Interior Remodeling Order and Timeline in Korea: Step-by-Step Work Sequence

In interior work, sequence is quality. Hang wallpaper before the wiring is finished and you will tear it off again; lay the new floor before the bathroom tiling and you risk damaging it. This guide explains the usual order for a full apartment remodel in Korea, what to check at each stage, and the per-trade working days used by the K Real Estate remodeling estimator (84㎡ unit, as of October 2026). Sites and contractors vary, so ask for a written schedule at contract time and compare it with this flow.

Before work starts (2–4 weeks ahead)

1. Measure and fix the scope. Decide which trades you will do and at what grade. A shifting scope pushes the whole schedule back.
2. Compare quotes and sign. Get two or three quotes on identical terms, and attach the schedule, material specifications and payment plan to the contract. See our interior contract checklist.
3. Choose materials early. Tiles, wallpaper, flooring and light fixtures have stock and lead times. Picking them before work begins keeps crews from waiting. Our guide to choosing material grades helps here.
4. Notify the management office and neighbors. Covered in its own section below.

The standard work sequence

For an 84㎡ unit with two bathrooms, the estimator puts a standard full remodel at about 19–26 working days, after accounting for overlapping trades. If your complex bans weekend and holiday work, the calendar time is longer. Smaller scopes are much quicker: wallpaper and floor only takes about 5–7 days, and a move-in refresh (wallpaper, wood flooring, lights, outlets, door film) about 9–12 days.

Why this order

• Demolition first. Only after stripping do you see corroded pipes, uneven floors or old condensation damage. Hidden problems surface here, which is why you keep a contingency budget.
• Wet work early. Bathroom waterproofing and plumbing should be finished before finishes go in, so any leak causes little damage. After waterproofing, ask for a flood test: the floor is filled with water and left for at least a day to confirm nothing leaks to the unit below.
• Dusty work before clean work. Demolition, windows, carpentry and tiling create dust and impact; wallpaper, flooring and cabinets are easily damaged, so they come last.
• Wallpaper usually before flooring. Paste and ladders can mark a brand-new floor. Some contractors reverse the order depending on materials, so simply ask why their schedule does it that way.
• Electrical happens twice. Wiring is run during carpentry (first fix) and the fixtures, switches and outlets go on at the end (second fix). Decide furniture layout before the first fix so outlets end up where you need them.

Living in the unit during work

The estimator adds about 8% to labor and about 30% to the schedule if you stay in the apartment. A standard full remodel of 84㎡ stretches from about 19–26 to 25–33 working days.

• Work goes room by room: belongings are piled into one room while another is done, then swapped, so trades repeat.
• With two bathrooms, they are done one at a time so you always have one. Cooking is difficult while the kitchen is being redone.
• Demolition and tiling bring dust and noise, and paint and adhesives bring odors. If you have young children, elderly family members or pets, consider staying elsewhere at least for those days.
• For a full remodel, storage moving (the mover keeps your belongings for a few weeks) and working in an empty unit often saves money and gives better results. You can compare movers on moving company matching.

Management office notice and neighbor consent

Apartment work affects shared spaces and neighbors, so complexes require some steps before you start. Forms and consent rules differ by each complex's management bylaws, so ask the management office (gwanli samuso) first.

1. Submit a work notice with dates, scope, and the contractor's name and phone number.
2. Collect neighbor consent. Many complexes ask for signatures from households in the same building or stack. The contractor often gathers them, but greeting neighbors yourself with the schedule and a contact number prevents many complaints.
3. Post a notice in the elevator and on the board, flagging the loudest days such as demolition and tiling.
4. Book elevator protection and use for deliveries and waste removal.
5. Keep to permitted hours. Many complexes allow noisy work only on weekday daytime hours and ban it on weekends.

Stage-by-stage inspection checklist

• Right after demolition: photograph pipe corrosion, floor cracks, mold or condensation around window frames
• After waterproofing: confirm the flood test result and keep photos
• After first-fix electrical: outlets, switches, TV and internet ports match the plan
• Before wallpaper: wall surface preparation, window sealing finished
• After flooring: no squeaks, doors clear the floor, no gaps at skirting boards
• Before handover: every faucet, drain, light and switch works; write a defect list before the final payment

For costs by trade, see the 84㎡ remodeling cost guide. The working days here are estimator values as of October 2026; actual duration depends on site conditions and your complex's rules.