Choose house structure

Calculate converted area and rough construction cost

House structureArea (m²)CoefficientConverted area
Number of floors (including ground floor)

Ground floor

Ground floor must be at least 10m²
100%

75.0 m²

Floor 2 (Level 1)

100%

75.0 m²

Floor 3 (Level 2)

100%

75.0 m²

Mezzanine
Top floor - Stair room & Terrace

Stair/elevator room

100%

10.0 m²

Terrace

50%

20.0 m²

Roof system

Roof

Coefficient 50%
50%

20.0

Foundation and floor

Foundation

Based on ground floor area (75m²)

Auto

50%

37.5

Basement
Total converted area

312.5

Estimated cost (townhouse)
1.593.750.000 đ
Unit price 5.100.000 đ/m² × 312.5
Includes rough labor + materials | Free design
Visualization
RoofStair room 10Terrace 40Floor 2 - 75m²Floor 1 - 75m²Ground 75m²Foundation
📐 Actual area: 225 m²
📊 Converted: 312.5 m²
🏢 Floors: 3
POSKA COMPANY LIMITED