1 BHK Flats in Chennai (2026): Prices, Areas and What ₹40 Lakh Buys

A new 1 BHK in Chennai starts at about ₹35–37 lakh on our listings, on GST Road and in Manapakkam; under ₹30 lakh usually means resale or the far fringe. Named projects with sizes, possession and RERA numbers, the rent a 1 BHK must earn, and the checks.

A new 1 BHK flat in Chennai costs from about ₹35–37 lakh in 2026 on Property Point listings, at Urbanrise The World of Joy in Guduvanchery and Casagrand Castle in Manapakkam, for roughly 610–620 sq ft. Most new 1 BHKs sit between ₹40 and ₹70 lakh. Under ₹30 lakh usually means resale or the outer fringe.

Updated 12 October 2026. Project prices, sizes, possession dates and RERA numbers are Property Point listings (developer information, indicative, October 2026). A listed starting price is the smallest unit; ask for the 1 BHK line on the developer's current price sheet.

Why are new 1 BHK flats scarce in Chennai?

Developers are building larger homes. In ANAROCK's Q2 2026 Chennai report, 45% of new supply was priced at ₹80 lakh to ₹1.5 crore and 32% at ₹40–80 lakh, at an average quoted base price of ₹7,250 per sq ft. At that average, a 600 sq ft 1 BHK is about ₹43.5 lakh before GST and registration (our arithmetic).

On our books, 11 of 177 Chennai projects list a 1 BHK, and only a handful are current and priced. That is why the 1 BHK map is a map of the southern and western edges, with a few exceptions in the north.

1 BHK flats in Chennai under 40 lakhs

Urbanrise The World of Joy, Guduvanchery, GST Road: new launch, 1 BHK of 620 sq ft from about ₹35 lakh, possession December 2028, TN/01/Building/0276/2024: Urbanrise World Of Joy
Casagrand Castle, Dharmarajapuram, Manapakkam: ready to move, 1 BHK of 614 sq ft from about ₹36.8 lakh, TN/01/Building/039/2019: Casagrand Castle Manapakkam

1 BHK flats in Chennai from ₹40 to ₹70 lakh

Jains Aadhya, Semmancheri, OMR: 1 BHK from about ₹42 lakh, smallest unit 416 sq ft, possession October 2029, TN/29/Building/0514/2024: Jains Aadhya Semmancheri
Alliance Orchid Springs, Korattur: ready, 1 BHK of 692 sq ft at about ₹45 lakh; our listing shows no RERA number, so ask for it: Alliance Orchid Springs Korattur
Doshi Risington, Karapakkam, OMR: 1 BHK of 538 sq ft at about ₹46.2 lakh, possession December 2027, TN/29/Building/0379/2024: Doshi Risington Karapakkam
Purva Windermere, Medavakkam: from ₹52 lakh, sizes from 614 sq ft, possession December 2027, TN/29/Building/0008/2023: Purva Windermere Medavakkam
Prestige Palm Court, Madhavaram: new launch, from ₹67 lakh, sizes from 637 sq ft, possession December 2030, TNRERA/29/BLG/0265/2026: Prestige Palm Court Madhavaram

Can you buy a 1 BHK flat in Chennai below 30 lakhs?

Not in a new project on our books; our lowest is about ₹35 lakh. Portals do list a few new 1 BHKs just under ₹30 lakh on the far edges: HomeBazaar showed a 525 sq ft unit at Urbanrise Revolution One in Padur at ₹29.89 lakh and a 452 sq ft unit at Shriram Divine City in Mangadu at ₹25 lakh when we checked on 12 October 2026. Otherwise, sub-₹30 lakh 1 BHKs are resale flats, usually older and smaller.

If the budget is fixed at ₹30 lakh, compare a resale 1 BHK closer to work with a plot on the fringe; our ₹40 lakh page covers both: Under 40 Lakh, Chennai

Which areas suit a 1 BHK in Chennai?

GST Road (Guduvanchery, Vandalur): the lowest entry prices and suburban rail; ANAROCK's Guduvanchery rate was about ₹5,480 per sq ft in Q2 2026. Guduvancheri, Chennai
Southern OMR (Semmancheri, Karapakkam, Kelambakkam): closest to the IT corridor, where single professionals rent. Kelambakkam, Chennai
West (Manapakkam, Porur): near the airport, Porur and Guindy. Manapakkam, Chennai
North (Korattur, Madhavaram): established neighbourhoods with metro lines under construction. Madhavaram, Chennai

Is a 1 BHK in Chennai a good investment? The rent it must earn

Work backwards from the price. To earn a 4% gross yield, a ₹35 lakh flat must rent for about ₹11,700 a month, a ₹45 lakh flat for ₹15,000 and a ₹60 lakh flat for ₹20,000 (our arithmetic).

