Bathroom renovation in Delhi NCR in 2026 typically costs approximately ₹48,000–92,000 for a cosmetic refresh, ₹1.25–2.3 Lakh for a mid-scope waterproofing and retile job, or ₹2.6–4.2 Lakh+ for a full layout change — depending on scope. Bathrooms in 10–20 year old Delhi NCR flats fail in almost identical ways, regardless of which society or city they're in, and here's what we consistently find and how long each tier realistically takes.
The Problems We See in Almost Every Old Bathroom
Waterproofing membrane failure is the most common issue, and the most consequential, since it doesn't just affect your bathroom — it causes seepage into the ceiling of the flat below, one of the most frequent complaints we hear from homeowners in older Ghaziabad and Noida societies. Outdated CP fittings and fixtures that no longer meet modern low-flow standards are a close second, usually paired with cracked tile grout that lets water seep slowly into the subfloor for years before anyone notices the damage. Corroded plumbing lines hidden behind tile are the least visible problem and the most expensive to discover late — exactly why we recommend a proper assessment before quoting any bathroom renovation, not just a visual walkthrough.
Approx. ₹48,000–92,000
Cosmetic Refresh — Fittings + Tile Face-Lift
Right when your waterproofing and substrate are genuinely sound — no active leaks, no soft or hollow-sounding tile — and you just want updated fittings, a new vanity and mirror, and a tile face-lift over the existing sound substrate. It's the fastest, lowest-cost tier, but it only works if an honest inspection confirms there's no hidden waterproofing problem underneath.
Approx. ₹1.25–2.3 Lakh
Mid Scope — Waterproofing + Full Retile + Fittings
Our most common bathroom renovation scope: full strip to the substrate, new waterproofing membrane with proper slope correction toward the drain, complete new tiling, and new CP fittings and sanitaryware. This tier is the right call whenever there's any sign of past seepage, even minor, because a face-lift over a failing membrane just delays the same problem by a year or two.
Approx. ₹2.6–4.2 Lakh+
Full Renovation — Layout Change + Plumbing Reroute
This covers moving fixture positions — relocating a WC or shifting a shower to a different wall — which requires rerouting plumbing lines and often a false ceiling to conceal new pipe runs, plus premium sanitaryware and fittings. This tier makes sense when the existing layout is genuinely impractical, not just outdated-looking; a layout change is a meaningfully bigger undertaking than a finish upgrade and should be decided on functional grounds, not aesthetics alone.
Cost & Timeline by Tier
Timelines run almost entirely on waterproofing cure and flood-test time, not labour availability — the same physical curing reality behind full home renovation timelines doesn't compress for a bathroom just because it's a smaller room.
| Tier | Cost | Timeline |
|---|---|---|
| Cosmetic Refresh — Fittings + Tile Face-Lift | ₹48,000–92,000 | 5–7 days |
| Mid Scope — Waterproofing + Full Retile + Fittings | ₹1.25–2.3 Lakh | 12–18 days |
| Full Renovation — Layout Change + Plumbing Reroute | ₹2.6–4.2 Lakh+ | 20–30 days |
One Thing Worth the Extra Cost: Never Skip the Waterproofing Cure Time
The single most common cause of a bathroom leaking again within a year of renovation is tiling going down before the waterproofing membrane has properly cured and been flood-tested. It's tempting to compress this step when a timeline is tight, but it's also the one step where a shortcut is completely invisible until the ceiling below starts showing a stain months later. We build cure and flood-test time into every Renovations quote as a fixed step, not a variable one — it's non-negotiable regardless of how much a client wants to move faster.
