How to Make a Toilet Taller: Six Ways Compared, Cheapest First

There are six practical ways to raise a toilet, and they range from twenty-five dollars and ten minutes to a thousand dollars and a plumber. Most people reach for the most expensive one first, because replacing the toilet is the option that comes to mind.

This guide compares all six on what they add, what they cost, whether they can be undone, and — the part usually skipped — whether they give the person something to push up from, which is often the real problem behind “the toilet is too low”.

First, work out how much you need 📏

1. Measure what you have. Floor to the top of the seat, not the rim. Most standard toilets come out at 15 to 16 inches.
2. Sit them on it and look at the knees. Well above the hips means the toilet is low for them.
3. Find the target with a book test. Have them sit on a firm chair, then on the same chair with a folded towel or a book or two, until standing feels easy and the feet stay flat.
4. Measure that seat height. Subtract your toilet’s current height, and the difference is what you need to add.
5. Check the feet at the target. If the heels lift, the target is too high, whatever it felt like on the way up.

All six methods compared 📊

Look at the “arms” column. Only two of these give the person something to push up from — and for a great many people that matters more than any of the inches.

1. Raised toilet seat 🪑

A molded seat that clamps over the existing bowl, adding two to six inches. The default answer for most situations, and the one to try first even if you intend to do something permanent later.

• Best for: testing a height, temporary need after surgery, renting, or simply as a permanent low-cost solution.
• Fitting: minutes, no tools on most models.
• Check first: whether your bowl is round or elongated. They are not interchangeable and a loose seat is a hazard.
• Look for: a clamp that tightens firmly rather than sitting by gravity, and a height that adjusts if you are still testing.
• Watch for: shifting. A seat that moves as someone sits down is worse than no seat at all — retighten it weekly.

2. Raised seat with arms 💪

The same thing with armrests on both sides. Costs roughly twice as much and is frequently the correct answer, because the difficulty people describe as “the toilet is too low” is very often “I have nothing to push against”.

• Best for: anyone who reaches for the sink, the towel rail or the wall when standing.
• Also good for: lowering yourself under control, which is where a lot of falls actually begin.
• Check first: the arms clear the space beside the toilet, and that nothing else needs that space.
• Watch for: models where the arms fold or lift, if the bathroom is shared.

3. Bolt-under seat riser 🔩

A spacer that sits between the bowl and the existing seat, bolted through the same holes. Adds two to four inches and looks considerably more built-in than a clamp-on seat.

• Best for: a permanent solution where appearance matters, or where a clamp-on seat keeps shifting.
• Advantage: the normal seat and lid stay in use, so the toilet still looks and works like a toilet.
• Fitting: about half an hour. The seat comes off, the riser goes on, the seat goes back.
• Check first: that the bolt spacing matches, and that the longer bolts supplied will reach.
• Watch for: the gap it creates between bowl and seat, which needs cleaning more often than people expect.

4. Thicker toilet seat 📐

The most invisible option and the smallest. A chunky seat adds half an inch to an inch and a half over a thin one — which sounds trivial and occasionally is exactly enough.

• Best for: someone who is nearly comfortable, or a household where visible equipment is being resisted.
• Advantage: nobody can tell. No conversation, no stigma, no adaptation to the bathroom’s appearance.
• Also worth it: a soft-close seat prevents the drop-and-bang that startles people, and padded seats help where sitting is uncomfortable.
• Limit: if you need more than about an inch and a half, this is not your answer.

5. Commode over the toilet 🔑

A 3-in-1 commode with the pail removed, standing over the existing toilet. It gives adjustable height and arms on both sides — and it is the option most people have never considered.

• Best for: anyone who needs both height and support, and anyone who may also need a commode beside the bed at night.
• The financial point: a commode can qualify as durable medical equipment under Medicare, while a raised toilet seat and a grab bar generally do not. This is the one route to getting the height and the arms funded.
• Check first: that the frame straddles your toilet, and that there is floor space around it.
• Downside: it occupies the space permanently and looks like medical equipment, which some people mind a great deal.
• Bonus: put the pail back and it works beside the bed, which is when a lot of falls happen.

6. Replace the toilet, or raise the floor 🚽

The permanent options. Both are real answers in the right circumstances and both are frequently reached for too early.

Replacing with a taller toilet

• Best for: a permanent need, a bathroom being remodeled anyway, or where visible equipment is unacceptable.
• Gains: looks entirely normal, nothing to clean around, nothing to retighten.
• Check first: the rough-in — wall to waste center, usually 12 inches. Get it wrong and it will not fit.
• Check also: seat height rather than rim height, and add the thickness of any flooring still to be laid.
• Remember: it gives you no arms. Budget for a grab bar in the same job.

