How many HDB resale flats were registered in Serangoon in December 2021?

December 2021.

41Registrations recorded

Ledger rows whose subject key names this town (keys from sg:hdb:SERANGOON|), whose attribute is resale_price_sgd, and whose observed month is 2021-12. Each registration seals one such row, so this counts registrations, not re-reads.

Against the last month

502021-11

412021-12

A difference of -9 against 2021-11. Both figures come from the same read, asked of each window.

The newest receipt

Receipt	Subject	Observed	Fetched
df96bc9a01a420b0aaa955a759f614c6af0652ebcce678b9c66fca61ced60ecd	sg:hdb:SERANGOON\|135\|SERANGOON NTH AVE 2\|4 ROOM\|07 TO 09\|Model A	2021-12-01T00:00:00.000Z	2026-10-01T09:02:35.852Z

The day root

The newest receipt was written on 2026-10-01, and that day's root holds it.

Field	Value
Root	7df5b1db33ca5f52ee4a8abe6b5118e37a8263f217984dee05b2f3f31a9ac3eb
State	confirmed 2026-10-03T02:04:27.873Z at block 969,538

This root is held outside the estate. Recompute it from the day's receipts and compare, then check the recorded block.

Where it was read

From the newest 20 rows in this window.

Read from	Observed, the fact's own clock	Fetched, when the estate looked
data.gov.sg	2021-12-01T00:00:00.000Z	2026-10-01T09:02:35.852Z

How the record is kept