A home loan is usually the largest EMI in an Indian household. On a ₹50 lakh loan, the difference between 15-year and 25-year tenure can mean ₹30 lakh+ in extra interest — even at the same rate.
Use our Home Loan EMI Calculator and EMI Calculator while reading this guide. Figures below use the standard reducing-balance EMI formula used by most Indian banks and HFCs.
How EMI is calculated
EMI = Equated Monthly Installment — fixed monthly payment covering principal + interest.
Formula (same as our calculators):
EMI = P × r × (1 + r)^n ÷ ((1 + r)^n − 1)- P = loan amount (after down payment)
- r = annual rate ÷ 12 ÷ 100 (monthly rate)
- n = tenure in months
Early EMIs are mostly interest; later EMIs repay more principal. That is why prepayment in the first 5–10 years saves the most interest.
Step 1 — How much EMI can you afford?
FOIR (Fixed Obligation to Income Ratio)
Most lenders cap total EMIs (home + car + personal loan) at roughly:
- 40–50% of net monthly income (salaried)
- Stricter for self-employed; varies by bank
Example:
| Net monthly income | EMI cap (40%) | EMI cap (50%) |
|---|---|---|
| ₹75,000 | ₹30,000 | ₹37,500 |
| ₹1,00,000 | ₹40,000 | ₹50,000 |
| ₹1,50,000 | ₹60,000 | ₹75,000 |
Leave headroom for maintenance, property tax, insurance, and emergencies — do not borrow up to the full FOIR limit.
Down payment and LTV
- LTV (loan-to-value): Banks typically finance 75–90% of property value (lower for high-value or commercial properties)
- Own contribution: 10–25% down payment + registration/stamp duty (often 5–7% of property value in many states) + GST on under-construction flats
Rule of thumb: If property costs ₹60 lakh, keep ₹15–20 lakh ready beyond the loan (down payment + registration + interiors buffer).
Step 2 — Tenure vs EMI vs total interest
Same loan ₹50,00,000 at 8.5% p.a. — illustrative (use calculator for exact):
| Tenure | EMI (approx.) | Total interest (approx.) | Total payment |
|---|---|---|---|
| 15 years | ₹49,200 | ₹38.6 lakh | ₹88.6 lakh |
| 20 years | ₹43,400 | ₹54.1 lakh | ₹1.04 crore |
| 25 years | ₹40,100 | ₹70.3 lakh | ₹1.20 crore |
| 30 years | ₹38,400 | ₹88.2 lakh | ₹1.38 crore |
Takeaway: Stretching from 20 to 30 years saves ~₹5,000/month on EMI but costs ~₹34 lakh more in interest. If income allows, shorter tenure almost always wins.
Step 3 — Interest rate matters as much as tenure
On ₹50 lakh / 20 years:
| Rate | EMI (approx.) | Total interest (approx.) |
|---|---|---|
| 8.0% | ₹41,900 | ₹50.5 lakh |
| 8.5% | ₹43,400 | ₹54.1 lakh |
| 9.0% | ₹44,900 | ₹57.8 lakh |
| 9.5% | ₹46,500 | ₹61.6 lakh |
0.5% lower rate ≈ ₹3–4 lakh less interest over 20 years. Negotiate with:
- PSU banks (SBI, BoB, PNB) — often competitive for salaried
- Private banks (HDFC, ICICI, Axis) — faster processing
- HFCs (LIC Housing, Bajaj Housing) — flexible for some profiles
Compare effective rate including processing fee (0.25–1% of loan), legal/technical charges, and insurance bundling.
Floating vs fixed vs hybrid
| Type | Pros | Cons |
|---|---|---|
| Floating (RBI repo / EBLR linked) | Falls when rates fall; usually no prepayment penalty for individuals | EMI rises when rates rise |
| Fixed (full tenure) | Certainty | Higher starting rate; rare for full 20–30 yr today |
| Hybrid (fixed 2–3 yr, then floating) | Budget planning in early years | Rate shock after fixed period |
Most new home loans in India are floating, linked to RBI repo or bank EBLR/MCLR. Check reset frequency in the Key Fact Statement (KFS) — mandatory disclosure since RBI guidelines.
Prepayment — the highest-ROI move
Rules (typical for individual floating-rate home loans)
- No prepayment penalty on floating-rate home loans for individuals (RBI direction)
- Fixed-rate loans may charge 2–3% on prepayment — read sanction letter
- Prepay via lump sum (bonus, maturity proceeds) or extra EMI (1–2 per year)
Example impact
₹50 lakh, 20 years, 8.5% — if you prepay ₹1 lakh once in year 3 toward principal:
- Interest saved: often ₹2–3 lakh+ over the loan life
- Tenure reduction: several months (depends on whether you keep EMI same or reduce tenure)
Ask lender: reduce tenure (same EMI) vs reduce EMI (same tenure) — tenure reduction usually saves more interest.
Tax benefits (old regime only for most)
If you file under the old tax regime:
| Section | Benefit | Typical limit |
|---|---|---|
| 80C | Principal repayment | Part of ₹1.5L 80C basket |
| 24(b) | Interest on self-occupied home | Up to ₹2 lakh/year |
| 24(b) | Let-out property | Full interest offset (with set-off rules) |
New tax regime: These deductions do not apply — factor that into old vs new regime choice if you bought a house partly for tax saving.
Practical checklist before sanction
- CIBIL 750+ — better rates and faster approval
- Stable employment — 2+ years total experience; 6+ months in current job (typical)
- Property title clear — legal opinion, RERA registration for under-construction
- Co-applicant — spouse income improves eligibility and may get slightly better rates at some banks
- Sanction letter — verify rate type, spread over benchmark, reset dates, processing fee, prepayment and foreclosure clauses
- Insurance — home structure and term plan; not always mandatory but often bundled — compare standalone quotes
Under-construction vs ready possession
- Under-construction: Disbursement in tranches linked to construction; you may pay pre-EMI (interest only) until possession — budget for this
- Ready: Full disbursement; EMI starts immediately
- Tax (old regime): Interest deduction on under-construction property has ₹2L cap including pre-construction interest (claimed in 5 instalments after possession)
Common mistakes
- Choosing maximum tenure only because EMI fits — ignores total interest
- Ignoring stamp duty + registration in affordability math
- Not comparing KFS across at least 3 lenders
- Skipping term insurance equal to outstanding loan (family should not inherit EMI burden)
- Prepaying while carrying 18%+ credit card debt — clear high-cost debt first
Worked planning flow
- Property price ₹70 lakh → down payment ₹14 lakh (20%) → loan ₹56 lakh
- Net income ₹1.2 lakh/month → target EMI ≤ ₹48,000 (40% FOIR)
- Run Home Loan EMI Calculator at 8.5% for 20 vs 25 years
- If 20-year EMI fits, choose 20 years over 25
- Plan ₹50,000/year prepayment from bonus toward principal from year 2
- If old regime: add 80C principal + 24(b) interest in tax calculator
Disclaimer
EMI outputs are estimates. Banks may round differently, charge insurance, or use slightly different day-count conventions. RBI rate changes affect floating EMIs after reset dates. This is not loan or tax advice — confirm with your lender and CA.
Next step: Calculate your home loan EMI →