Now compare ANAROCK's Q2 2026 rents for a full 2 BHK of 1,000 sq ft: ₹15,000–22,000 a month in Guduvanchery, ₹18,200–25,500 in Perumbakkam, ₹13,300–18,000 in Avadi and ₹19,300–27,000 in Perambur. A 1 BHK normally rents below a 2 BHK in the same area, so these ranges are a ceiling, not a forecast. A ₹35–40 lakh 1 BHK on GST Road can plausibly clear 4%; a ₹60–70 lakh 1 BHK usually cannot. Locality yields in detail: Chennai Rental Yields by Locality (2026): What Landlords Actually Earn, from Manapakkam to OMR

Resale reality and the checks that matter

Resale depth: the next buyer of a 1 BHK is usually an investor or a first-time owner on a tight budget, so it can take longer to sell than a 2 BHK in the same project.
Size: a 416–640 sq ft listed size is often super built-up. Ask for the carpet area in writing: Carpet vs Built-Up vs Super Built-Up Area: What You Actually Pay For
GST: an under-construction flat pays 1% if it is affordable housing (carpet area up to 60 sq m and value up to ₹45 lakh) and 5% otherwise; a completed flat sold after its completion certificate pays none. GST on Under-Construction Property in 2026, Explained
Stamp duty: a new flat pays 4% up to ₹50 lakh plus 2% registration; a resale flat pays 7% plus 2%. Chennai stamp duty calculator
Possession: read the registered completion date on rera.tn.gov.in, not the brochure. Documents: UDS, Patta, Chitta and EC Meaning in Tamil (2026): Buyer's Guide
Senior-living projects: Ashiana Swarang (Nemmeli) and TVS Emerald Serene Springs (Thaiyur) also list 1 BHKs, but they are designed for seniors; see Retirement Homes in Chennai (2026): Senior Living Projects to Buy

Questions, answered

What is the price of a 1 BHK flat in Chennai?

New 1 BHKs on our listings start at about ₹35 lakh (Urbanrise The World of Joy, Guduvanchery) and ₹36.8 lakh (Casagrand Castle, Manapakkam, ready), and most sit between ₹40 and ₹70 lakh, depending on area and size.

Can I get a 1 BHK flat for sale in Chennai below 30 lakhs?

Rarely in a new project. Portals list a few on the far edges, such as Padur and Mangadu, at about ₹25–30 lakh; otherwise it means an older resale flat. Check the building's age, the completion certificate and the EC before paying an advance.

Which is the best area to buy a 1 BHK in Chennai?

For the lowest price, GST Road around Guduvanchery. For rental demand from IT workers, southern OMR such as Semmancheri and Karapakkam. For an established neighbourhood near Porur and the airport, Manapakkam.

Are there 1 BHK flats in Chennai under 40 lakhs?

Yes, two on our books: Urbanrise The World of Joy in Guduvanchery from about ₹35 lakh (possession December 2028) and Casagrand Castle in Manapakkam from about ₹36.8 lakh (ready to move).

What rent does a 1 BHK earn in Chennai?

We found no 2026 source for 1 BHK rents by area. ANAROCK's Q2 2026 figures for a 1,000 sq ft 2 BHK run from ₹13,300–18,000 in Avadi to ₹19,300–27,000 in Perambur; a 1 BHK usually rents for less. To yield 4% gross, a ₹40 lakh flat needs about ₹13,300 a month.

Is a 1 BHK a good investment in Chennai?

It can be at the lower end of the market, where a ₹35–40 lakh flat needs a modest rent to clear 4% gross. Above ₹60 lakh the rent rarely supports the price, and a 2 BHK usually resells more easily.

Flood Prone Areas in Chennai 2026: Area-by-Area Check Before You Buy

Chennai's flood-prone areas, locality by locality, each with the dated report behind it: 2015, 2021, Michaung 2023, Fengal 2024 and December 2025, plus the official vulnerable-area lists, the Pallikaranai freeze, where to find a real flood map, and how to check one flat or plot before the 2026 monsoon.

Buyer Guide · 11 min read