If a standard toilet feels too low, a model higher than 17 inches may make sitting down and standing up easier. The five options below are listed at 21 inches and pair that extra height with features such as elongated seats and 1.28-gallon-per-flush systems. Before choosing one, check how the listed height is measured, confirm the rough-in and bathroom fit, and consider whether a 21-inch seat will feel comfortable for everyone who uses it.
Table of Contents
Quick Comparison
| Toilet | Listed height | Flush | Notable details |
|---|---|---|---|
| SUPERFLO 21-Inch High Elongated Toilet | 21 inches | 1.28 GPF, single flush | Elongated design, soft-close seat, 12-inch rough-in |
| Simple Project 21-Inch Extra Tall Toilet | 21 inches | 1.28 GPF, single flush | Elongated seat, soft-close seat, 12-inch rough-in |
| Simple Project 21-Inch High Tall Toilet | 21 inches | 1.28 GPF, single flush | Ceramic construction, elongated seat, 12-inch rough-in |
| Simple Project 21-Inch Tall Toilet for Seniors and Tall People | 21 inches | 1.28 GPF, single flush | Soft-close seat, listed 1000-gram waste-removal capacity |
| Simple Project 21-Inch Extra High Toilet | 21 inches | 1.28 GPF, single flush | Two-piece design, soft-close seat, listed 1000-gram waste-removal capacity |
Our Picks: Best Toilets Higher Than 17 Inches reviews
1. SUPERFLO 21-Inch High Elongated Toilet: Best for a Clearly Specified Rough-In
The SUPERFLO is a 21-inch-high elongated toilet aimed at people who want a taller place to sit without adding a separate seat riser. Its listed features include a comfort-height seat, a soft-close lid and a single-flush system using 1.28 gallons per flush.
A 12-inch rough-in is specified, which gives you a useful measurement to check against your existing plumbing before ordering. The listing also describes the toilet as having a 1000-gram waste-removal rating. Treat that as a stated product specification, not a guarantee that it will suit every household’s plumbing or use.
The unusually tall seat may help reduce how far some users need to bend, but it will not be the right height for everyone. The listing includes installation instructions and a video, though installing a toilet still involves handling a heavy fixture and connecting it to existing plumbing.
Pros:
- 21-inch height for users seeking a taller seat.
- Elongated bowl and soft-close seat are included in the listed features.
- Specifies a 12-inch rough-in for fit planning.
- Uses a 1.28 GPF single-flush system.
Cons:
- The 21-inch height may feel too high for some users.
- It offers a single flush option rather than multiple flush settings.
Verdict: Choose the SUPERFLO if you want a 21-inch elongated toilet and have confirmed that its 12-inch rough-in matches your bathroom.
2. Simple Project 21-Inch Extra Tall Toilet: A Practical Option for Mobility Needs
This Simple Project model is designed for people who find it difficult to bend down to a lower toilet. It has a listed 21-inch height, an elongated seat and a soft-close feature. The extra height can make transfers easier for some people, though comfort depends on the user’s own height, mobility and preferred sitting position.
The toilet uses a 1.28 GPF single-flush system with a jet siphon flushing mechanism, according to its product description. A 12-inch rough-in is also specified. Check that measurement against the distance from your finished wall to the center of the toilet’s floor drain before buying.
Installation instructions and a video are listed as included guidance. The available specifications do not provide a waste-removal rating or construction material, so shoppers who want those details may need to confirm them before choosing this model over the more fully specified options.
Pros:
- 21-inch listed height is designed to reduce bending for some users.
- Elongated seat and soft-close feature are included.
- Uses a 1.28 GPF flush system with a jet siphon mechanism.
- Lists a 12-inch rough-in and installation guidance.
Cons:
- The very tall seat may not suit shorter users or every household member.
- The supplied description does not state the toilet’s construction material or a waste-removal rating.
Verdict: This is a sensible choice if the 21-inch height and 12-inch rough-in fit your needs and you value a soft-close seat.
3. Simple Project 21-Inch Ceramic Toilet: Best for a Stated Material and Flush Rating
This 21-inch Simple Project model combines an elongated toilet with ceramic construction. It is intended for people who want a taller seat, including seniors, people with mobility concerns and taller users. Like the other options here, its added height is a specific fit choice rather than a universal comfort upgrade.
The listed flush is a 1.28 GPF single-flush system, and the product description states a MAP waste-removal performance of 1000 grams. It also includes a soft-close seat and specifies a 12-inch rough-in. Those details make it easier to compare on paper, but you should still verify dimensions and plumbing compatibility before installation.
The listing mentions a two-year warranty and customer support. It also describes the toilet as easy to install with instructions and video guidance; however, the supplied information does not give the toilet’s overall dimensions or weight, so check the product listing for those details if access to your bathroom is tight.
Pros:
- Ceramic construction is specifically stated.
- Includes an elongated seat and soft-close feature.
- Lists a 12-inch rough-in and 1.28 GPF flush.
- Includes a stated two-year warranty.
Cons:
- The 21-inch height may be uncomfortable for users who prefer a lower seat.
- The supplied description does not include full overall dimensions.
Verdict: Consider this model if ceramic construction, a stated 12-inch rough-in and the listed warranty are priorities for your 21-inch toilet search.
4. Simple Project 21-Inch Tall Toilet: A Soft-Close Pick for Shared Bathrooms
This Simple Project toilet is listed at 21 inches and is intended for seniors, taller people, pregnant users and people with disabilities. Its soft-close seat is a practical feature in a shared bathroom, while the 1.28 GPF single-flush system keeps the listed water use consistent with the other choices in this roundup.
