Triplex Villa Structure (G + 2 Floors + Penthouse) • Suitable for 800–1,500 sqm Plots (Abuja, Lagos, Enugu, Owerri)
A state-of-the-art 3-storey reinforced concrete residential structure engineered with a 3.8m dramatic front cantilever, double-height void over the main ante-room, reinforced concrete lift shaft for a residential glass elevator, infinity pool structural shell, and 3-room detached BQ.
Moment-Resisting Reinforced Concrete Frame with Post-Tensioned / Deep Transfer Beams
Eurocode 2 (EN 1992-1-1) & BS 8110-1:1997 | Wind Load: BS 6399-2
Reinforced Concrete Raft Foundation (1,100mm Deep Ribbed Beam Raft) or 450mm Ø Bored Piles (Coastal)
C35/45 Ready-Mix Concrete (Foundations, Columns & Transfer Beams) | C30/37 (Suspended Slabs)
High-Yield TMT Deformed Bars fy = 500 N/mm² (Y12, Y16, Y20, Y25 & Y32 Main Bars)
200mm Two-Way Solid Reinforced Concrete Slab + 250mm Waffle Slab over 8.4m Main Lounge Span
6.2m × 7.5m Primary Grid | 300×600mm & 230×450mm RC Columns with Y25 Longitudinal Bars
300×750mm Cantilever Transfer Beams (3.8m Projection) | 230×450mm Secondary Floor Beams
225mm (9-Inch) Vibrated Hollow Sandcrete Blocks (Min. 3.5 N/mm² Crushing Strength) + RC Shear Walls at Lift Core
Reinforced Concrete Parapet Gutter Slab + Galvanized Light-Gauge Steel Trusses (0.55mm Stone-Coated Tiles)
Minimum 150 kN/m² for Pad/Raft | Pile Option Engineered for <80 kN/m² Coastal Soils
Wind Speed up to 45 m/s | Factor of Safety (FoS) = 3.0 on Foundation Bearing
Principal Civil & Structural Engineer
“Hello Engr. Ekeson & Ekesonconstruct Civil Engineering Desk, I inspected the full structural details for "The Sovereign Crest 6-Bedroom Triplex Mansion Structure" [Plan ID: EKC-STR-001]. Selected Scope: Standard Turnkey Build | Soil Profile: Firm Laterite Soil (Pad/Strip Baseline) | Website Estimated Build Cost: NGN 285,000,000. Please share the itemized BOQ and mobilization schedule for my land.”
Full Move-In Cost (Painted & Tiled)
NGN 145,000,000
Our most popular 5-bedroom detached duplex structure designed to fit a standard 500–600 sqm plot with ample parking for 5 cars, a 2-room attached BQ, floating reinforced concrete staircase, floor-to-ceiling thermal glass panels, and hidden RC roof gutter slab.
Full Move-In Cost (Painted & Tiled)
NGN 185,000,000
Engineered for landowners and family builders who want two independent 4-bedroom luxury duplexes on a single plot. Features an acoustic double-leaf structural party wall, independent foundation tie beams, separate gate entrances, and 2 en-suite BQs.
Full Move-In Cost (Painted & Tiled)
NGN 420,000,000
A high-density, structurally robust 4-storey residential block comprising eight (8) spacious 3-bedroom apartments (2 flats per floor), central passenger elevator core, dual fire-rated escape staircases, and ground-level parking bays.