Slab-Wise Payment Plans: What Buyers Should Know
A construction-linked payment plan sounds like the safest thing in the world: you pay as they build, so your money follows their progress. In principle that is right. In practice, the schedule is a negotiated document, and how it is written decides whether you are genuinely protected or simply funding the tower ahead of schedule while paying rent on the flat you currently live in.
How does a slab-wise payment plan actually work?
You pay an initial booking amount, then a series of instalments triggered by construction milestones — typically the completion of specified slabs, then finishing stages, with a final tranche at possession. Each demand should be raised only once its milestone is genuinely reached.
The logic is that your outflow tracks the developer's progress, which limits how much of your money is exposed if the project slows down. That is a real protection and it is why construction-linked plans are generally preferable to heavily front-loaded ones.
Under RERA, money collected on a registered project is subject to the seventy per cent escrow requirement, which is what makes progress-linked collection meaningful rather than cosmetic.
Where do slab-linked plans go wrong for buyers?
They go wrong when the schedule is front-loaded — when a large share of the total falls due in the first few slabs, well before the building is anywhere near complete. At that point you are financing construction, not paying for progress.
The second trap is milestone definition. A schedule that says 'on commencement of the tenth slab' is very different from one that says 'on completion of the tenth slab', and the difference is months of your money sitting with someone else.
The third is verification. If nobody is checking that the milestone was actually reached before the demand is raised, the linkage is a formality. Ask how progress is certified and whether you can inspect before paying.
What does a slab plan cost you in interest?
On a loan-funded under-construction purchase, your lender disburses in tranches against the demands, and you pay interest on the amount disbursed so far — often as pre-EMI — through the entire construction period. That interest does not reduce your principal.
Layer rent on top of that, and a long-dated project can cost you a substantial sum before you have spent a night in the flat. This is the number that makes a possession date two years further out genuinely expensive, and it almost never appears in a comparison anyone shows you.
Model it explicitly: expected disbursement schedule, interest over the construction period, plus rent for the same period. Then compare that total against a ready-to-move option where neither cost exists. The under-construction versus ready-to-move guide covers the rest of the trade-off.
What should you negotiate before signing the schedule?
The shape of the curve, the wording of each milestone, and what happens when the developer misses one. All three are negotiable, and all three matter more than a small discount on the headline rate.
- Push back on front-loading: aim for a schedule where your cumulative outflow tracks visible construction rather than running ahead of it.
- Insist that milestones read as completion of a stage, with a defined method of certification.
- Ask what relief applies if a milestone slips — delay compensation should be written in, not assumed.
- Confirm the account each instalment is payable into, and that it is the registered project account.
- Check what falls due at possession and what conditions must be met before you are asked to pay it.
- Read the demand-and-default clauses as carefully as the payment table; the penalties for your delay are usually more precisely drafted than the penalties for theirs.
Is a subvention or possession-linked offer better?
Sometimes, but read them as pricing rather than as generosity. A scheme where the developer bears interest during construction is a cost the developer has priced into the flat somewhere, and your job is to find out where.
Compare any such scheme against a plain construction-linked plan on total outflow to possession, including what you pay in rent meanwhile. If the scheme wins on that basis, take it. If it only wins on the monthly figure quoted in the brochure, it is not winning.
Also check what happens if the project is delayed under the scheme — that is precisely the scenario these offers are least clear about, and precisely when you will care.
