Room sheet · Bathroom · Mumbai region
₹1.2–3.5L
Per bathroom · full renovation · incl. waterproofing
The most engineering-dense room in the house — and the one where shortcuts cost the most.
Floor area
35–55 sqft
Per bathroom
₹1.2–3.5L
Lead time
3–4 wks post-design
Share of 2 BHK BOQ
~14%
01 · THE HONEST ANSWER
The order of work matters more than the brand.
A bathroom stacks waterproofing, plumbing, electrical and finishes into 40-odd sqft. A membrane laid in the wrong sequence fails regardless of who made it — and every repair after means breaking tile.
A bathroom is the most engineering-dense room in the house per square foot. It is also the room where shortcuts cost the most later, because everything sits behind tile.
The budget splits cleanly: sanitaryware and fittings, the vanity and glass, and tiling over a waterproof base. The line you can’t see — the membrane — is the one that decides whether the room lasts ten years or two. We’d rather spend an extra day on the waterproofing sequence than a week breaking tiles to chase a leak that a channel would have stopped.
50+
Homes delivered
7
CLARITY gates
100%
BOQ itemized
47
Handover checks
02 · WHERE THE BUDGETS GOES
Four pieces. Waterproofing is the one you can’t see.
The split for a full bathroom renovation. Fittings and tiling are visible; the waterproofing is not — and it is the line that protects every other one.
Fittings
₹25–60k
Wall-hung WC + concealed cistern, mixer, shower, health faucet. Jaquar / DERA grade.
Joinery
₹20–55k
Floor-standing vanity with quartz top + basin, 10mm toughened glass partition on an SS channel.
Surface
₹30–70k
600×600 anti-skid floor, 300×600 walls. Pattern mocked on site before fixing.
Hidden
₹15–35k
Cementitious coat + membrane in the wet zone. The line you never see and never regret.
Ranges assume base–mid spec for a 42 sqft bathroom, full strip-out and rebuild. Civil demolition of an older bathroom is quoted separately after a site visit.
A REAL BOQ
One bathroom.Line by line.
A real BOQ from a delivered bathroom — sections, items, units, rates. A few rates are redacted where studios prefer not to share; the structure is exactly what you’d receive at Gate 05 before signing.
04 · FIELD EXPERIENCE
Six things we’d avoid in a bathroom.
Patterns we see again and again — on our own early projects and on the quotes clients bring us to audit. Each one is cheap to avoid on paper and expensive to fix on site.
01
Wall-mounted vanity without checking the wall type.
Lightweight partition walls cannot hold a wall-mounted vanity with a stone top. Check the wall construction first — if it isn’t brick or concrete, use a floor-standing unit.
Pull-out
risk
02
Frameless glass partition without a base channel.
A frameless shower partition without a floor channel leaks into the dry zone within weeks. The channel adds ₹2–4k but ends the daily mopping.
Leaks
in weeks
03
Dark floor tiles in a bathroom without a window.
Dark tiles in a windowless bathroom make the space feel half its size and hide dirt. Light matte tiles plus good artificial lighting is the better combination.
Halves
the space
04
Concealed cistern without an access panel.
A concealed cistern saves space, but if the access panel is tiled over or too small, every repair means breaking tile. The panel must be reachable and large enough for a plumber’s hand.
Break tile
to fix
05
Mixer tap placement on the wrong wall.
The shower mixer should be on the wall you face while showering, not behind you. Plumbing points are fixed during civil — changing later means breaking tile.
Fixed
in civil
06
Assuming bathroom renovation is just fixtures.
The fixtures — WC, basin, shower, taps — are only half the cost. Labour alone for a full redo — demolition, waterproofing, plumbing, tiling, electrical — runs ₹80–90k before a single fixture is bought. A quote showing ₹1.2L for a “complete bathroom” doesn’t add up.
₹80–90k
labour alone
06 · FROM THE JOURNAL
Bathroom entries.
Field notes and methods from the studio — the thinking behind the numbers above.
BEGIN
Sixty minutes.
No deck. No deposit.
One conversation. No obligation. You leave with a brief, a budget bracket, and a feasibility note — whether or not we end up working together.