A profitable apartment sale can create an income-tax liability even when the proceeds are immediately used to repay a loan or buy another property. The correct calculation depends on who owns the asset, when it was acquired, the tax residence of the seller, documented costs and the provisions governing the transfer. This overview reflects publicly available 2026 guidance but is not a personal tax computation. The Income-tax Act, 2025 applies from April 2026, so confirm the provisions and return forms for your transaction year rather than copying an old online illustration.
## Start with the date and nature of acquisition For ordinary capital-asset residential property, the commonly relevant holding-period threshold distinguishing short-term from long-term is 24 months. Rules for inherited, gifted, jointly owned, business or other special assets need separate analysis. Collect the original registered deed, possession and transfer documents, payment evidence, stamp-duty records and records of inherited or previous-owner holding where applicable. A later mutation entry does not by itself settle the historical acquisition cost or the date relevant to tax.
## Capital gain is not the entire sale price Broadly, taxable gain starts from the value of consideration used for tax purposes and then accounts for eligible acquisition cost, improvement cost and qualifying transfer expenses, subject to specific statutory rules. Keep invoices and proof of payment for material improvements and professional expenses. Loan repayment is a use of proceeds, not an automatic deduction from capital gains. Where the declared transfer consideration differs from relevant stamp-duty valuation, special deeming rules may become relevant and require calculation by a qualified tax adviser.
## Understand the 2026 long-term rate framework Official Income Tax Department guidance describes a 12.5% long-term capital-gains framework without indexation for relevant real-estate transfers after 23 July 2024. It also describes a grandfathering option for qualifying resident individuals and Hindu undivided families concerning land or buildings acquired before that date, allowing comparison with an indexed 20% calculation in eligible circumstances. Eligibility, surcharge, cess and special situations must be checked under the law applicable to the tax year. Short-term gains are generally treated differently and cannot simply use the long-term rate.
## Reinvestment relief has conditions and deadlines When selling a qualifying long-term residential property, reinvestment in eligible residential housing may reduce taxable gains under applicable provisions, subject to who sells, the number and value of qualifying new homes, timing and other restrictions. The Income-tax Act, 2025 organises the house-sale exemption under section 82, while earlier materials often refer to section 54 of the 1961 Act. Confirm the exact current provision before citing a section in documents. A Capital Gains Account Scheme deposit may be relevant when the new purchase is not completed before the tax filing deadline.
