Cost guide
Building Construction Cost per Square Foot in Bangladesh
The building construction cost per square foot in Bangladesh is about ৳1,800 to ৳2,500 for residential buildings and ৳2,500 to ৳3,500 for commercial buildings in 2026. See examples by plot size, what the rate includes and what to budget for separately.
2026 rates
Construction cost per sq ft in Bangladesh by building type
Rates are for the built floor area. Your own rate depends on the soil, the foundation, the finish and the materials named in the BOQ.
| Building type | Rate per sq ft (2026) | What the rate covers |
|---|---|---|
| Residential building | ৳1,800 to 2,500 | Structure and standard finishing |
| Commercial building | ৳2,500 to 3,500 | Wider spans, facade, heavier services |
| Duplex house | ৳1,800 to 2,500 | Two floors plus roof, standard finishing |
Source: Green Architect BD, Building Construction Cost in Bangladesh 2026. Excludes land, design fees, approval, boundary wall and interiors.
Building construction cost examples by plot size
Built area is plot area times ground coverage times the number of floors. Multiply by the rate to get a first budget.
| Plot and floors | Built area | Cost at ৳1,800 to 2,500 / sq ft |
|---|---|---|
| 3 katha, G+3 (4 floors) | 5,184 sq ft | ৳93 lakh to 1.3 crore |
| 5 katha, G+5 (6 floors) | 12,960 sq ft | ৳2.3 to 3.2 crore |
| 5 katha, G+7 (8 floors) | 17,280 sq ft | ৳3.1 to 4.3 crore |
| 10 katha, G+9 (10 floors) | 43,200 sq ft | ৳7.8 to 10.8 crore |
Worked out at 60% ground coverage (1 katha = 720 sq ft). Allowed coverage and floors depend on road width and local rules. Source: Green Architect BD, Building Construction Cost in Bangladesh 2026. Excludes land, design fees, approval, boundary wall and interiors.
What is inside the per sq ft rate
Ask the contractor to list each of these with materials and brands. That is what makes quotes comparable.
Foundation
Footings or piles, depending on the soil test.
RCC frame
Columns, beams and every slab or roof casting.
Brickwork
Outer and inner walls with plaster.
Doors and windows
Standard frames, doors and window grills.
Electrical and plumbing
Wiring, points, water lines and drains.
Tiles and paint
Standard floor tiles and wall paint.
Supervision
Site engineer checks at each stage.
Handover
A building ready for interior work.
What pushes the construction cost up or down
Costs to budget for separately
These items often catch owners out when they compare per sq ft rates.
| Item | Why it is extra |
|---|---|
| Land and registration | Not part of construction |
| Architect and structural design | Paid to the design firm |
| Approval fees and soil test | Paid before construction starts |
| Boundary wall and gate | Priced by length |
| Lift, generator and substation | Priced as equipment |
| Interiors and furniture | Priced per sq ft or per room |
Ask for these as separate lines so the construction rate is not hiding them.
Construction stages on site
What your money pays for, stage by stage.
Why owners compare contractors through BD House Design
Written by the BD House Design editorial team with input from the registered architects, engineers and interior firms we work with. How we research and check our pages.
Construction cost questions
What is the building construction cost per square foot in Bangladesh in 2026?
About ৳1,800 to ৳2,500 per sq ft for a residential building with standard finishing, and ৳2,500 to ৳3,500 for commercial buildings. The rate changes with rod, cement and labour prices, the foundation and the finish you choose.
How much does a G+5 building cost on a 5 katha plot?
At 60% ground coverage a 5 katha plot gives about 2,160 sq ft per floor, or 12,960 sq ft for six floors. At ৳1,800 to ৳2,500 per sq ft that comes to roughly ৳2.3 crore to ৳3.2 crore, before land, design, approval and interiors.
Does the per sq ft rate include the roof casting?
Yes. The quoted rate covers the whole structure, including foundation, columns, beams and every slab or roof casting, plus standard finishing. Ask the contractor to show each stage separately in the BOQ.
Why do two contractors quote very different rates?
They may assume different rod grades, cement brands, brick class, finishing or foundation. Ask both to quote on the same drawings and BOQ so the numbers compare fairly.
What is not included in the construction cost?
Land, architect and structural design fees, approval fees, soil test, boundary wall, lift, generator, substation, interiors and furniture are usually priced separately.
Guides
Guides to read before you start
RAJUK Building Plan Approval Process, Step by Step
Land use clearance, construction permit, documents, drawings and timelines.
Earthquake Resistant Building Design in Bangladesh
BNBC 2020 zones, soil, soft storeys, column ties and site checks.
Duplex House Design Ideas for Bangladesh
Floor plans, styles, climate tips and 2026 costs for two storey family homes.
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