เตรียมตัวก่อนย้ายเข้าคอนโดเช่า: สิ่งที่ต้องทำใน 30 วันแรก

You signed the lease, transferred the deposit, and now you're holding the key card to your new condo. Congratulations. But before you start arranging furniture and posting Instagram stories of your river view, there's a solid checklist of things you need to handle in the first 30 days. Skip any of these steps and you could end up with surprise bills, broken appliances nobody wants to fix, or worse, a landlord who claims damage you never caused. I've moved into five different condos across Bangkok over the past seven years, and every single time I wish I had been more organized from day one. This guide is everything I've learned, packed into the timeline that actually matters.

Week One: Document Everything Before You Unpack a Single Box

This is the most important thing you will do as a renter, and most people skip it entirely. Before you move any furniture in, walk through every room with your phone and take photos and videos of every wall, floor tile, countertop, appliance, and fixture. Open every cabinet. Run every faucet. Flush the toilet. Turn on the air conditioning and let it run for 20 minutes. Check the balcony door track. Look under the sink for leaks.

Write all of this down in a condition report and send it to your landlord or property manager by email so you have a dated record. This one step can save you tens of thousands of baht when you move out. Without it, landlords can deduct repair costs from your deposit for damage that existed before you arrived.

A friend of mine moved into a one bedroom unit at Life Asoke Hype near MRT Phetchaburi. He noticed a crack in the bathroom mirror but didn't bother documenting it. When he moved out 12 months later, the landlord charged him 8,500 THB for a mirror replacement. No photo evidence, no argument. Don't be that person.

If your landlord provides a move-in checklist, fill it out together during the walkthrough. If they don't provide one, create your own. According to DDproperty's rental guides, documenting unit condition at move-in is one of the top recommendations for renters to protect their security deposit.

Week One to Two: Set Up Utilities and Internet Immediately

Most condos in Bangkok include water and electricity in a shared meter system, which means you pay the building's rate rather than the government rate. This is important to understand because condo electricity rates typically run 7 to 9 THB per unit, while the Metropolitan Electricity Authority's residential rate averages around 4 THB per unit. That difference adds up fast, especially if you run the AC all day during hot season.

Ask your juristic office exactly how billing works. Some buildings bill monthly, others every two months. Find out if there is a separate charge for common area maintenance, parking, or other fees that might not have been obvious in the lease.

For internet, don't rely on the building's included Wi-Fi if it has any. It's almost always terrible. Get your own fiber line installed. AIS Fibre and True Online are the two biggest providers. AIS offers packages starting around 599 THB per month for 500 Mbps, which is more than enough for working from home and streaming. You can check current packages on the AIS website. Installation usually takes three to five business days, so schedule it during your first week.

One thing people forget is the TV box and landline that many ISPs try to bundle in. You almost certainly don't need either. Negotiate for an internet-only plan and save yourself 200 to 400 THB per month.

Week Two: Get to Know Your Building and Neighborhood

Spend time exploring the actual building during your second week. Find out where the mailroom is, what the gym hours are, whether the pool has specific quiet hours, and how garbage disposal works. Some buildings like Ideo Q Sukhumvit 36 near BTS Thong Lo have strict rules about garbage separation and disposal times. Break those rules and you'll get a warning letter slipped under your door faster than you can say "recycling."

Introduce yourself to the juristic office staff. These are the people who will help you when your AC leaks at midnight or when a package goes missing. Being friendly and respectful goes a long way in any Bangkok condo.

Then explore your neighborhood on foot. Find your nearest 7-Eleven, pharmacy, laundry service, and street food spots. Locate the closest BTS or MRT station and time your actual commute during rush hour, not on a lazy Sunday afternoon. According to CBRE Thailand's 2024 Bangkok residential report, proximity to mass transit remains the single biggest factor influencing rental pricing, with condos within 500 meters of a BTS or MRT station commanding rents 20 to 30 percent higher than those further away.

