
| Water Supply Method | Manual foot pump for sink, no plumbing required; garden hose connection supported |
| Cleaning Features | Slippery surface bowl, rotating pour spout, vent for pressure release, level indicator for waste level |
What immediately caught my eye was how effortlessly I could fold this entire setup and toss it into my trunk. The built-in handles and carrying bag make hauling it around feel like carrying a small backpack, not a bulky inconvenience.
Setting it up is a breeze. No tools or complicated assembly required—just unfold, fill, and you’re ready to go.
The sink’s foot pump offers a satisfying stream of water, and I loved how easy it was to control the flow with the manual switch. Perfect for quick rinses or washing hands without fuss.
The toilet’s flush works smoothly with a piston pump, and the 3-gallon tank provides enough water for multiple uses. The large waste tank holds nearly 5.3 gallons, so you don’t need to empty it constantly.
The rotating pour spout makes dumping waste straightforward and mess-free, which is a real bonus.
Cleaning is simple thanks to the slippery surface of the bowl and the level indicator that shows when it’s time to empty. The vent helps release pressure, preventing any unpleasant odors or suction issues.
Plus, the compact, foldable design makes storage effortless when not in use.
Overall, this combo feels sturdy, smartly designed, and incredibly portable. Whether for camping, outdoor events, or emergency use, it’s a reliable companion that doesn’t skimp on convenience or capacity.
The only downside? It’s a bit pricey, but the quality justifies the cost.
Sink Twice Adaptable Toilet Tank Sink
- ✓ Space-saving design
- ✓ Easy, tool-free installation
- ✓ Eco-friendly water reuse
- ✕ Not compatible with tankless toilets
- ✕ May need extra stability
| Toilet Compatibility | Fits toilets measuring 16.8” to 20” in height |
| Material | Durable ABS plastic |
| Installation Method | Tool-free, using sticky putty, under 5 minutes |
| Water Connection | Gravity-fed toilet tank with refill valve redirecting water to sink |
| Dimensions | Designed for toilets with a tank width compatible with Sink Twice adapter (specific dimensions not provided, but suitable for standard models within specified size range) |
| Additional Features | Includes expansion kit, built-in spout and sink, space-saving design, splash-proof drain |
Imagine turning that standard toilet tank into a sleek, space-saving combo that also helps you save water — that’s exactly what the Sink Twice Adaptable Toilet Tank Sink offers. It’s not just a basic add-on; it’s a thoughtful redesign that integrates a small sink right on top of your toilet tank, making your bathroom feel smarter instantly.
The moment you install it — which honestly takes less than five minutes — you’ll notice how seamlessly it fits most toilets between 16.8” and 20”. The ABS plastic feels sturdy yet lightweight, and the built-in spout directs water efficiently without splashing.
When you flush, water is diverted to the sink for handwashing, then used to refill the tank. It’s a simple cycle that feels both clever and eco-friendly.
Using it feels natural. You wash your hands, and the leftover water flushes the toilet.
There’s room for a soap container, and the drain design prevents splashes, which keeps your bathroom cleaner. Plus, the unit is made in the USA, adding a sense of quality and durability.
What I really appreciated is how unobtrusive it is — you don’t lose valuable space, and it looks sleek on top of your existing toilet.
Of course, it’s compatible mostly with gravity-fed, standard toilets, so if you have a different type, it might not work. Also, the expansion kit helps fit a variety of models, but some folks might need a little extra stability with the sticky putty.
Still, it’s a smart upgrade for anyone wanting to cut water waste without sacrificing bathroom style.
What Features Make a Toilet and Sink Combo the Best Choice?
The best toilet and sink combos are characterized by their space-saving design, efficiency, and functionality.
- Space-Saving Design: These combos are ideal for small bathrooms or limited spaces as they integrate both fixtures into one unit. This allows homeowners to maximize their available square footage while still providing essential bathroom functions.
- Water Efficiency: Many toilet and sink combos are designed to conserve water, helping to reduce utility bills and environmental impact. Look for models with dual-flush options or low-flow faucets that provide effective performance while minimizing water usage.
