Cost of Roofing 3 Bedroom Bungalow Stage
The cost of roofing varies with the type of roofing materials and design you choose to
use. The cost given below represents 0.45 mm thick aluminum roofing sheets. The true
cost of all stages remains that shown on the bill of quantity document.
Material Requirements for Roofing
320 length of 2 x 3 x 12 wood @ NGN 450 = NGN 144,000
45 length of 2 x 6 x 12 @ NGN 840 = NGN 38,250
25 length of 1 x 12 x 12 wood @ NGN 1,400 = NGN 35,000
1/2 bag of 2-inch nails @ NGN 5,800 = NGN 2,900
11/2 bags of 3-inch nails @ NGN 6,000 = NGN 9,000
1/2 bag of 4-inch nails @ NGN 6,500 = NGN 3,250
Aluminium (0.45mm thick) roofing, transportation and Labour =
NGN 685,900
Total Estimated Cost for the roofing stage = NGN 918,300.
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Material Requirements for Electrical works
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Wires, Pipes, Conduit Boxes, etc = NGN 400,000
Material Requirements for Mechanical and Plumbing Works
Kitchen sink, Pipes, WC, Washing Hand Basin, Overhead Tank, Shower,
etc = NGN 500,000
Material Requirements for Ceiling
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Woods for nogging, P.O.P Sheets, External wood finishing, P.V.C Boards,
Tank nails, etc plus labor = NGN 450,000
Material Requirements for Windows and Doors
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Windows, doors, burglary proof, and fixtures plus labor = NGN 500,000
Material Requirements for Wall Rendering and Painting
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Plastering and painting plus labor = NGN 500,000
Material Requirements for Floor Finishes
 Tiles and others plus labor = NGN 250,000
Estimated Total Cost for this stage = NGN 2,600,000.