Void Degrees in Feng Shui: A Practical Guide for Unit Selection

At every launch of government housing projects (BTO) or new private developments, one often observes a mixture of anticipation and stress. The selection of a suitable unit is seldom a simple matter. Considerations commonly extend to solar exposure, in particular whether the unit receives the harsher western sun, the extent to which it is shaded or obstructed by neighboring blocks, and the proximity to amenities and transport. These are among the practical criteria by which many begin their evaluation. In addition to these, some will engage a Feng Shui practitioner to provide a more structured assessment, whether to eliminate unsuitable options or to identify units of greater promise.

From the standpoint of Feng Shui, assessment typically proceeds upon two principal foundations. The first is Form analysis, which, at this level of consideration, concerns the physical configuration of the environment, priority being given to the surrounding context, namely whether it exerts adverse or supportive influences upon the unit. Given the wide circulation of basic Feng Shui knowledge, it is not uncommon for the layperson to possess a general familiarity with certain common external form afflictions, such as 'Wall Edge' (壁刀) or 'Pointed Angle' (尖角) influences, among others. As a preliminary step, it is therefore customary to observe whether a unit is subject to such evident conditions, and where present, to exclude these options from consideration.

The second is Qi analysis, which pertains to the formless influence of Qi, its qualitative condition, and the unit’s capacity to receive and contain beneficial influences. Unlike Form, which may be apprehended through visual observation, Qi is measured or calculated. Through the use of the compass, one can ascertain the orientation of the unit, a key parameter in the analysis, the directional positions of specific structural features, and the qualitative condition of Qi across the various directions, from which an overall assessment may be derived.

In this article, a simple yet important consideration within Qi analysis will be introduced, one that, though not frequently encountered in practice, remains of significance. It is both easy to understand and readily applied, and may be used even by laypersons relying solely on a project site plan, serving as a useful preliminary filter in the selection of units.

This consideration is known as Void Lines, or Void Degrees. When present, it offers an immediate basis for excluding unsuitable options at an early stage of evaluation, before more detailed analysis is undertaken. The purpose of this article is to enable the reader to recognize and assess this condition independently, using only basic information available from the site plan.

In practical terms, the reader may first identify True North from the site plan, and thereafter, by overlaying a compass or protractor upon the plan, determine the approximate orientation in degrees. While, in principle, an adjustment for magnetic declination is required to convert the reading into true magnetic bearings corresponding to standard compass measurements, this step may be disregarded in contexts where the declination is negligible, such as in Singapore. In such cases, the orientation derived from the site plan may be taken as a sufficiently accurate approximation of the magnetic bearing for practical purposes. In this way, one is able to obtain a sufficiently accurate directional reading to evaluate whether a unit or stack falls within the Void Degrees range.

Void Degrees, in simple terms, refers to situations where the orientation of certain stacks or units lies in a transitional zone, close to the boundary between two directional sectors, such that it becomes ambiguous as to which direction it properly belongs. It is precisely within such boundary regions that the orientation of the unit is considered to fall under what is termed Void Degrees.

For example, when viewed within the standard eight directional divisions (N, NE, E, SE, S, SW, W, NW), a typical stack or unit will be oriented towards one primary direction. This orientation may be taken from either the main entrance or the side where the living room windows are located, depending on the assessment approach adopted. In Diagram 1 below, with reference to Stacks 116 and 118 from a typical residential project, Direction A represents the facing of the living room windows, while Direction B represents the facing of the main entrance. In this example, when viewed from the living room windows side, both stacks are oriented towards the North direction.

Diagram 1

In standard rectangular or regular-shaped stacks and units, the overall structure is generally aligned along parallel sides. As such, when one side of the unit falls within a boundary zone between two directions, the remaining sides will naturally share the same underlying orientation. For this reason, it is not necessary, for the purpose of this preliminary assessment, to distinguish between different facings within the same unit. The orientation may be taken as a single coherent reading for the entire stack.

In Diagram 2 below, the compass reading shows that the orientation of stack 132 and 134 lies between North and Northeast. From a visual reading of the compass alone, the exact alignment may appear ambiguous. In precise terms, the midpoint between North and Northeast is 22.5 degrees. However, where the orientation falls within a narrow margin of approximately 1.5 degrees on either side of this boundary, it is still regarded as being under the influence of Void Degrees.

Diagram 2

In traditional Chinese Feng Shui compass systems, each of the eight primary directions is further subdivided into three segments of fifteen degrees each. This results in the well-known system of the Twenty-Four Mountains of the compass, as measured using the Luopan (罗盘), the traditional Feng Shui compass, as shown in Diagram 3.

Diagram 3

For ease of practical application, a table outlining the names and corresponding degree boundaries of the Twenty-Four Mountains is provided in the accompanying image for reference. 

View Twenty-Four Mountains Degree Table

This finer division is equally important, as it allows for a more precise assessment of whether a given stack or unit lies close to or straddles the boundary between two adjacent 'mountains'. When an orientation falls near such a dividing line, a similar condition of Void Degrees may also arise, and the same margin of approximately 1.5 degrees on either side of the boundary may be applied as a practical guide. 

For example, in Diagram 4, with reference to stacks 106 and 108, although the stack is clearly oriented towards the Southeast at a general level, a more precise reading shows that it lies between the Xun Mountain and Chen Mountain sectors. In such cases, this transitional orientation is likewise regarded as falling under Void Degrees.

Diagram 4

Traditionally, greater emphasis is placed on Void Degrees within the eight principal directions. However, the finer subdivisions within the Twenty-Four Mountains are equally significant and should not be overlooked when undertaking a more precise evaluation.

As for the significance of falling under Void Degrees, the term itself offers an important interpretive clue. “Void” is not merely a descriptive label but rather indicates a condition in which Qi is considered unstable, diminished, or unable to properly manifest in relation to worldly affairs, and therefore may lack the capacity to support sustained development.

The notion of emptiness or void is, however, not inherently negative in all contexts. In spiritual traditions, it is often associated with withdrawal from material concerns and the cultivation of higher states of awareness. For this reason, Void Degrees alignment is regarded as suitable for temples and other religious structures, where the focus is directed not toward worldly accumulation but toward spiritual cultivation.

In conclusion, this simple consideration offers a practical means by which readers may independently examine any stack, unit, or project plan of interest. By applying the concept of Void Degrees through a basic reading of the site plan, one is able to establish an initial layer of screening, thereby identifying and filtering out unsuitable options at an early stage of consideration. While such boundary conditions are not frequently encountered, they should nevertheless not be overlooked in preliminary assessment.

It may be noted that some practitioners consider Void Degrees to be of lesser concern, or still acceptable, where other strong indicators of auspiciousness are present. However, from the standpoint of selection, where choice is available, it is prudent to avoid such orientations altogether, rather than rely upon subsequent mitigation. As a practical checklist within Qi analysis, this consideration serves not as a comprehensive judgment, but as a clear and accessible basis for more considered selection.