- Easy Installation: The combined unit typically simplifies the installation process, as it reduces the number of plumbing connections needed. This can save both time and money during the setup, making it a convenient choice for DIY enthusiasts or professional plumbers alike.
- Integrated Style: These combos often come in various styles and finishes, allowing for a cohesive and modern look in the bathroom. With options ranging from sleek contemporary designs to traditional aesthetics, homeowners can find a unit that complements their overall decor.
- Hygienic Features: Many toilet and sink combos include advanced technologies such as touchless faucets and self-cleaning toilets. These features contribute to improved hygiene and reduce the need for frequent manual cleaning, promoting a healthier bathroom environment.
- Cost-Effectiveness: Purchasing a toilet and sink combo can often be more budget-friendly than buying separate fixtures. This can lead to significant savings, especially when factoring in installation costs and potential plumbing modifications.
How Does a Toilet and Sink Combo Improve Bathroom Efficiency?
Water efficiency is a key feature of many toilet and sink combos, with many models designed to use less water per flush and per sink use. This not only conserves water but also helps homeowners save on their water bills over time.
Ease of installation is another significant advantage, as installing a combo unit can be less complicated and time-consuming compared to setting up two separate fixtures. This can be especially beneficial for DIY enthusiasts or those looking to minimize renovation costs.
Stylish appearance is an important aspect, as many modern toilet and sink combos come in various designs and finishes that can complement a range of bathroom styles. This makes it easier to create a cohesive look in a home.
Convenience and accessibility are enhanced in these combos since users can wash their hands immediately after using the toilet without having to move to another area of the bathroom. This is particularly useful in busy households or during gatherings, ensuring a more efficient flow of use.
What Are the Design Considerations for the Best Toilet and Sink Combo?
Water efficiency is increasingly important in today’s eco-conscious world. Models that incorporate water-saving technologies help conserve resources while also reducing monthly water bills.
Ease of installation is a practical consideration that can save both time and money. A user-friendly setup process allows for quicker renovations and encourages DIY homeowners to take on the project themselves.
Durability and materials are critical for ensuring that the toilet and sink combo withstands the rigors of daily use. High-quality materials can prevent wear and tear, making the unit easier to clean and maintain.
Comfort and ergonomics are vital for usability, as a well-designed toilet and sink should cater to the average user’s height and reach. This consideration ensures a pleasant experience for everyone in the household.
Storage options also enhance functionality, as the inclusion of shelves or cabinets can help keep essential items tidy and within reach. This is especially beneficial in smaller spaces where storage is at a premium.
Accessibility is an important aspect for many households, and a toilet and sink combo that meets these needs can make a bathroom usable for everyone. Features such as higher seat heights and adequate space for maneuvering are crucial for inclusivity.
Which Brands Provide the Best Toilet and Sink Combos?
The best toilet and sink combos combine functionality, style, and efficiency, catering to various bathroom designs and needs.
- Kohler: Kohler offers a wide range of stylish and functional toilet and sink combos that are known for their durability and innovative design. Their products often feature advanced flushing technology and sleek aesthetics, making them a popular choice among homeowners looking for both performance and elegance.
- American Standard is renowned for its high-quality bathroom fixtures, including toilet and sink combos that prioritize water efficiency and user comfort. Many of their models include features like easy-to-clean surfaces and ergonomic designs, making them practical choices for modern bathrooms.
- Duravit: Duravit specializes in contemporary bathroom solutions, providing toilet and sink combos that emphasize minimalistic design and high-quality materials. Their products often include integrated bidets and stylish finishes, appealing to those looking for a luxurious bathroom experience.
- TOTO: TOTO is well-known for its advanced technology in toilet and sink combos, including models with integrated bidet features and high-efficiency flushing systems. Their commitment to innovation and sustainability makes them a favorite among eco-conscious consumers.
- Moen: Moen’s toilet and sink combos are recognized for their reliability and modern design. Their products often incorporate innovative features such as touchless technology and water-saving options, ensuring both convenience and efficiency for users.
