Updated 30 October 2026. There is no official test for a bubble. We apply five simple checks of our own to published data. Where data does not exist, such as how many buyers are speculators, we say so.

What are the signs of a real estate bubble?

A bubble usually means prices rising while real demand fades: homes bought only to resell, prices far ahead of rents and incomes, and stock piling up. So we ask: are homes still selling, can buyers afford them, do rents support prices, is stock building, and who is buying?

Are homes in Bangalore still selling?

Yes. ANAROCK counted about 16,650 sales in Q3 2026, up 12% in a year and 9% on the quarter. Knight Frank also shows growth, at 4%. NoBroker puts buyer demand up 14%. In a bubble about to burst we would expect sales to slide while prices climb, and that is not what these numbers show. This check passes.

Can buyers afford Bangalore homes?

Knight Frank's H1 2026 index puts Bengaluru's EMI at 35% of household income, up slightly from 2025 (Angel One, 3 July 2026). It treats 50% as the limit. NCR is at 67% and Mumbai at 69%. So the city is stretched less than the two dearest markets, although it is the second most costly of the six below the limit, after Hyderabad at 41%.

That figure predates the 7 October repo rate rise to 5.50%. An average also hides the squeeze at the bottom. Propertywala reports that 42% of homes are priced out of the sub-₹1 crore range and only about 1% of supply sits under ₹50 lakh, without naming its data source, so treat those two numbers as indicative. This check passes, with a caution.

Do rents support Bangalore prices?

Mostly. On ANAROCK's Q3 2026 rents and base prices, a 1,000 sq ft flat gives a gross yield of about 4.2% in Whitefield and 4.1% on Sarjapur Road (our arithmetic, from 2 BHK Rent in Bangalore by Area: Q3 2026 Data and Yields). That is before costs, and not high, but it is real rental demand rather than empty speculation.

The gap to watch is long-run price growth. ANAROCK's Whitefield rate went from ₹4,780 per sq ft in Q3 2020 to ₹10,850 in Q2 2026, about 2.3 times (our arithmetic). In Q3 2026, rents rose 0–2% and prices 1–2%, so the gap is not closing. This check is mixed.

Is unsold stock piling up in Bangalore?

This is the weak spot. Citywide, ANAROCK counts about 80,200 unsold homes, up 35% in a year, and Knight Frank says inventory rose 21%. Knight Frank's end-June split shows where the growth came from (via PropNewz):

  • ₹2–5 crore: 12,531 unsold, up 153%; 3.6 quarters to sell.
  • ₹1–2 crore: 20,642 unsold, up 60%; 3.1 quarters to sell.
  • ₹50 lakh–1 crore: 22,339 unsold, down 5%; 6.1 quarters to sell.
  • Below ₹50 lakh: 17,809 unsold, down 4%; 21.4 quarters to sell.

Is that stock a danger sign?

Not yet. It still clears fast: citywide quarters-to-sell is 5.5, against Knight Frank's typical 7 to 11 for 2018–2021 across its cities. So stock is growing from a low base. The concern is the speed. Bengaluru accounted for almost half of the rise in ₹2–5 crore inventory across the eight cities, says Knight Frank. This check is a caution.

Are investors driving the Bangalore market?

We cannot say. We found no reliable published figure for the share of investor buyers or flips in Bangalore, so this check stays open. Be careful with anyone who quotes one without a source.

What should a buyer do with this?