Plumbing Cost for Residential Buildings in Nigeria (2026 Guide)

What Does Residential Plumbing Cost in Nigeria?

Plumbing is one of the most underestimated costs in Nigerian building projects. Many self-builders budget only for the visible fixtures — taps, WCs, and basins — and are surprised when the full cost of a proper plumbing installation comes in at ₦1.5 million to ₦3.5 million for a standard 3-bedroom bungalow. This guide breaks down every component so you can budget accurately.

Plumbing Cost by System Type (3-Bedroom Bungalow, 2026)

Plumbing Fixture Prices in Nigeria (2026)

• WC — economy: ₦35,000 – ₦65,000 per unit
• WC — standard: ₦70,000 – ₦150,000 per unit
• WC — wall-hung (luxury): ₦200,000 – ₦600,000 per unit
• Wash hand basin — economy: ₦15,000 – ₦30,000
• Wash hand basin — standard: ₦35,000 – ₦80,000
• Shower tray + screen: ₦80,000 – ₦250,000
• Bathtub — economy: ₦60,000 – ₦120,000
• Overhead water tank (5,000L polyethylene): ₦80,000 – ₦140,000
• Submersible pump (0.5hp): ₦65,000 – ₦130,000

Plumber Labour Rates in Nigeria (2026)

• Skilled plumber day rate: ₦12,000 – ₦20,000/day
• Master plumber / supervisor: ₦20,000 – ₦35,000/day
• Unskilled pipe labourer: ₦6,000 – ₦10,000/day
• Lump-sum first-fix (rough-in) for 3-bed bungalow: ₦200,000 – ₦400,000
• Lump-sum second-fix (fixture installation): ₦80,000 – ₦160,000

Lagos and Abuja plumber rates are 15–25% higher than in other Nigerian cities.

Borehole vs Water Tanker: Which Is Better Value?

Most Nigerian homes cannot rely on public water supply and need an alternative. The two main options are:

• Borehole drilling: ₦800,000 – ₦3,000,000 depending on depth and location. Annual maintenance costs ₦50,000 – ₦150,000. A borehole eliminates the ongoing cost of buying water but requires power to run the pump.
• Water tanker supply: ₦15,000 – ₦40,000 per tanker (10,000–20,000 litres). For a family of 5, typical consumption is 1–2 tankers per month, costing ₦180,000 – ₦480,000/year. More expensive long-term but requires no upfront drilling investment.

For permanent residences, a borehole typically pays for itself within 3–5 years compared to tanker supply.

Common Plumbing Problems in Nigeria and How to Avoid Them

• Low water pressure: Raise the overhead tank at least 3m above the highest tap. Use 25mm pipe for main supply lines — not 20mm.
• Pipe corrosion: Use UPVC or PPR pipes rather than galvanised steel, which corrodes within 5–10 years in Nigerian water conditions.
• Leaking joints: Insist on solvent-welded or properly threaded joints. Cheap push-fit fittings fail quickly in the Nigerian climate.
• Blocked drains: Install adequate cleanout access points every 15m on horizontal runs. Use 110mm diameter soil pipes — not 75mm — for WC drainage.
• Undersized septic tank: Size the septic tank correctly — a minimum 4,500 litres for a 3-bedroom house. Many Nigerian houses use undersized tanks that fill within 2–3 years and cause sewage backup.