interior design estimate calculator
estimated quote
0 won
average range—
Per 3.3㎡ (pyeong)—
Itemized estimates
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This is an estimate for reference only.
Actual estimates may differ by ±30 to 50% depending on the balance, structure, condition of existing finishing materials, region, and company.
To compare official quotes, we recommend using a standard contract + quotes from three or more companies.
Based on unit price (average apartment in the metropolitan area)
| item | basic | middle | premium | unit |
|---|---|---|---|---|
| Wallpaper (silk) | 18,000 won | 25,000 won | 35,000 won | per ㎡ |
| Flooring (hardwood floor) | 40,000 won | 60,000 won | 90,000 won | per ㎡ |
| Stamp (water-based) | 12,000 won | 18,000 won | 26,000 won | per ㎡ |
| 1 bathroom (including demolition) | 2.5 million won | 4 million won | 7 million won | per piece |
| Kitchen L-shaped 4m | 4 million won | 6.5 million won | 12 million won | ceremony |
| Sash (33 pyeong total) | 9 million won | 14 million won | 22 million won | ceremony |
| Balcony expansion (1 side of living room) | 3 million won | 4.5 million won | 7 million won | Per side |
| Lighting Replacement (All) | 800,000 won | 1.5 million won | 3 million won | ceremony |
| visit replacement | 300,000 won | 450,000 won | 700,000 won | per piece |
| Built-in closet | 1.2 million won | 1.8 million won | 2.8 million won | per m |
May vary by ±30~50% depending on time, region, and company. This unit price is an estimate that combines apartment quotation data from the Korea Land and Housing Corporation (LH) and the Ministry of Land, Infrastructure and Transport, as well as the published average values from commercial interior design platforms (Zipdoc, Today's House, etc.).
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disclaimer This calculator is for general reference purposes only. Actual estimates vary greatly depending on on-site measurements, existing conditions, and changes to the structure, and we recommend comparing the standard contract (Fair Trade Commission) with estimates from three or more companies before construction.