Cost of constructing septic tank in Kenya


The cost of constructing a septic tank in Kenya range between Ksh 120,000 and Ksh 200,000. We will not say that it’s a specific figure because of factors like the type of soil, cost of materials and labour costs.

Labour cost range between Ksh 25,000 to Ksh 40,000. Materials will cost Ksh 50,000 to Ksh 80,000.

If you include the cost of plumbing, you will spend approximately Ksh 300,000 for the two

Septic tank construction in Kenya takes 10 days to 1 month.

If your land is in a swampy area,it will cost you more to build a septic tank because you need more materials to make it strong and free from leakages. A simple septic tank will cost approximately Ksh 200,000.

Between 2024 and 2026 the price of constructing a septic tank will not change much.But if the cost of materials go up,the price might shoot to above Ksh 200,000.

You can opt to build a septic tank or a biodigester. Most people, especially in in Nairobi prefer a biodigester over septic tank.


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