Why Your Building Plan Is the Foundation of Your Entire Project
In Nigerian construction, the building plan (architectural drawings) is the single document that controls everything else. Your engineer uses it to design the structure. Your quantity surveyor uses it to prepare the Bill of Quantities. Your contractor uses it to price and execute the work. The planning authority uses it to issue your approval. Without a good, properly approved plan, nothing else in your project can proceed correctly.
Many Nigerian builders make the mistake of starting construction with rough sketches, incomplete drawings, or plans borrowed from a neighbour's build. This causes expensive problems: wrong foundation sizing, structural failures, planning violations, and buildings that cannot be legally sold or mortgaged. The cost of proper architectural drawings is a tiny fraction of your total project budget and returns its value many times over.
What a Complete 3-Bedroom Bungalow Building Plan Must Include
A full set of architectural and structural drawings for a 3-bedroom bungalow typically includes:
Architectural Drawings
- Site plan: Shows your building positioned on the plot, with setbacks, access roads, and boundary dimensions. Required for planning approval.
- Floor plan: The layout of all rooms, doors, windows, stairs, and fixed elements, drawn to scale (typically 1:100 or 1:50). This is the core document.
- Four elevations: Front, rear, left, and right views showing the external appearance, window/door positions, and roof design.
- Roof plan: Shows roof structure, ridge lines, valley lines, and drainage direction.
- Sections (minimum 2): Vertical cuts through the building showing floor-to-ceiling heights, foundation depth, roof pitch, and structural relationships.
- Schedule of finishes: A table specifying floor tiles, wall finishes, ceiling type, paint colours, door and window types for each room.
Structural Drawings (From a Certified Engineer)
- Foundation plan with dimensions and reinforcement details
- Column schedule and section details
- Ring beam and lintel reinforcement details
- Roof truss layout and connection details
- First floor slab plan (for duplex; not needed for bungalow)
Popular 3-Bedroom Bungalow Layouts in Nigeria
Layout 1: Traditional Linear (Most Common)
Bedrooms arranged along one wing; living/dining and kitchen on the other side. Simple rectangular plan, easy to build, economical.
- Total area: 100–125 sqm
- Typical dimensions: 11m × 10m or 13m × 9m
- Best for: Standard plots, budget-conscious builds
Layout 2: L-Shaped Plan
Bedrooms in one arm; living areas in the other. Creates a more private bedroom zone. Slightly more expensive due to the irregular shape.
- Total area: 115–145 sqm
- Cost premium: 8–15% over simple rectangle
- Best for: Corner plots or plots with attractive views to frame
Layout 3: Open-Plan Living (Modern)
Combined kitchen, dining, and living room creating a large open social space. Growing in popularity with younger Nigerian homeowners.
- Total area: 110–140 sqm
- Best for: Modern families, properties targeting professional tenants
- Note: Open-plan layouts typically use fewer internal blocks but larger floor tiles and more expensive kitchen fitment
Layout 4: Courtyard / Verandah Plan
Rooms arranged around a central open-air courtyard or a prominent front verandah. Provides excellent cross-ventilation — important in Nigeria's tropical climate before full reliance on air conditioning.
- Total area: 120–160 sqm
- Best for: Warmer climate zones (Niger Delta, Lagos); families who spend time outdoors
Standard Room Dimensions for a Nigerian 3-Bedroom Bungalow
| Room | Minimum (budget) | Comfortable | Generous |
|---|---|---|---|
| Master bedroom | 3.5m × 3.5m | 4.0m × 4.0m | 4.5m × 5.0m |
| Bedroom 2 & 3 | 3.0m × 3.0m | 3.5m × 3.5m | 4.0m × 4.0m |
| Living room | 4.0m × 4.0m | 5.0m × 4.5m | 6.0m × 5.0m |
| Dining area | 3.0m × 3.0m | 3.5m × 3.5m | 4.0m × 4.0m |
| Kitchen | 2.5m × 3.0m | 3.0m × 3.5m | 3.5m × 4.5m |
| Master en-suite | 2.0m × 2.0m | 2.5m × 2.5m | 3.0m × 3.0m |
| Main bathroom | 1.8m × 2.2m | 2.2m × 2.5m | 2.5m × 3.0m |
How Much Do Building Plans Cost in Nigeria? (2025)
| Service | Cost Range |
|---|---|
| Architectural drawings only (registered architect) | ₦150,000 – ₦500,000 |
| Structural drawings (registered engineer) | ₦100,000 – ₦350,000 |
| Full set (architectural + structural) | ₦250,000 – ₦850,000 |
| Planning approval fee (Lagos LASPPPA) | ₦300,000 – ₦1,500,000 |
| Planning approval fee (Abuja FCDA) | ₦250,000 – ₦1,000,000 |
| Planning approval (other states) | ₦80,000 – ₦500,000 |
The Approval Process in Nigeria
- Engage a registered architect (ARCON-certified) to prepare the drawings
- Engage a structural engineer (COREN-certified) to prepare structural drawings
- Submit to planning authority with your title document (C of O, right of occupancy, or deed of assignment), survey plan, and completed application forms
- Await approval — typically 4–12 weeks depending on the state
- Receive your development permit — keep this on site throughout construction
What Happens If You Build Without an Approved Plan?
Building without approved drawings is illegal across all Nigerian states and exposes you to serious consequences:
- Stop-work orders from state building control agencies
- Fines (₦500,000–₦5,000,000+ depending on state and building size)
- Partial or full demolition of the unapproved structure
- Inability to obtain a mortgage or sell the property legally
- Personal liability for any structural failure or injury
The ₦250,000–₦850,000 cost of proper drawings and approval is one of the best investments in your entire project.
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