Toilet Sink Combo

May 8, 2023

The Concept of a Toilet Sink Combo

In recent years, the design world has taken a strong interest in creating combination units. These innovative fixtures not only look aesthetically pleasing and help save space, but they also serve the purpose of two different devices. One such combination that has gained a fair amount of popularity is the toilet sink combo.

As the name suggests, a toilet sink combo is a single product that combines a toilet and a sink. It features a basin that’s built into the top of the toilet tank, providing convenient handwashing capabilities after using the toilet. The unit also includes a faucet and a drainage mechanism that helps drain the water from the sink into the toilet tank.

The Benefits of a Toilet Sink Combo

There are many reasons why homeowners or business owners prefer toilet sink combos over traditional separate units. Here are some of the benefits that a toilet sink combo offers:

Saves Space

A major benefit of toilet sink combos is that they save space. Typically, bathrooms are designed to be as compact as possible, and therefore, it can be challenging to fit separate toilet and sink units in the same space. By using a toilet sink combo, you can eliminate the need for a separate sink, creating more free space in your bathroom.

Water Savings

Another benefit offered by toilet sink combos is the ability to save water. These fixtures come with a mechanism that recycles the water used in the sink by draining it into the toilet tank. The water then gets reused to flush the toilet, reducing the amount of freshwater required to fill up the tank.

Improved Hygiene

One of the major reasons for creating the toilet sink combo was to improve hygiene. By having a sink built into the top of the toilet tank, it reduces the need for people to touch other surfaces in the bathroom when washing their hands. This helps maintain cleanliness and reduce the risk of spreading germs and bacteria.

Types of Toilet Sink Combos

Toilet sink combos are available in several different types. Each has its features, advantages, and disadvantages.

Separate Sink and Toilet Combo

This type of combo has the sink and the toilet tank separate from one another. It uses a water-saving system to enable the water from the sink to drain into the toilet tank, thus reducing water wastage. Separate sink and toilet combo units are available in a variety of styles and designs, catering to a broad range of preferences.

Built-in Sink and Toilet Combo

This is a type of combo where the sink is built directly onto the top of the toilet tank. It is a more compact design that is perfect for bathrooms that have limited space. Built-in sink and toilet combos come with their plumbing system that ensures the sink water empties into the toilet tank after use.

Wall-mounted Sink and Toilet Combo

A wall-mounted sink and toilet combo is designed to be mounted on the wall, providing a sleek and stylish look to your bathroom. It is ideal for modern and contemporary designs and is easy to install. This type of combo is a popular choice for those in search of a space-saving fixture.

Factors to Consider Before Purchasing a Toilet Sink Combo

Before you rush to purchase a toilet sink combo, there are several things that you should consider. Here are some of the factors to consider:

Bathroom Size

The size of your bathroom is a crucial factor to consider before purchasing a toilet sink combo. These fixtures come in various sizes, designs, and shapes. Consider the available space in your bathroom as this will determine the type and size of combo that you can install.

Materials and Durability

The materials used in making the toilet sink combo play an essential role in its durability and sustainability. Look for a combo unit that is made of high-quality materials that can withstand constant use without deteriorating quickly. Also, consider the ease of cleaning and maintaining the unit.


Toilet sink combos are available at different price points. Consider your budget when shopping for a combo unit. You can find affordable options that meet your needs without breaking the bank.


Toilet sink combos are innovative and convenient fixtures that offer many benefits. They are perfect for small bathrooms, where space is limited, and water conservation is crucial. When shopping for a toilet sink combo, consider your bathroom size, budget, materials, and durability. With the right toilet sink combo, you can save space, water, and improve your hygiene.



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I enjoy designing and curating experiences both virtually and in 3-dimensional reality. I have a Bachelor of Architecture from the Illinois Institute of Technology and currently practice professionally, but I also manage a few other ventures.
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