Detailed Cost Breakdown for Building a 7x6 Meter House with Shed Roof in Kenya

Let me adjust the cost estimate based on the new prices for metal sheets, blocks, and the availability of timber:

1. Foundation and Excavation

No changes in this section.

Total Foundation Cost: Ksh 98,850

2. Wall Construction (Blocks)

• Blocks:
  • 100.8m² x 12 blocks/m² = 1,210 blocks
  • New block price: 1,210 blocks @ Ksh 45/block = Ksh 54,450 (previously Ksh 84,700)

Other material costs remain the same.

Adjusted Total Wall Construction Cost:

• Blocks: Ksh 54,450
• Cement: Ksh 19,500
• Sand: Ksh 18,000
• Steel bars: Ksh 12,000
• Labor: Ksh 40,000

New Total Wall Construction Cost: Ksh 143,950 (previously Ksh 174,200)

3. Roofing (Shed Roof)

• Metal sheets:
  • Roof area = 44.1m²
  • New price: 44.1m² @ Ksh 600/m² = Ksh 26,460 (previously Ksh 39,690)

Since timber is available, no need to account for purchasing timber.

Adjusted Total Roofing Cost:

• Metal sheets: Ksh 26,460
• Nails and fasteners: Ksh 3,000
• Ridge cap: Ksh 3,500
• Labor: Ksh 15,000

New Total Roofing Cost: Ksh 47,960 (previously Ksh 71,190)

4. Flooring

No changes in this section.

Total Flooring Cost: Ksh 40,300 (without tiles) or Ksh 90,700 (with tiles)

5. Doors and Windows

No changes in this section.

Total Door and Window Cost: Ksh 59,000

6. Plumbing and Electrical

No changes in this section.

Total Plumbing and Electrical Cost: Ksh 85,000

7. Finishing (Plastering, Painting)

No changes in this section.

Total Finishing Cost: Ksh 85,040

Adjusted Grand Total Cost Estimate

• Foundation: Ksh 98,850
• Wall Construction: Ksh 143,950
• Roofing: Ksh 47,960
• Flooring: Ksh 40,300 (without tiles) or Ksh 90,700 (with tiles)
• Doors and Windows: Ksh 59,000
• Plumbing and Electrical: Ksh 85,000
• Finishing: Ksh 85,040

New Estimated Total: Ksh 559,100 (without tiles) or Ksh 609,500 (with tiles)

These adjustments reflect the lower cost of blocks and metal sheets, and the availability of timber, resulting in lower total construction costs.