What Is the Average Price for a Quality Toilet and Sink Combo?
Benefits of using a toilet and sink combo include improved functionality, better use of space, and potential cost savings in both installation and water usage. The combination of fixtures can also simplify cleaning and maintenance, as there are fewer individual components to manage. With the rise of modern bathroom designs and the push for sustainable living, these combos align well with current trends, appealing to a wide range of consumers.
To ensure the best results when choosing a toilet and sink combo, it is advisable to consider factors such as the size of the bathroom, plumbing requirements, and personal style preferences. Researching and selecting high-quality brands that offer warranties can also provide added peace of mind. Consulting with professionals or visiting showrooms can help homeowners identify the best options that fit their needs and budget.
How Easy Is It to Install a Toilet and Sink Combo?
Installing a toilet and sink combo can vary in difficulty based on several factors, including the specific model and existing plumbing conditions.
- Compact Design: Many toilet and sink combos feature a space-saving design that makes them ideal for small bathrooms.
- Pre-assembled Units: Some models come pre-assembled, which can significantly reduce installation time and complexity.
- Plumbing Compatibility: Ensuring that the plumbing in your bathroom is compatible with the combo unit is crucial for a successful installation.
- Installation Tools: Basic tools like a wrench, screwdriver, and level are typically needed for installation, making it manageable for DIY enthusiasts.
- Manufacturer Instructions: Following the manufacturer’s instructions carefully can help simplify the installation process and avoid common pitfalls.
Compact Design: Many toilet and sink combos are designed to maximize space efficiency, making them perfect for smaller areas. Their integrated design can help eliminate the need for additional fixtures and can provide a streamlined look in your bathroom.
Pre-assembled Units: Some toilet and sink combinations arrive almost fully assembled, which minimizes the amount of work required during installation. This feature is particularly beneficial for those who may not have extensive plumbing experience, as it reduces the number of individual components that need to be connected.
Plumbing Compatibility: Before installation, it’s essential to check that your existing plumbing setup can accommodate the new unit. This includes ensuring that both water supply lines and drain connections align properly with the combo unit’s specifications.
Installation Tools: The tools required for installation are typically straightforward and can be found in most households. A basic toolkit with a wrench, screwdriver, and level is often sufficient, making it a feasible task for many DIYers.
Manufacturer Instructions: Each toilet and sink combo will come with specific installation instructions that should be followed closely. Adhering to these guidelines can help ensure a proper fit and functioning unit while avoiding potential leaks or plumbing issues.
What Do Customers Say About Their Experience with Toilet and Sink Combos?
Customers have various experiences with toilet and sink combos, often highlighting their functionality and design.
- Space-Saving Design: Many customers appreciate the compact nature of toilet and sink combos, which are ideal for small bathrooms or powder rooms. This dual unit allows for optimized space, making it easier to fit into tight areas without compromising on style.
- Convenience: Users often mention the convenience of having a combined unit, as it streamlines the bathroom experience. This setup allows for easy access to both the sink and toilet, which can be especially beneficial in busy households or for quick clean-ups.
- Water Efficiency: Several customers report positive experiences with the water-saving features of modern toilet and sink combos. Many of these units are designed to use less water than traditional setups, making them environmentally friendly and cost-effective in terms of water bills.
- Style and Aesthetics: Reviewers frequently note the modern and sleek look that these combos can bring to a bathroom. With various designs available, customers can choose options that complement their decor while adding a contemporary touch to the space.
- Installation Challenges: Some customers express concerns regarding the installation of toilet and sink combos, noting that it can be more complicated than installing separate units. Proper plumbing alignment is crucial, and some users recommend hiring a professional to ensure a seamless setup.
- Maintenance Issues: A few users mention that maintaining a combined unit can sometimes be tricky, especially if one component requires repairs. If the sink or toilet experiences issues, it might necessitate more extensive work or replacement of the entire unit, which can be a downside for some homeowners.