Building a plinth

A raised platform under the toilet, tiled to match. It works, and it is occasionally the only way to gain height when the toilet itself cannot be changed. But it introduces a step at the base of the toilet, which is a trip hazard positioned exactly where someone is turning around on a hard floor. Consider it a last resort rather than a neat solution.

When height is not the problem ✋

This deserves its own section because it is the single most common misdiagnosis. Watch the person stand up.

Only one row in that table is solved by height alone. If they are reaching for something to hold, adding inches will not help — and it is entirely possible to spend $700 on a taller toilet and leave the actual problem untouched.

Common mistakes (with fixes) 🔍

Pro tips 💡

• Test at night. Balance is worst at 3am, and a height that felt fine at noon can feel wrong then.
• Keep a footstool in the room. It restores the knee angle for emptying the bowel, which a higher seat works against.
• Add the grab bar at the same time. Height helps you stand; a bar gives you something to stand with.
• Choose a contrasting seat color. Free at replacement time, and much easier to locate as vision declines.
• Check what everyone else in the house needs before committing to anything permanent.
• Ask the occupational therapist if one is involved — they measure this for a living and often spot the arms-versus-height distinction immediately.
• Keep the receipt and any doctor’s letter. Both matter for HSA, FSA and the medical expense deduction.

What this looks like in real life 🏡

“We bought the toilet, then bought the seat anyway”

A new comfort height toilet, professionally fitted, $840 all in. He still could not stand up from it, because what he had needed all along was something to push against. A $70 seat with arms went on top of the new toilet three weeks later and solved it.

“A thicker seat was the whole answer”

She was resistant to anything that looked like equipment in her bathroom, and the family was braced for a difficult conversation about a raised seat. A chunky soft-close seat added about an inch and a quarter. It was enough, and nobody had to have the conversation.

“The plinth became the hazard”

Three inches gained by building up the floor under the toilet, tiled to match, and it looked excellent. It also created a step at the base of the toilet, on hard tile, exactly where she turned to sit down. She caught her heel on it within a month.

Frequently asked questions ❓

How can I make my toilet taller cheaply?

A raised toilet seat is the cheapest real answer at $25 to $90, adding 2 to 6 inches and fitting in minutes with no tools. If you need less than about an inch and a half, a thicker seat costs $25 to $70 and is completely invisible. Both are reversible, which makes them the right first move even if you later decide on something permanent.

How much taller should I make the toilet?

Usually two to four inches — most people need less than they expect. Find the target by having the person sit on a firm chair, then on the same chair with a folded towel or a book or two, until standing feels easy. Measure that height, subtract your toilet’s current seat height, and the difference is what to add. Then check the feet stay flat on the floor at that height.

Is it better to raise the toilet or buy a new one?

Test with a raised seat first in almost every case. It costs a fraction as much, fits in minutes, and tells you within a week whether the height genuinely helps — and quite often the raised seat turns out to be the right permanent answer rather than a stopgap. Replace the toilet when the need is permanent, the bathroom is being remodeled anyway, or visible equipment is genuinely unacceptable.

What if the toilet height is not the real problem?

Watch them stand up. If they reach for the sink, the towel rail or the wall, the problem is a lack of support rather than height, and adding inches will not fix it. If they rock forward several times before rising, it is leg strength and they need both height and arms. Only knees sitting well above the hips points to height alone.

Can a raised toilet seat be covered by insurance?

Generally not by Original Medicare, which treats raised toilet seats as convenience items. A 3-in-1 commode standing over the toilet can qualify as durable medical equipment though, and it provides the same extra height plus arms on both sides — so it is worth asking the physician about that specifically. Buying either item retail first usually forfeits coverage you would otherwise have qualified for.

Will a raised toilet seat fit my toilet?

Only if you match the bowl shape. Measure from the seat bolt holes to the front edge of the bowl: roughly 16.5 inches is a round bowl, roughly 18.5 inches is elongated, and the two take different seats. A seat that does not fit properly will shift as someone sits down, which is more dangerous than having no raised seat at all.

Checklist ✅

The bottom line

Six methods, and the cheapest one should almost always be tried first. A raised seat costs $25 to $90, fits in minutes, and tells you within a week whether the height was really the problem — which is knowledge worth having before spending $700 on a fixture you cannot return.

And before any of it, watch them stand up. If they reach for the sink or the towel rail, no amount of extra height will help — they need arms, a grab bar, or a frame. That single observation prevents the most expensive mistake in this whole area.

Keep reading: Tall Toilets: 19, 20 and 21 Inch · Raised Toilet Seats Buying Guide · 3 Inch vs 5 Inch Raised Toilet Seat · How to Measure for a Raised Toilet Seat · Does Medicare Cover Raised Toilet Seats? · Commode Height Explained · 3-in-1 vs Bedside Commode vs Raised Seat

General information, not medical advice. If someone is recovering from hip or knee surgery, ask their surgeon or physical therapist about seat height — post-operative precautions override general guidance.