Drilling a borehole in Nigeria costs about ₦900,000–₦3.5M in 2026 for a complete system — cheaper in soft-soil Lagos, pricier over Abuja's hard rock. Full breakdown by depth and component, in ₦ and $.

Building a modern 3-bedroom flat in Nigeria in 2026 costs roughly ₦22m–₦45m (~$15,000–$31,000) excluding land, depending on finish. Full stage-by-stage breakdown.

A Certificate of Occupancy in Nigeria costs roughly ₦350,000 to ₦3M+ all-in for a residential plot in 2026 — official processing plus consent, stamp duty, registration and survey. Full breakdown in ₦ and $.

How much sand and granite you need to build a house in Nigeria in 2026 — tipper loads, per-ton prices in ₦ and $, and the waste factor most estimates ignore.