OPINION | Why buying two 1BHK beats is better than one 3BHK for investors

Do you know that instead of buying a single 3BHK, the same budget could quietly get you two income-generating 1BHKs—and a smarter investment outcome? The numbers, drawn from six major cities between 2019 and 2025, prove it is a structurally superior investment approach for high-demand urban markets.

The core argument rests on a simple but persistent fact: 1BHK apartments generate higher rental yields, and two of them together typically cost less than one 3BHK unit.

Yield gap is growing

Across all configurations studied, a clear hierarchy emerges: the smaller the apartment, the higher the yield. 1BHK units averaged 4.16 per cent annually against 3BHK units at 3.00 per cent. Put simply, for every ₹1 crore invested, a 1BHK earns roughly ₹4,16,000 in annual rent versus ₹3,00,000 from a 3BHK, a difference of over ₹1,10,000 every year, just in rent, on the same capital.

What makes this gap particularly notable is that it has been widening. In 2019, the 1BHK yield was 3.84 per cent versus the 3BHK's 2.92 per cent, whereas the current gap is 4.16 per cent for a 1BHK and 3 per cent for a 3BHK.

The return-to-office wave and post-pandemic migration toward employment hubs have driven a surge in demand for affordable, well-located 1BHK units, particularly in Bengaluru, Hyderabad, and Pune. Young professionals, students, and early-career migrants are choosing independence over shared accommodation, expanding the tenant pool for compact apartments at a pace that 3BHK supply simply does not match.

The capital cost advantage

Beyond yield, the strategy benefits from a structural pricing gap. On average, two 1BHK apartments in the same locality cost only 73 per cent of a single 3BHK, meaning investors can deploy the same strategy for 27 per cent less capital. The remaining funds can sit in fixed income, equities, or be reserved for a third property entirely.

Even in cases where investment amounts are nearly identical, as in the Horamavu, Bangalore case study, the 2x1BHK approach still wins decisively. Two 1BHK units purchased there in 2020 for ₹78 lakh generated total returns of ₹94.4 lakh over five years (ROI was 121 per cent), whereas a 3BHK at ₹78 lakh generated ₹62.2 lakh (ROI was 80.2 per cent). The gap: ₹32 lakh in favour of the smaller units, driven by faster capital appreciation (13.8 per cent CAGR versus 9.1 per cent) and higher cumulative rental income.

The premium will likely persist

This is not a temporary anomaly. Several structural forces sustain the 1BHK yield advantage. India's 20–35 age cohort is at its largest in history, and nuclear family formation is accelerating demand for independent rental housing. IT migration corridors in Bengaluru, Hyderabad, NCR, and Pune attract hundreds of thousands of young professionals each year, all of whom need a practical, affordable place near work. These tenants are in the majority and looking for a 1-bedroom apartment.

The 3BHK faces a different structural problem. Its tenant pool of families and senior professionals is narrower, moves less frequently, and negotiates more aggressively on rent.

A 10 per cent rent increase on a 3BHK in a Bengaluru IT corridor means ₹4,000–5,000 more per month, which tenants resist or use as a trigger to consider buying.

The same percentage increase on a 1BHK is ₹1,800–2,600, far easier to absorb. This dynamic means 1BHK landlords reset rents to market rates far more often, particularly in rising markets.

Owning two units also provides built-in vacancy protection. A vacant month in a 3BHK means zero income. With two 1BHKs, the probability of both being empty simultaneously is substantially lower, and one unit continues generating returns during tenant transitions.

Where the strategy doesn't work

The strategy works across cities, but the magnitude varies. Hyderabad's 1BHK yield of 4.62 per cent versus its 3BHK yield of 3.19 per cent is among the widest gaps, and NCR is similar, at 4.31 per cent versus 2.91 per cent.

MMR shows the smallest difference (2.99 per cent versus 2.53 per cent), largely because structurally high property prices compress yields across all apartment sizes.

Pune is the most reliable market; 1BHK outperformed the 3BHK in 99 per cent of localities. Bangalore is the highest-conviction city overall, with exceptional capital appreciation in IT corridors.

But the strategy is not universal. In rapidly developing peripheral markets, Noida Sector 137, Virar West, parts of Ghaziabad, 3BHK capital appreciation has at times significantly outpaced 1BHK, driven by infrastructure development and family-oriented demand.

In mature luxury neighbourhoods with minimal 1BHK supply, a stable 3BHK tenant may offer more predictability in operational havoc. And for investors who want minimal management overhead, two properties with more frequent tenant turnover may simply not suit their temperament.

The 2x1BHK strategy requires slightly more active management, two maintenance schedules, more tenant transitions and periodic repainting between occupancies.

The decision in practice

The clearest signal to apply this strategy is locality, not city. If the target area sits within 5-7km of a major IT park, university cluster, or metro corridor, and has a healthy working population aged 22–35, the 1BHK demand pipeline is almost certainly robust.

In such markets, two 1BHK units near Kondapur, Madhapur, Gachibowli, or Narsingi in Hyderabad, Hinjewadi or Kharadi in Pune, or Krishnarajapuram, Marathahalli and Whitefield in Bangalore will, on current trends, outperform a single 3BHK on every metric that matters to a cash-flow investor: yield, total return, vacancy resilience, and capital flexibility.

The 3BHK remains the right choice when the investor expects a specific infrastructure catalyst to drive appreciation, prefers a single long-term tenant, or may eventually occupy the property. For everyone else, particularly those building a rental income portfolio, the maths strongly favour splitting up.

The author is the cofounder and CBO of NoBroker.

The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK