Finance
Pre-EMI vs full EMI
On an under-construction home the loan is released in tranches, and your lender offers two ways to pay while that is happening. Under pre-EMI you pay only interest on what has been released, and your principal does not move at all. Under full EMI you pay a complete instalment from the first disbursement, so the loan starts shrinking immediately. One is cheaper in total; the other is cheaper every month while you are also paying for wherever you currently live.
Start with the sanction
Your lender's quote. We hold none.
The tranche months and shares — the assumption most likely to move — are entered in the full panel below, from your own agreement. Nothing you type leaves the browser.
The method
What the two words mean
Read this before the calculator. The arithmetic is the easy half.
On an under-construction purchase the loan is not handed over at once. It is released in tranches as construction reaches the stages your agreement names, and interest is charged only on what has actually been released.
Under PRE-EMI you pay only that interest during the construction window. The payment is small at first and grows with each tranche. Your principal does not move at all, so the day possession arrives you owe exactly what you borrowed, and the repayment tenure starts from there.
Under FULL EMI you pay a complete instalment from the first disbursement. It costs more each month during construction, and every one of those months has been removing principal — so the loan is shorter and the total interest lower.
The choice is therefore not between cheap and expensive. It is between paying rent or another instalment alongside a full EMI for the construction period, and paying less now for more later. The first question is not which is cheaper; it is which you can actually carry each month while also paying for wherever you currently live.
Side by side
The trade, stated once
Pre-EMI
- You pay interest only, on the portion of the loan disbursed so far.
- The payment starts small and rises with each tranche.
- Your principal is untouched. On the day the full instalment begins you owe what you borrowed.
- Total interest across the life of the loan is higher, because nothing was being repaid during the window.
Full EMI
- You pay a complete instalment from the first disbursement.
- The monthly outgo is higher throughout construction, often alongside rent.
- Principal falls from month one, so the balance interest is charged on is smaller every month.
- Total interest is lower, and the loan ends sooner.
So the first question is not which is cheaper — it is which you can carry every month for as long as construction runs, while also paying for where you live now. A buyer who chooses full EMI and then cannot sustain it has made the expensive choice twice.
The empty box
Why we ask you for the rate
We ask you for the rate rather than filling one in, and the reason is not caution. No published rate stays current: lenders reprice floating loans against an external benchmark that moves, the figure in an advertisement is the best case for the strongest applicant, and your own rate is set only after your file is assessed. A number typed into a page that is built once and served for months would be wrong within weeks and would look authoritative the entire time. So the page holds no rate, and the answer you get is an answer to the assumption you supplied.
Your figures
Run both paths on one tranche schedule
The tranche months are yours to enter, and they are the assumption most likely to move.
The sanction, and how it is released
Enter the sanctioned loan, your lender's rate, and the repayment tenure that runs after disbursement is complete. Then enter each tranche: the month it is released, counted from the first disbursement, and the share of the sanction it represents.
Your lender's quote. We hold none.
Fill the loan and at least one tranche, and the two paths appear side by side.
Everything is worked out in your browser. Nothing you type is sent anywhere, stored, or seen by us.
Limits
Where your sanction will differ from this model
Four things the model does not carry
- Sanctions differ in ways this model does not capture. Some lenders recompute the instalment at each tranche; some offer a partial instalment between the two paths; some cap the pre-EMI period and convert automatically. Your sanction letter governs, and it is worth reading before the choice is made.
- The tranche months here are yours to enter, and they are the assumption most likely to be wrong: construction reaches stages when it reaches them. If disbursement runs longer than you assumed, the pre-EMI path costs more than the figure shown.
- This page states no possession date, for this project or any other, and no schedule here should be read as one. What the project has declared is on its RERA registration, which is where a date belongs.
- How interest paid during construction is treated for tax has its own rules under the Income-tax Act, 1961. Check the current position with the Income Tax Department; it is not transcribed here.
Beyond arithmetic
Three things no comparison can know
Your lender's policy
How much of your income a lender will let you commit, what it counts as income, which of your existing obligations it counts, what share of the price it will lend against, and what it does with a co-applicant are all internal policy. Two lenders reading the same file reach different answers, and neither answer is arithmetic.
Your credit assessment
The rate you are offered is set after your file is assessed — bureau record, employment, existing exposure, the property itself. A rate quoted in an advertisement is the best case for the strongest applicant, and a page that assumed it would be quietly wrong for almost everyone.
The rate on the day you sign
Floating rates reprice against an external benchmark, and the benchmark moves. Any schedule computed today is a picture of one assumption held flat for the whole tenure, which is the one thing a floating rate never does.
Questions
Questions this page is asked
- What is pre-EMI, in one sentence?
- During construction you pay only the interest on the part of the loan that has actually been disbursed, so your principal does not reduce at all until the full instalment begins.
- Which one costs less overall?
- Full EMI, on the same assumptions, because principal starts falling immediately instead of standing still through the construction period. It also costs more every month while construction runs, which is the real constraint for most buyers paying rent at the same time.
- Does the choice depend on when the project is completed?
- It depends on how long disbursement runs, which is your own assumption to enter. We state no possession or completion date on this site; what a project has declared is on its RERA registration.
Sources
Who publishes what, and what we do not publish
This page holds no rate of any kind. Where a current figure is needed, the body that publishes it is named and linked here.
Regulates the banks and housing finance companies that set lending rates, and publishes the policy rate and the master directions on external benchmark lending rates. The current rate on any product is the lender's to publish, not ours.
The register on which a Karnataka project's registration, its declared timelines and its uploaded agreement format can be checked before any payment is made.
The equivalent register for a Tamil Nadu project, and the authority to whom a complaint about a payment demand in that state is made.
Income Tax Department
Income Tax Department, Government of India (opens in a new tab)www.incometax.gov.in
Publishes the current position on deductions claimed against home loan interest and principal, including the ceilings and the conditions, which change by Finance Act and are not transcribed here.
Every address above was opened on . Government sites move their pages; if one of these no longer resolves, the fact it holds up is unverified until someone finds where it went, not true because it was true once.
Next
Where to go from here
These tools are meant to be used together — an instalment is only half a decision until you have seen what the schedule, the plan and the paperwork do to it.
The sanction letter decides, not the counter
Which path you are on, whether it can be changed later, and what happens if disbursement runs long are all written in the sanction letter. Ask for it in full, and read the disbursement clause before you sign.