Internal structural alterations involve changes to load-bearing or essential internal parts of a building, such as:
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Walls (especially load-bearing walls)
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Beams
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Columns
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Floor joists
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Stairs
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Roof structures
These changes often require building permits and engineering approval because they can compromise the building’s integrity if not properly designed or executed.
2. Examples
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Removing or relocating a load-bearing wall
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Cutting through a floor to install a staircase
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Strengthening beams or joists to support additional weight
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Installing new internal columns or supports
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Replacing or modifying internal structural framing
3. What It’s Not
Internal structural alterations do not include:
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Cosmetic changes (e.g., painting, wallpapering)
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Non-load-bearing partition changes (It’s very important to note some partitions are essential for fire safety)
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Replacing cabinets or fixtures
4. Why It Matters
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Safety: Poorly done structural changes can cause collapse or instability.
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Regulations and Codes: Most require Building Control approval for structural work.
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Property Value: Structural improvements (or damages) affect appraisal and insurance.