House number readings are popular because they are instant — you already know your number. They are also the area where English-language feng shui content drifts furthest from the Chinese source material. Here is the version that survives scrutiny, and the honest limits of it.
The common shortcut is to reduce an address to a single digit. If you live at 47, you add 4 and 7 to get 11, and then read the properties of 11 or reduce again to 2. This is a real method, but it is a summary — it discards the number the postman actually reads.
Practitioners who work with addresses usually read the full number first, because 47 and 11 are not the same house. The digit sum is a secondary layer, useful when two properties share a number or when you want a quick comparison.
Most number symbolism in Chinese practice comes from sound-alike associations in Cantonese and Mandarin. Eight sounds close to a word for prosperity, which is why it is prized. Four sounds close to the word for death and is avoided where possible.
This matters because the association is linguistic, not mathematical. An English speaker buying into 'four is unlucky' is importing a pun from a language they do not speak. It still works for plenty of people — but it is worth knowing why, so you can decide how much weight to give it.
Six is read as smooth or flowing. Nine is long-lasting, and as the highest single digit it carries a sense of completeness that can tip into excess. Two and five are neutral on their own and take their character from what surrounds them.
Repeated fours are the one that comes up most: 4, 44, 444. In practice this affects buying decisions in some markets enough to move prices, which makes it a real consideration regardless of your beliefs.
Numbers ending in a bare zero are read as empty or unfinished by some practitioners. Others read zero as a multiplier that amplifies whatever precedes it. The traditions disagree, which is itself a reason not to panic over it.
The more useful question is whether the number is easy to read and find. An address that delivery drivers and guests cannot locate causes a small, repeated friction every week. That has a more measurable effect on daily life than any digit sum.
You rarely need to move. The standard adjustments are to make the number highly visible — clean, well-lit, easy to read — which is the opposite of the instinct to hide it.
Some people add a distinguishing element to the address where local rules allow it: a unit letter, a name, or a clearly displayed apartment number. The point is to give the address an identity beyond the digits.
Where the number genuinely bothers you and the property is otherwise right, weigh it against the things that are harder to change: orientation, layout, light, and the neighbourhood.
In Cantonese and Mandarin the word for four sounds close to the word for death, so it is avoided in those cultures. There is nothing mathematically unlucky about it, and many people live happily at such addresses. Treat it as a cultural preference, not a rule.
Only if you would enjoy it. The premium is real in some markets, but it is a resale and psychology question more than a feng shui one. Nobody has shown a measurable outcome difference.
Yes, and the full number is read rather than just the unit. In a block, the floor and unit together form the number that matters.