Washing Machine Placement and Drain Pan Checkpoints — Guide to Using In-Unit vs. Shared Laundry

When viewing rental properties, the "washing machine placement" is often an overlooked feature. Depending on the property, the location, size, and setup of the washing machine area can vary greatly. Without checking beforehand, issues such as "the washing machine won't fit," "drains clog easily," or "noise is bothersome" can arise after moving in.

Types of Washing Machine Placement

In-Unit Washing Machine Placement (Indoor)

• •Installed in the bathroom, changing area, or dedicated space
• •Convenient to use even on rainy days
• •Vibration and noise can be heard inside the unit
• •Often equipped with a drain pan (water-catching tray)

Outdoor Washing Machine Placement (Balcony/Patio)

• •Drain pans are often installed
• •Risk of the washing machine freezing in winter (in northern Japan and high-altitude areas)
• •Noise is less likely to disturb the interior
• •A waterproof cover may be needed on rainy days

Shared Laundry Room

• •The property has shared washing machines and dryers
• •No need to purchase your own washing machine (saves on initial costs)
• •Check available usage times and congestion levels
• •Limited flexibility in choosing when to do laundry

Drain Pan Checkpoints

A drain pan is a water-catching tray installed beneath the washing machine. It catches water leaks and condensation from the machine, preventing water damage to the floor and leaks to the unit below.

Size Verification Is Critical

Drain pans come in several sizes: 60cm square, 640mm × 640mm, 740mm × 640mm, 816mm × 640mm, and others. If the washing machine's feet don't fit inside the drain pan, the machine cannot be properly secured and may shift during operation.

Verification Steps

1. Measure the drain pan size during the apartment viewing (bring a measuring tape)
2. Check the depth, width, and foot position of your current or planned washing machine beforehand
3. Confirm that the washing machine's feet will fit within the pan's interior dimensions

Drum-type washing machines with a capacity of 7kg or larger are typically bulky and often won't fit in older properties' 60cm square drain pans. Extra caution is needed if you plan to use a drum-type machine.

Water Tap Position and Height

The position and height of the washing machine faucet are also important. When the washing machine is placed on the drain pan, check that the faucet is at the right height to connect to the washing machine's inlet hose. If the faucet is too low, the washing machine may not fit, or the hose may bend excessively.

Drain Outlet Location

Check where the drain outlet is located on the drain pan. Verify that the washing machine's drain hose can reach the outlet, and that the drain area can be cleaned after the washing machine is in place. Most drain pans have the outlet at one of the four corners, but some have the outlet in the center, which may interfere with where the washing machine feet need to be placed.

Choosing Between In-Unit and Coin Laundry

If the property doesn't have a washing machine placement, or the drain pan size won't accommodate your machine, nearby coin laundry facilities are an option.

When Coin Laundry Is the Better Option

• •Short-term assignments or stays where you don't want to buy a washing machine
• •Washing large items like futons and blankets (difficult with a home washing machine)
• •Dryers available, making laundry easier during the rainy season and winter
• •The property has no washing machine placement (or only outdoor)

Drawbacks of Coin Laundry

• •Costs ¥200–800 per use (wash + dry)
• •Inconvenient if there's no nearby facility
• •Wait times during busy hours
• •Limited privacy (others may be watching)

Monthly Cost Comparison (3 loads per week)

For long-term residency, a home washing machine is far more cost-effective.

Noise and Vibration Management for Washing Machines

In properties with in-unit washing machine placement, vibration and noise from the washing machine can cause neighbor disputes. While early morning and late-night use should be avoided, using an anti-vibration mat is an effective solution.

An anti-vibration mat, placed under the drain pan or beneath the washing machine's feet, absorbs vibration and reduces sound transmission to the unit below. These mats are available at home improvement stores for around ¥1,500–3,000.

Summary

When choosing a washing machine placement, don't just check whether one exists—also confirm the drain pan size, faucet position, and drain outlet location during your viewing. Check beforehand whether the size matches your current or planned washing machine, and if it doesn't, consider alternatives (upgrading your machine or using coin laundry facilities). Washing machine placement is often overlooked when choosing a property, but since it's a facility you use every day, we recommend checking it carefully.