Quick answer: As of 2026, a standard 6-metre length of reinforcement iron rod (rebar) in Nigeria costs approximately ₦3,800 for 10mm, ₦5,500 for 12mm, ₦9,500 for 16mm, and ₦21,000 for 25mm. Prices vary by brand, market, and current steel and naira exchange rate movements.
Current Iron Rod Prices in Nigeria (2026)
| Rod Diameter | Price per 6m Length (Approx.) | Typical Use |
|---|---|---|
| 10mm | ₦3,800 | Slabs, lintels, light reinforcement |
| 12mm | ₦5,500 | Columns, ring beams — most common size for residential work |
| 16mm | ₦9,500 | Heavier columns, foundation reinforcement on poor soil |
| 25mm | ₦21,000 | Major structural columns, multi-storey and commercial buildings |
These are baseline supply prices for standard TMT (thermo-mechanically treated) deformed bars, the most common type used in Nigerian residential construction. Prices can move ₦200–₦1,000 per length between suppliers and regions, and significantly more during periods of currency volatility.
Why Iron Rod Prices Move So Much
Reinforcement steel is one of the most internationally exposed materials in a Nigerian building budget. Even rods produced locally are affected by:
- Scrap metal and billet costs — Nigerian steel mills rely heavily on scrap metal and imported billet, both priced against international markets
- Exchange rate movements — a weaker naira directly raises the landed cost of imported inputs, even for "locally made" rods
- Energy costs — steel rolling is highly energy-intensive, so diesel and electricity price changes feed through quickly
- Global steel prices — international steel price swings (driven by demand from China, shipping costs, and trade policy) ripple into Nigerian prices within weeks
This is why iron rod prices are typically far more volatile, month to month, than a relatively stable material like blocks or sand.
TMT Bars vs Mild Steel Rods
Always confirm you are buying TMT (thermo-mechanically treated) bars rather than older-style mild steel rods. TMT bars have a higher yield strength for the same diameter, better ductility, and are now the standard specification on virtually all professionally designed Nigerian buildings. Mild steel rods are sometimes sold at a lower price but require larger diameters or more bars to achieve the same structural performance — the apparent saving rarely holds up against a proper like-for-like comparison.
How Much Iron Rod Will Your Project Need?
Reinforcement quantity depends entirely on your structural design — the number, size, and spacing of columns, beams, and slab reinforcement specified by your structural engineer. As a rough indication, a standard 3-bedroom bungalow typically uses a mix of 12mm rods for columns and ring beams and 10mm or 12mm for lintels, with total quantities usually running into several hundred lengths depending on house size and number of storeys. Never substitute a smaller diameter or skip bars to cut cost without your structural engineer's sign-off — reinforcement is one area where under-specifying creates a genuine safety risk, not just a quality issue.
Tips for Buying Iron Rods
- Buy from a reputable supplier and ask for the mill certificate or batch documentation where available, particularly for larger orders
- Check that rods are straight and free from heavy rust or pitting — surface rust is normal, but deep corrosion weakens the bar
- Buy your full structural quantity in one order where possible — prices can shift meaningfully even within a few weeks, and buying in stages exposes you to that volatility
- Store rods off the ground, covered, to limit rust before use — especially if there will be a delay between delivery and casting
Get a Live, Itemised Estimate
Reinforcement is typically one of the largest single cost lines in a building budget alongside cement, blocks, and roofing. The Nigeria Building Cost Estimator factors in current Nigerian rates for iron rods and every other material to generate a full, itemised Bill of Quantities for your specific project — rather than relying on the snapshot figures in this article, which will age as the market moves.
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