Getting the keys to a new flat is the easy part. The next 8–12 weeks decide whether your interiors go smoothly or become a loop of rework and blame. This is the complete possession-to-move-in checklist for Indian flats: the builder-handover inspection (do this before ANY interior work), the correct work sequence, the society formalities, and the timeline that gets you in without the last-minute chaos.
Step 1 — Snag the builder's work FIRST (week 0)
Before your own work begins, defects are the builder's to fix free under the defect-liability period. Inspect with a printed list, in daylight:
- Seepage: stains on ceilings (especially under the upstairs bathrooms), around windows, in corners
- Hollow tiles: tap every few tiles with a coin — hollow ones sound different and pop later
- Bathroom slopes: pour a mug of water at the door; it must reach the drain, not the corner
- Doors/windows: every one opened, closed, locked; gaps against the frame checked
- Electrical: every point tested with a phone charger; earthing verified (a ₹300 tester); MCB labels legible
- Plumbing: every tap run 5 minutes, flush cycles, drain speed, geyser points live
- Walls: raking torchlight along each wall shows waviness the eye misses
Submit the snag list in writing, get fixes done, THEN start interiors. Reading your flat's drawings first helps — the floor-plan guide shows what the markings mean.
Step 2 — Society formalities (week 0–1)
- Interior-work permission in writing + refundable deposit receipt
- Work timings (usually 9–6, no Sundays), debris rules, lift usage/padding rules
- Worker entry passes / police verification where the society requires it
- Neighbour heads-up — two floors up and down. Costs nothing, saves conflict
Step 3 — The work sequence (weeks 1–10)
| Weeks | Stage | Key checks |
|---|---|---|
| 1–2 | Civil changes + plumbing rerouting | Society-approved scope only; pressure test |
| 2–3 | Electrical rough-in + AC piping | Every point walked and chalk-marked first |
| 3–5 | False ceiling + painting base | Light positions from furniture layout |
| 5–8 | Modular kitchen + wardrobes | Measure after tiling/ceiling — never from drawings |
| 8–10 | Final paint, deep clean, soft furnishing | Snag walk; hold 5% till closed |
The full stage-gate detail (what to verify before each payment) is in the renovation checklist — a new flat simply skips the demolition stage.
Step 4 — Move-in week
- Deep clean professionally (₹4,000–10,000) after the last trade leaves
- Gas connection / piped gas activation — lead times run 1–3 weeks, apply early
- Utility transfers: electricity name change, water, broadband installation slot
- Photograph the finished flat — insurance, records, and the pleasure of it
- The paperwork box: warranties, paint codes, spare tiles, MCB photo, plumbing photos — one labelled box that future-you will bless
What NOT to do in a new flat
- Don't break structural walls or columns — ever, and most societies rightly refuse permission
- Don't relocate bathrooms/kitchen wet areas casually — sunken-slab waterproofing is involved; done wrong, it's the neighbour's ceiling
- Don't enclose balconies without checking rules — many cities treat it as a violation that surfaces at resale
- Don't skip the 10% contingency — new flats surprise too: a window that leaks in the first monsoon, a point that was never live
Frequently asked questions
What should I check before starting interior work in a new flat?
The builder-handover snag list: seepage marks, hollow tiles, bathroom drainage slopes, every door/window/electrical point/tap tested — submitted in writing so fixes happen free under defect liability.
How long do interiors take for a new 2 BHK flat?
8–12 weeks for a full interior with modular kitchen and wardrobes. Add 2–3 weeks in festival season or if civil changes are large.
What is the right sequence of interior work?
Civil and plumbing → electrical and AC piping → false ceiling → painting base → modular furniture → final paint and soft furnishings. Every out-of-order step becomes rework.
What society permissions are needed for interior work?
Written permission with timing and debris rules, a refundable deposit in most societies, worker verification where required — and NOC for any wet-area or structural change.
How much do full interiors cost for a new 2 BHK?
₹8–15 lakh covers most full scopes in 2026 (indicative); ₹12–18 lakh with premium kitchen and full furniture. See our detailed 2 BHK cost breakdown for the line items.
When should I book the modular kitchen vendor?
In week 1–2 (design + booking), but final measurement only after tiling and false ceiling — factory lead time of 3–5 weeks then lands at the dust-free stage.