Chennai Metro Phase 2 crosses 52.55% completion: a buyer's guide to the new corridors

On 3 June 2026, Chennai Metro Rail Limited put a single number on years of tunnelling and viaduct work: Phase 2 has crossed 52.55% overall completion. For a project that broke ground in November 2020 and only began tunnelling in October 2022, that halfway mark is the moment many home buyers have been waiting for, because it is when the conversation shifts from maps and promises to dates and stations. If you are weighing a flat in Porur, Madhavaram, Adyar or along Old Mahabalipuram Road, the question is no longer whether the metro is coming. It is when, and whether you should pay today for a ride that may not start for another two to six years.

The short answer. Phase 2 is a 116.1 km, 118-station, roughly Rs 63,246 crore network across three corridors, and it is now past the halfway point in construction. The first elevated stretches on the western Lighthouse to Poonamallee corridor are due to open in phases through 2026, while the long underground sections through the city core are targeted only around 2028. The trade-off for buyers is simple to state and hard to live with: a home one kilometre from a planned station can carry a 20% to 30% price premium today, but you may pay for years of dust, diversions and EMIs before a train actually arrives.

What exactly did CMRL announce, and is the number credible?

According to a report dated 3 June 2026 in News Today, CMRL has pegged overall Phase 2 progress at 52.55%, with elevated corridor works expected to finish around 2027 and the underground sections targeted for 2028. The figure tracks with CMRL's own published scope. The authority's project status page describes a three-corridor Phase 2 estimated at Rs 63,246 crore. For buyers, the useful read is not the headline percentage but what sits behind it: tunnelling is reported complete in dense pockets such as Adyar, Kodambakkam, Panagal Park, Royapettah, Mylapore and Mandaveli, which are exactly the established neighbourhoods where buyers have been nervous about open trenches and delays. A completed tunnel under your road is materially different from a station that has only just begun. It means the worst of the cut-and-cover disruption in that pocket is behind it, and that the line through your area has cleared its hardest engineering hurdle. That distinction matters when you are deciding whether to pay a premium now or wait, because the construction-stage risk you are pricing in is very different at 52% than it was at 20%.

Which corridors are these, and where do they run?

Phase 2 is built around three corridors. Corridor 3 runs from Madhavaram in the north to the southern IT belt, Corridor 4 runs east to west from Lighthouse on the coast to Poonamallee on the western edge, and Corridor 5 runs from Madhavaram down to Sholinganallur on OMR. Together they thread through Anna Nagar, Adyar, Vadapalani, T Nagar, Nandanam, Perambur, St Thomas Mount and Sipcot. The network includes a large underground component, with 43 of the stations below ground covering roughly 42.6 km, which is why the city-centre stretches take longest. Buyers should note that published figures for total length and station count vary slightly between sources, so treat the corridor map, not a single number, as your planning tool. There is also a notable engineering feature worth understanding: along Arcot Road in west Chennai, Corridors 4 and 5 share a double-decker stretch with interchange stations, which means a single station near Porur can give access to two lines rather than one. Interchange-adjacent homes tend to command the strongest connectivity premium because they open up the widest set of destinations on a single ticket. If a project markets itself as near an interchange, confirm exactly which station and whether it is genuinely a two-line stop or merely close to one.

When do the first stretches actually open?

The nearest-term milestone is on the western Corridor 4. CMRL has signalled that the first elevated section between Poonamallee and Porur, about 8 km with around 10 stations, is the first to go live, with the Porur to Kodambakkam Power House and Koyambedu to Nandanam stretches expected to follow through 2026, as reported by DT Next. The Madhavaram to Sholinganallur corridor is the longer wait, planned later. The practical lesson for a buyer: an opening date quoted as a year is a target, not a guarantee, and metro timelines in every Indian city tend to slip. Budget for the home on its own merits first, and treat the train as upside you may wait for.

How much have prices already moved near the lines?

