BTO Feng Shui: How to Check a Floor Plan Before You Select Your Flat

Why flat selection is the highest-leverage feng shui moment you will get

Most people think about feng shui after they collect their keys, when the renovation is being planned. By then the three things that matter most have already been decided: which direction the flat faces, what sits in front of it, and where the main door, stove, toilets and bedrooms fall within the layout. Everything after that is adjustment. A good interior designer can soften an awkward layout. Nobody can turn a South-facing unit into an East-facing one.

At the flat selection appointment you choose from whatever stacks are left when your queue number is called, usually in a matter of minutes. That is not the time to think. The thinking has to happen the week before, with the site plan and the floor plans printed out and your shortlist ranked. This article is that week's checklist.

Step 1: Find the facing of each block on the site plan

In a high-rise, the facing (向) is taken from the side of the unit with the main opening to light and view. For almost every HDB flat that is the living room window or the balcony, not the front door on the shared corridor. I explained the reasoning in the HDB feng shui guide; for a BTO the practical difference is that you are reading it off a drawing rather than standing at a window.

The HDB site plan carries a north arrow. Use it, or open a satellite map of the plot and read the compass there, and note the bearing that the living room side of each shortlisted stack faces. Blocks in the same project often face different directions. Two stacks in the same block usually share a facing, but corner stacks can turn ninety degrees from their neighbours. Write one bearing next to each stack on your list. Everything else in this article depends on that number.

A note on precision. The eight directions are 45 degrees each, and each is split into three 15-degree bands, the twenty-four mountains (二十四山). A facing of 172 degrees and a facing of 188 degrees are both "South", but they sit in different bands and produce different charts. At shortlist stage the direction is enough. At the final decision the exact degree matters, and that is the part worth having checked properly.

Step 2: Read the surroundings before you read the floor plan

Classical feng shui reads the land before it reads the compass. The forms around a building (峦头) set the ceiling for everything inside it. On the site plan, and on a satellite view of the actual plot, look at what each facing looks out on:

• Open ground, a park, a field or a water body in front of the facing. Favourable. Open space in front of a building is what the classics call the bright hall (明堂), and it is the single most valuable external feature a flat can have.
• The flat face of a neighbouring block at close range. Neutral to unfavourable, depending on distance. It closes off the bright hall.
• The sharp corner of a neighbouring block, a multi-storey carpark ramp, or an expressway or MRT viaduct pointed at the facing. Unfavourable. Practitioners call these forms sha (煞), cutting or rushing energy. In a high-rise they matter more than at ground level, because there is nothing between you and them.
• A road running straight at the block. The T-junction facing is one of the few configurations worth avoiding outright when you have the choice.
• Bin centres, substations and the base of the refuse chute. Minor at height. Note them for low-floor units.

Rank your shortlist on the surroundings first. A unit with an excellent floor plan facing a carpark ramp is a worse flat than a slightly awkward layout facing a park.

Step 3: Put the nine-palace grid on each unit floor plan

Now take the unit floor plan for each shortlisted stack and lay a three-by-three grid over the full outer footprint of the flat, including the household shelter and the service yard. Orient the grid using the facing you noted in Step 1. The nine squares are the nine palaces (九宫). Each one is a compass sector of your flat.

You can draw this by hand with a ruler, or upload the plan to the free Feng Shui Floor Plan Analyzer, which draws the grid for you and shows which room falls in which sector. If you have never read one of these maps before, the analyzer guide walks through it.

Then check where five things fall:

1. The main door. Which sector it opens into, and whether it looks straight through the living room to the balcony or a window. A straight line from door to window is common in newer BTO layouts. It can be softened with furniture later, but it is better not to start with it.
2. The centre (太极点). The middle square should be open or quiet: a hallway, a dining area. A toilet or the household shelter sitting on the exact centre is the one internal layout I would take seriously at selection stage. Here is why the centre matters.
3. The stove. Its position is fixed by the gas point, so the kitchen's sector is permanent.
4. The toilets. Which sectors they occupy. A toilet is only a problem if it sits on a sector you need, and you can only know that once the facing is known. The same layout is a different flat at a different facing.
5. The master bedroom. Which sector it occupies, and whether the bed can go against a solid wall without the door opening straight onto it.

The purpose of this step is comparison. Two identical floor plans in two stacks with different facings will put the toilets, stove and bedrooms in different sectors. That is why "the 4-room layout is good" is not a feng shui statement. "Stack 123's 4-room layout at a 265-degree facing" is.

"Two identical floor plans facing different directions are two different flats. The drawing tells you the rooms. The facing tells you what the rooms mean."

Step 4: Know what is permanent and what changes every year

This is where buyers most often go wrong when they look at an annual feng shui chart. The 2026 chart tells you that the South carries the Five Yellow this year. It tells you nothing about a flat you will collect keys to several years from now. Annual stars move every year, and by the time you move in they will have moved several times. Do not reject a stack because of this year's annual star.

What is permanent is the building's natal chart (宅盘): a set of stars fixed by the block's facing degree and the period in which the building is completed. Every BTO completing from now on falls in Period 9 (2024 to 2043), so the natal chart depends almost entirely on the facing degree. This is the layer a consultation adds on top of what you can do yourself with the grid, and it is the reason two stacks that look identical on paper can be very different flats to live in.

For the selection appointment: use the surroundings and the sector map to rank your stacks. Use the natal chart, if you have it checked, to break ties.

Step 5: Walk in with a ranked list, not a favourite

The appointment moves quickly. Bring your shortlist ranked one to five, with the facing bearing and the strengths and weaknesses written next to each stack. If your first choice is gone, you go to the second without recalculating in the room. Buyers who walk in with one favourite and no second choice are the ones who end up choosing on floor number and view in thirty seconds.

If you want a second opinion before the appointment, a comparative assessment of three or four shortlisted stacks is the most common pre-purchase consultation I run for Singapore buyers: site plan and floor plans on screen over a call, a ranking, and the reasons for it. After you have your unit, the next timing decision is the keys, renovation and move-in sequence, which I cover in the moving date guide.

What does not matter

Unit numbers with a 4 in them. Floor numbers. The direction the front door faces on the corridor. Paint colours. Crystals of any kind. Classical feng shui is a discipline of direction, form and timing. If a criterion cannot be explained in terms of the compass, the landform or the calendar, it is not a feng shui criterion, and it should not cost you a good stack.

Common questions

Does feng shui matter when choosing a BTO unit?

Yes. Once a stack is booked, the facing, the surroundings and the position of every room are fixed. Checking the plans beforehand costs nothing and avoids problems no renovation can undo.

How do I find the facing direction of a BTO flat from the site plan?

Take the facing from the living room or balcony side, not the corridor door. Use the north arrow on the site plan or a satellite map, and note the bearing for each shortlisted stack.

Should I reject a stack because of the 2026 annual flying stars?

No. Annual stars will have moved several times before you move in. The permanent layer is the natal chart, fixed by the facing degree and the construction period.

Do floor numbers or unit numbers with a 4 matter?

No. Number preferences are cultural, not classical. Floor level plays a secondary role: higher floors are less affected by street-level features and more affected by neighbouring towers.

Do this today

If you have a BTO shortlist, start with the two things you can do in the next ten minutes. Note the facing bearing of each stack from the site plan. Then upload each unit floor plan to the free Feng Shui Floor Plan Analyzer to see the nine-palace grid over it. You will see at once which sectors your door, stove, toilets and bedrooms sit in, and you will know which questions are worth asking about your specific flat before you commit an option fee.