5.2 Suspended ground floors

Also see:

2.14.14.24.55.1

5.2.1 Compliance

Suspended ground floors shall comply with the Technical Requirements.

Suspended ground floors that comply with the guidance in this chapter will generally be acceptable.

Ground floors should be constructed as suspended floors where:

  • the depth of fill exceeds 600mm
  • there is shrinkable soil that could be subject to movement (See Chapter 4.2 ‘Building near trees’), expansive materials or other unstable soils
  • the ground has been subject to vibratory improvement
  • ground or fill is not suitable to support ground-bearing slabs.

Last updated: 2nd January 2024

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