If you moved to the Ari area, for example, check out the weekend market near BTS Ari, the coffee shops along Soi Ari 1, and the surprisingly good food court at La Villa mall. Knowing your neighborhood makes a new condo feel like home much faster.

Week Two to Three: Handle Registration and Admin Tasks

If you are a foreigner on a long-term visa, you are legally required to report your new address to immigration within 24 hours of moving in. In practice, this is handled through the TM30 form, which your landlord is technically responsible for filing. But many landlords either don't know about this requirement or simply won't do it unless you remind them. You can check the requirements on the Immigration Bureau website.

If your landlord won't file the TM30, you can do it yourself online through the immigration bureau's notification system. Keep a copy of the confirmation. You will need it for visa renewals, work permit applications, and 90-day reporting.

For Thai nationals, the process is simpler but still worth handling. Update your address on your national ID card at your local district office if you plan to stay long term. Also update your address with your bank, especially if you receive physical statements or important documents by mail.

This is also a good time to review your renter's insurance options. Many people don't realize that the building's insurance only covers the structure, not your personal belongings. A basic renter's insurance policy in Bangkok runs about 2,000 to 5,000 THB per year and covers theft, fire, and water damage to your stuff.

Week Three to Four: Test Everything and Build Your Maintenance Contacts

By your third week, you've been using the appliances, the plumbing, and the electrical system enough to know if something is off. Does the washing machine vibrate like it's about to launch into orbit? Does the hot water take 10 minutes to kick in? Is there a weird smell coming from the AC unit? Now is the time to report these issues.

Most lease agreements include a clause that gives you 7 to 14 days to report pre-existing defects. Even if you're past that window, report issues immediately and in writing. Email is best because it creates a paper trail. A quick LINE message might feel easier, but messages can be deleted and are harder to reference later in a dispute.

Build a small contact list for emergencies. Get the juristic office number, your landlord's direct number, a reliable locksmith, and a local handyman. If you live in an older building like those along Sukhumvit Soi 39 or Soi 49, you'll probably need a handyman more often than you think. Older units tend to have issues with water pressure, aging AC compressors, and temperamental water heaters.

Task	When to Complete	Estimated Cost (THB)	Why It Matters
Photo and video walkthrough of unit condition	Day 1	Free	Protects your deposit at move-out
Set up fiber internet (AIS or True)	Days 1 to 7	599 to 999 per month	Essential for work and daily life
Understand electricity and water billing	Days 1 to 7	Varies (electricity at 7 to 9 per unit in most condos)	Avoids bill shock at end of month
File TM30 address notification (foreigners)	Within 24 hours (legally)	Free	Required by immigration law
Explore neighborhood and time commute	Week 2	Free	Helps you settle in and plan daily routine
Report any maintenance issues in writing	Weeks 2 to 3	Free (landlord's responsibility)	Creates a paper trail for disputes
Get renter's insurance	Week 3	2,000 to 5,000 per year	Covers personal belongings against theft and damage
Build emergency contact list	Week 4	Free	Saves time during urgent situations

The First Month Sets the Tone for Your Entire Lease

Think of your first 30 days as an investment in a stress-free rental experience. Every photo you take, every email you send, every utility bill you question, all of it builds a foundation that protects you for the next 12 months or longer. The average rent for a one-bedroom condo near central Bangkok BTS stations like Asok, Phrom Phong, or Thong Lo currently ranges from 18,000 to 35,000 THB per month depending on the building age and amenities. At those prices, you want to make sure you're getting what you're paying for from the very start.

The renters who have the smoothest experiences are the ones who treat move-in day like a business transaction, not just an exciting life event. Be thorough, be organized, and communicate clearly with your landlord. It makes everything easier down the road when you need a repair, want to negotiate a lease renewal, or eventually move out and want your full deposit back.

If you're still searching for the right condo or want help comparing options across Bangkok's best neighborhoods, check out superagent.co. Superagent's AI-powered platform helps you find, compare, and book condo rentals across Bangkok, so you can spend less time searching and more time actually settling into your new place.