Plot plus construction loans: how a composite home loan works, and what RBI rules require

Rules and rates as of 22 October 2026.

One loan, two jobs

If you want to build your own house rather than buy a flat, the money has to do two things: buy the land, then pay for the building. Lenders sell this as a "composite", "plot plus construction" or "land and construction" loan. The name is a product label, not a regulatory term; the RBI's Master Circular on housing finance for banks does not use the word "composite". What the rules do say is that a plot loan only counts as a housing loan if a house is going to be built on it, and that building money must follow the building.

Why the plot alone is not a home loan

For banks, the RBI Master Circular – Housing Finance (1 April 2025) puts it plainly under "Acquisition of land" (para 2(A)): "Bank finance can be granted only for purchase of a plot, provided a declaration is obtained from the borrower that he intends to construct a house on the said plot, with the help of bank finance or otherwise, within such period as may be laid down by the banks themselves."

For housing finance companies, the RBI's October 2020 circular reviewing the HFC framework (RBI/2020-21/60) is tighter on time. Its definition of housing finance includes loans to individuals "for purchase of plots for construction of residential dwelling units provided a declaration is obtained from the borrower that he intends to construct a house on the plot within a period of three years from the date of availing of the loan."

So the signature on that declaration is the hinge of the whole product. A bank sets its own deadline in your sanction letter; an HFC is working to three years. Read the sanction letter for what happens if you miss it. Lenders commonly reprice the loan or treat it as a non-housing loan, but that is contract, not regulation, and terms differ.

How the money moves

A composite loan is usually disbursed in two phases.

• Phase 1, the plot. The plot already exists, so the lender can pay the seller in one go at registration, after its legal and valuation checks.
• Phase 2, the building. Para 4(c) of the Master Circular says disbursal "should be closely linked to the stages of construction" and that upfront disbursal should not be made for incomplete or green-field housing. In practice the lender releases construction money in tranches as foundation, plinth, slabs and finishing are certified.

Para 2(B)(vii) adds paperwork that is specific to building on your own plot. Before sanction the bank must obtain "a copy of the sanctioned plan by competent authority in the name of a person applying". You sign an affidavit-cum-undertaking to build to that plan, and it is your responsibility to obtain the completion certificate within three months; if you do not, the bank may recall the loan. A bank-appointed architect certifies at stages that the building follows the plan. No loan may be given in unauthorised colonies until they are regularised.

How much the lender can lend

Para 3(a) sets loan-to-value (LTV) caps by loan size, and para 3(b) says stamp duty, registration and documentation charges cannot be counted in the cost of the property (para 3(c) allows them for homes costing up to ₹10 lakh). For a composite loan the "value" is normally the plot plus the estimated construction cost, as assessed by the lender.

Plot plus construction cost	Loan size band	LTV cap	Maximum loan	Your own money
₹30 lakh	Up to ₹30 lakh	90%	₹27 lakh	₹3 lakh
₹40 lakh	₹30 lakh to ₹75 lakh	80%	₹32 lakh	₹8 lakh
₹70 lakh	₹30 lakh to ₹75 lakh	80%	₹56 lakh	₹14 lakh
₹1.2 crore	Above ₹75 lakh	75%	₹90 lakh	₹30 lakh

Note the jump between the first two rows: at ₹40 lakh, 90% would be ₹36 lakh, which is above ₹30 lakh, so the 80% cap applies instead. These are ceilings for banks. Many lenders fund a smaller share of the plot than of the construction, and HFCs follow their own RBI directions, which we could not open; ask your lender for its split.

Worked example: what you pay while the house goes up

Illustrative figures: plot ₹30 lakh, construction ₹40 lakh, loan ₹56 lakh (80%). The lender pays ₹24 lakh for the plot at month 0, then four construction tranches of ₹8 lakh each at months 3, 7, 11 and 15. Construction ends after 18 months. We assume a floating rate of 8% a year (repo 5.50% plus an illustrative 2.50% spread).

Until the house is done you usually pay only interest on what has been released ("pre-EMI"). Monthly interest = balance released × 8% ÷ 12.

• Months 0 to 2: ₹24 lakh × 3 months
• Months 3 to 6: ₹32 lakh × 4 months
• Months 7 to 10: ₹40 lakh × 4 months
• Months 11 to 14: ₹48 lakh × 4 months
• Months 15 to 17: ₹56 lakh × 3 months

Total = (72 + 128 + 160 + 192 + 168) lakh-months = 720 lakh-months × 0.08 ÷ 12 = ₹4,80,000. The monthly bill starts at ₹16,000 and ends at about ₹37,333.

Had the full ₹56 lakh been out from day one, the same 18 months would have cost ₹56,00,000 × 0.08 ÷ 12 × 18 = ₹6,72,000. Stage-linked release saves ₹1,92,000 here, but only if your own contribution and the bank's tranches keep pace with the builder.

Once the house is complete, the full EMI begins. On ₹56 lakh over 20 years at 8%, EMI = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1), with r = 0.08 ÷ 12 and n = 240, which comes to ₹46,841 a month.

Where composite loans go wrong

• The plot cannot be built on. Agricultural land without conversion, a layout without approval, or an unauthorised colony will fail the lender's checks. Our explainers on plot title and land-use conversion cover this.
• The plan is not in your name. Para 2(B)(vii)(a) needs the sanctioned plan in the applicant's name before sanction.
• Costs overrun. The sanction is fixed at the start. If construction costs more, the gap is yours unless the lender agrees a top-up.
• The clock runs out. Delays eat into the period in your declaration, and pre-EMI keeps running.

Tax treatment of interest paid before and after completion is set by the Income-tax Act, 2025. We have not checked the current provisions for this piece, so ask a chartered accountant before counting on any deduction.