Waterproofing Cost in Mumbai (2026)

Leak-proof bathrooms and terraces in Mumbai, Thane and Navi Mumbai. Brick bat coba lasts 5–7 years and is the standard for bathrooms; PU membrane is the modern 10–15 year solution for terraces and balconies. Here are the July 2026 rate ranges for basic to standard work.

Rate range (July 2026)

Item	Unit	Rate (₹)
Brick bat coba (bathroom)	per sq ft	₹115 – ₹160
PU membrane (terrace / bathroom)	per sq ft	₹210 – ₹260

Rates are labour + basic waterproofing material (Dr Fixit / Sunanda / Fosroc). Areas above 500 sq ft may attract volume discount.

What's included & excluded

✓ Included

Brick bat / PU membrane material
Waterproofing chemical (Dr Fixit / Sunanda)
PCC (plain cement concrete) base
Proper slope formation towards drain
Water pond test before handover
Labour + site cleanup

✕ Excluded

Tile work (wall / floor)
Sanitary ware installation
Concealed plumbing (see Bathroom Renovation)
Debris disposal beyond 1 truck load

Important note

These are approximate rate ranges for basic work under typical Mumbai site conditions (July 2026), for preliminary planning only. Actual cost depends on scope, materials, site access and finish level. This is not a substitute for a detailed quotation — book a free site visit for an exact, itemised estimate.