30×40 4BHK Duplex House Plan (Actual Size 30×42.25 Ft) with 2 Kitchens, Central Staircase & 4 Bedrooms

30x40 duplex-style 4BHK floor plan (actual size approximately 30x42.25 ft with one side slightly angled at 42 ft) featuring symmetrical upper and lower residential units with central staircase access. The layout is 30 feet wide and approximately 42 feet deep. The plan includes four bedrooms, each measuring 14x12 feet—two positioned at the top section and two at the bottom section. Two kitchens (each approximately 9x7.5 feet) are located on the left middle portion, serving separate living units. Two drawing rooms (approximately 9x6.5 feet each) are positioned adjacent to the kitchens. A centrally located staircase measuring approximately 14x7 feet provides vertical circulation. Two toilets (each 5x10 feet) are placed on the right side aligned vertically. The design shows door swings, wall thickness, internal dimensions, and furniture placement for clarity.

30×40 4BHK Duplex House Plan (Actual Size 30×42.25 Ft) with 2 Kitchens, Central Staircase & 4 Bedrooms

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Explore this intelligently planned 30×40 duplex 4BHK house design (actual size approximately 30×42.25 ft) created to accommodate two independent residential units within a single structure. Ideal for rental income or extended family living, this layout efficiently utilizes a 30-foot-wide plot while maintaining functional zoning and structural symmetry.

The plan includes four spacious bedrooms, each measuring 14×12 feet, ensuring ample comfort and flexibility in furniture placement. Two bedrooms are placed at the top and two at the bottom, offering a balanced configuration for dual-family occupancy.

Each level includes a dedicated kitchen (approximately 9×7.5 feet) and a drawing room (around 9×6.5 feet), enabling independent living arrangements. The central staircase, measuring approximately 14×7 feet, provides convenient and private vertical access between floors.

Two vertically aligned toilets (5×10 feet each) are located on the right side, ensuring efficient plumbing alignment and structural practicality. The symmetrical layout enhances ventilation, circulation, and overall usability.

This 30×40 duplex house plan is ideal for urban residential construction, investment properties, or families seeking flexible multi-unit housing within optimized dimensions and practical architectural planning.

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