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You have shortlisted a flat, the builder wants the booking amount, and the bank's loan officer says the rate will depend on your "bureau score". Then the sanction letter arrives with a rate higher than the one in the advertisement. Nine times out of ten, the reason is a three-digit number you have not looked at in years.
Your CIBIL score decides two things: whether a lender says yes, and what rate it charges for the next 20 years. The good news is that it is one of the few parts of a home purchase you can actually improve in a few months.
What a CIBIL score is
A credit score is a number between 300 and 900 that sums up how you have handled loans and credit cards. TransUnion CIBIL is the best known of India's four credit bureaus; the others are Experian, Equifax and CRIF High Mark. Banks usually check at least one of them, and many check CIBIL.
The score is built from your credit report, which lists every loan and card in your name, your repayment record, your limits and balances, and every time a lender has pulled your report after you applied for credit.
What score do you need for a home loan?
There is no single cut-off written into law. Each lender sets its own. As a rough guide, as of November 2026:
- 750 and above: the comfortable zone. You are eligible for most lenders' lowest advertised rates and have room to negotiate.
- 700 to 749: you will usually get approved, often at a slightly higher rate.
- 650 to 699: many banks will still lend, but expect a higher rate, closer scrutiny of income and possibly a lower loan amount. Some lenders treat 650 as their floor.
- Below 650: approval from a bank becomes hard. Housing finance companies may still lend, at noticeably higher rates.
- No score ("NH" or "-1"): if you have never had a loan or card, you have no history rather than bad history. Lenders can still approve you based on income, but a small credit card used well for six months helps.
How your score changes your interest rate
Most home loans today are linked to the RBI repo rate, which stands at 5.50% after the 25 basis point hike on 7 October 2026. The bank adds a spread on top of its benchmark, and that spread is where your score comes in. Many banks, including SBI, publish different rates for different score bands. The gap between the best band and a weak one is commonly somewhere between 0.25 and 1 percentage point. Check your lender's current rate card, as it changes after every policy move.
A worked example
Say you borrow ₹60 lakh for 20 years. These rates are illustrative, not any lender's actual offer.
- Score of 800, rate 7.60%: EMI about ₹48,700. Total interest about ₹56.9 lakh.
- Score of 690, rate 8.40%: EMI about ₹51,690. Total interest about ₹64.1 lakh.
That is roughly ₹3,000 more every month and over ₹7 lakh more across the loan, for the same flat. Spending three months fixing your score before you apply can be worth more than any discount you negotiate with the builder.
Your score also affects how much you can borrow. A lender that sees a shaky record may cut the loan-to-value ratio, which means you put in more of your own money as down payment.
What pulls a score down
CIBIL does not publish its exact formula, but these are the factors that matter, roughly in order of weight.
- Late or missed payments. Even one EMI or card bill paid 30 days late shows up. Repeated delays hurt the most.
- High credit card usage. Using ₹80,000 of a ₹1 lakh limit every month signals stress, even if you pay in full. Try to keep usage under about 30% of your limit.
- Settled or written-off accounts. A loan marked "settled" means you paid less than you owed. Lenders read it almost as badly as a default.
- Too many applications. Every loan or card application triggers a hard enquiry. Several in a few months looks like you are hunting for credit.
- Thin or very new history. A short record gives the bureau little to judge you on.
- Guarantees and joint loans. If you stood guarantor for a friend's loan and they missed payments, it shows on your report too.
How to fix a low score before you apply
Give yourself 3 to 6 months if you can. Here is the order we suggest.
- Get your full report, not just the score. RBI rules require each bureau to give you one free full credit report a year. Checking your own report is a soft enquiry and does not lower your score.
- Look for errors. Common ones: a loan you closed still showing as active, a card you never took, wrong overdue amounts, or someone else's account mixed into yours. These are more common than people think.
- Raise a dispute for every error. Do it on the bureau's website and also write to the lender concerned. Under RBI's framework, complaints should be resolved within 30 days, and if they are not, you are entitled to compensation of ₹100 a day for the delay.
- Clear overdues first. Pay off any amount past due, starting with the oldest.
- Convert "settled" to "closed". If you settled a loan or card in the past, ask the lender what you need to pay to close it fully, then get a no-dues letter and ask for the status to be updated.
- Bring card usage down. Pay the card before the statement date so a lower balance gets reported. Asking for a higher limit (without spending more) also lowers your usage ratio.
- Stop applying for new credit. No new cards, buy-now-pay-later accounts or personal loans in the six months before your home loan.
- Do not close your oldest card. It carries your longest history. Keep it active with a small monthly spend paid in full.
Since January 2025, lenders must report data to the bureaus every 15 days, so a corrected or paid-off account shows up much faster than it used to. You may see movement within one or two reporting cycles.
If you need the loan now
- Add a co-borrower with a strong score, such as a spouse with steady income. Lenders look at both, and it can help with approval.
- Put in a larger down payment. Borrowing 60% of the value instead of 80% lowers the lender's risk.
- Take the loan, then refinance. If you accept a higher rate now, work on the score for a year and then ask your bank to reprice, or move the loan to another lender. Check the fees before you switch.
- Explain one-off problems. A single late payment during a medical emergency or job change, with a clean record since, can often be explained in a covering letter.
Frequently asked questions
Does checking my own CIBIL score reduce it?
No. Checking your own score is a soft enquiry. Only applications to lenders, which trigger a hard enquiry, count against you.
How quickly can a score improve?
Correcting an error can show up within a month or two, since lenders now report every 15 days. Rebuilding after late payments usually takes six months to a year of clean history.
Does a joint home loan affect both scores?
Yes. Both borrowers are fully responsible, so a missed EMI shows on both reports.
Is 750 the magic number?
It is a useful target, not a rule. Some lenders give their best rate from 750, others from 800. Ask your lender which band you fall in before you accept the sanction.
If you are getting ready to buy, Skyros Estates can compare home loan offers from different lenders for your score band and help you line up the paperwork, so the rate you are quoted is the rate you get.
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