The premium is real and, in places, already paid. Industry trackers note that homes within about a kilometre of a planned Phase 2 station have seen meaningful appreciation, with Porur alone recording a rise of roughly Rs 800 to Rs 1,000 per square foot over two years. On OMR, average rates have climbed from the high four thousands to around Rs 7,250 per square foot in four years, per market summaries from portals such as LiveHomes. Treat these per-square-foot figures as secondary, builder-and-portal sourced numbers, not official records, and always verify the specific guideline value of any plot on the TNREGINET portal before you sign.

What are the honest trade-offs of buying near a station now?

Buying ahead of a metro is a bet on time, not just location. The upside is connectivity that historically lifts both resale value and rental demand once a line is running. The downside is that you may carry a full EMI through years of construction noise, road diversions and reduced footfall around the works, all while paying a price that already bakes in the future benefit. There is also corridor risk: an elevated station outside your gate is convenient, but the same viaduct can bring traffic, parking pressure and reduced privacy on lower floors. The buyer who does best is usually the one who would have bought the home even without the metro, and treats the line as a bonus. Consider the cash maths plainly. If a flat near a planned station costs Rs 20 lakh more than a comparable home a kilometre away, and the line is realistically three or four years from running, you are funding that gap on a home loan the entire time. At typical rates the interest alone on Rs 20 lakh over four years can run into several lakh more. The metro may well repay that over the long life of the asset, but only if it actually opens on something close to schedule and only if you intend to hold. A buyer who might sell within a few years is exposed to the timeline slipping past their exit, leaving them to sell the premium to the next person rather than enjoy the train themselves.

How should a buyer actually use this milestone?

Use the 52.55% number as a reason to get specific, not to rush. Walk to the nearest planned station site and see whether piers are up or the land is still being acquired. Ask the developer for the exact station name and chainage near the project, then cross-check it against CMRL's corridor map rather than the sales brochure. Most importantly, separate the two decisions you are really making: is this a good home at a fair price today, and is the metro worth the premium you are being asked to pay for a service that may be two to six years away.

A seven-point checklist before you buy near Phase 2

1. Identify the exact planned station near the project and confirm it on CMRL's official corridor map, not the developer brochure.
2. Visit the station site in person and judge construction stage: land acquisition, piers up, or trial-ready.
3. Assume the quoted opening year can slip by one to three years, and stress-test your EMI for that wait.
4. Verify the guideline value of the specific plot on the TNREGINET portal so you know your true registration cost.
5. Check whether the project sits on the convenient side of the viaduct or faces traffic, noise and parking pressure.
6. Compare the price against a similar home a little farther from the line to see how big a premium you are paying.
7. Confirm the project's own TN-RERA registration and possession date independently, separate from any metro timeline.

Is Chennai Metro Phase 2 fully open yet?

No. As of June 2026 Phase 2 has crossed 52.55% construction completion. The first elevated stretches on the western Lighthouse to Poonamallee corridor are due to open in phases through 2026, while the underground city-centre sections are targeted only around 2028, so most of the network is still years from carrying passengers.

How much does property near a metro station cost more?

Market trackers suggest homes within about a kilometre of a planned Phase 2 station can carry a premium of roughly 20% to 30%, with Porur alone seeing a rise of around Rs 800 to Rs 1,000 per square foot in two years. These are secondary portal figures, so verify the guideline value of the specific plot before committing.

Which Chennai areas benefit most from Phase 2?

The corridors connect Madhavaram, Porur, Vadapalani, Adyar, T Nagar, Nandanam, Perambur, St Thomas Mount, Sholinganallur and the Sipcot IT belt. West Chennai around Porur sees the earliest gains because Corridor 4's first sections open soonest, while OMR and the southern stretches face a longer wait for trains to actually run.

Should I buy now or wait for the metro to open?

Buy only if the home makes sense on its own price and location today, then treat the metro as upside. Buying purely for a future line means carrying full EMIs through years of construction while paying a premium already baked into the price. If the line drives your decision, waiting lowers timeline risk.

Last updated 2026-06-07. PropNewz Team.