The description also gives a 1000-gram waste-removal capacity. That specification may help when comparing models, but it does not replace checking the bathroom’s plumbing requirements. Unlike the first three options, the supplied product details do not state a rough-in measurement, so confirm fit with the seller or full product listing before ordering.
Because the full dimensions and construction material are not specified in the supplied information, this option is harder to evaluate for tight spaces or buyers with particular material preferences. Its central appeal is the combination of a very high seat, soft-close function and stated flush capacity.
Pros:
- 21-inch listed height is aimed at users who need a taller seat.
- Includes a soft-close seat.
- Lists a 1.28 GPF single-flush system and 1000-gram waste-removal capacity.
- Product description identifies several intended user groups.
Cons:
- The supplied details do not state the rough-in measurement.
- Construction material and overall dimensions are not provided in the supplied description.
Verdict: This model is worth considering if its listed features suit you, but confirm the rough-in and dimensions before committing.
5. Simple Project 21-Inch Two-Piece Toilet: Best for Buyers Who Prefer a Two-Piece Design
This Simple Project option is a 21-inch extra-high toilet described as a two-piece design. It includes a soft-close seat and a 1.28 GPF single-flush system. The listing also states a 1000-gram waste-removal performance figure, which gives shoppers another specification to compare with the other models.
The product description says installation instructions and videos are provided. However, it does not specify the rough-in, material or overall dimensions in the supplied information. Those omissions matter: confirm the plumbing fit before buying, and check whether the two-piece configuration can be moved through doorways and installed in your space.
A two-piece toilet may be a familiar format for homeowners and installers, but this listing does not give enough detail to compare its exact footprint or installation requirements with the other toilets. Its clearest advantages are the specified two-piece construction, soft-close seat and high bowl design.
Pros:
- Two-piece construction is explicitly stated.
- 21-inch listed height with a soft-close seat.
- Uses a 1.28 GPF single-flush system.
- Lists a 1000-gram waste-removal performance figure and installation guidance.
Cons:
- The supplied product details do not state a rough-in measurement.
- Material and full dimensions are not specified in the supplied description.
Verdict: Choose this model if you specifically want a 21-inch two-piece toilet, but confirm the dimensions and rough-in before ordering.
How to Choose a Toilet Higher Than 17 Inches
Confirm what the height measurement means
Each option is described as 21 inches high, but the supplied details do not clearly explain whether that measurement is to the bowl rim or the top of the seat. Those are different reference points. Check the full product specifications and compare the measurement with the height you need before buying. If possible, try a similar seat height in person to see how it feels when sitting and standing.
Measure your rough-in and bathroom space
The rough-in is the distance from the finished wall behind the toilet to the center of the floor drain. The first three toilets in this guide list a 12-inch rough-in; the supplied descriptions for the other two do not. Measure your bathroom and verify the toilet’s rough-in, overall depth and width before ordering. Also consider doorways, stairs and other access points if the toilet must be carried into the room.
Think about who will use the toilet
A higher seat can make sitting and standing easier for some people, but a 21-inch toilet may feel too tall for others. Consider the needs of everyone in the home, including their height, balance and mobility. If the toilet is for someone with a specific medical or accessibility need, ask a qualified professional whether the listed height and setup are appropriate.
Compare the flush specifications carefully
All five product descriptions list a 1.28 GPF single-flush system. Some also state a 1000-gram waste-removal rating, while one describes a jet siphon mechanism. These are product specifications, not a guarantee of performance in every plumbing setup. Compare the details that are actually listed, and ask the seller for clarification if a flush feature is important to you.
Check the seat and bowl design
An elongated seat is specified for the first three options, while the other listings mention an elongated seat or seat without providing the same level of detail. A soft-close seat is listed across the group. Confirm exactly what is included, especially if you want a particular seat shape or need a replacement seat later.
Review the installation details before purchase
Some listings mention instructions or installation videos, but not all provide the same plumbing or dimension details. Check whether the toilet includes the parts you need and whether its installation requirements match your existing setup. If you are unsure about the rough-in, flange or water connection, consult a plumber before ordering.
Frequently Asked Questions
What does “higher than 17 inches” mean for these toilets?
The toilets in this guide are listed as 21 inches high. Product descriptions do not always make clear whether height is measured to the bowl rim or the top of the seat, so check the manufacturer’s full specifications before comparing it with another toilet.
Can a 21-inch toilet help make sitting and standing easier?
It may help some people by reducing how far they need to bend, but comfort depends on the person and how the height is measured. A 21-inch seat may be too high for some users, so consider the needs of everyone who will use it.
Are these toilets ADA-compliant?
The supplied product details are not enough to confirm that any of these models meet ADA requirements. If accessibility compliance is necessary, check the full product documentation and confirm the requirements with a qualified professional before buying.
Do all five toilets have a 12-inch rough-in?
No. A 12-inch rough-in is specified for the SUPERFLO and the first two Simple Project models. The supplied descriptions for the other two Simple Project toilets do not state their rough-in, so verify that measurement before ordering.
Do these toilets use a lot of water?
Each product description lists a 1.28 GPF single-flush system. Actual water use depends on the flush system and how it is used; check the full product specifications for details about the model you are considering.
Should I install a tall toilet myself?
The listings mention installation instructions or videos for some models, but toilet installation still requires a suitable plumbing connection and a secure fit. If you are not comfortable checking the rough-in or connecting the fixture, hiring a plumber is a practical option.
Final Recommendation
For shoppers who want a taller toilet with a clearly stated 12-inch rough-in, the SUPERFLO is a straightforward option to compare, while the third Simple Project model adds stated ceramic construction and a two-year warranty. The other Simple Project models may suit you if their specific design details match your needs, but confirm missing rough-in and dimension information first. Whichever model you choose, verify the seat-height measurement and bathroom fit before ordering.
