What is the ideal window size for a east-facing toilet in Delhi?

Vastu and composite climate together suggest a window approximately 4.5 feet wide with a sill height of 2.5 feet on a east face for a toilet in Delhi. Type: Sliding 2T. Glazing: clear.

Is East an auspicious direction for a toilet per Vastu?

Vastu's traditional ideal for a toilet is NW, not East. The room remains habitable with simple window-design choices that neutralise the directional bias — see the recommendations on this page.

Why does Delhi's composite climate need clear glazing?

Delhi sits in the Composite climate zone (Hot summers, cold winters, monsoon — the climate where classical Vastu was calibrated.). For composite climates, clear glazing balances solar gain, heat retention, and visibility — Operable windows matter more than fixed ones. The same opening that bleeds heat in January welcomes it back in July.

Window Guide · Delhi

East-facing Toilet

East is not the traditional Vastu placement for a toilet, but the room remains usable. Window design + simple remedies neutralise the directional bias.

CompositeDelhiIndra · Vayu (Air)Vastu: avoid

The recommendation

Width

4.5'

~137 cm

Sill Height

2.5'

mid sill — measured from finished floor

Type

Sliding 2T

Glazing

clear

Single 6 mm

Overhang / chajja

Minimum projection above the window

WWR

15–20%

Total window-to-wall ratio for the room

These figures are advisory — drawn from IS 3792 (Composite zone) and Vastu Shastra teaching tradition. An architect should adapt them to your plot's exact bearing, plinth height and facade design.

Why this direction for a toilet?

Toilet windows are entirely about ventilation and a single shaft of light — small, high-sill, opaque or louvred glass for privacy. An exhaust fan + a small openable window is the standard, never just one or the other.

Indraइन्द्र

Sunrise direction. Social connections, energy, beginnings.

Vastu's ideal placement for a toilet is NW. East is outside the traditional band, though with simple remedies the room works well.

Why Delhi's climate matters

Delhi is in the Composite climate zone (Cwa, Cfa per the Köppen scale; Composite per NBC 2016). Summer temperatures: 35-48°C, winters: 2-15°C. Rainfall: 500-1200 mm/year. Humidity: 20-90% (seasonal).

Operable windows matter more than fixed ones. The same opening that bleeds heat in January welcomes it back in July.

For a east face in this climate, the recommendation is a sliding 2t window with clear glazing and a sill at 2.5' — calibrated for hot summers, cold winters, and seasonal monsoon.

Common mistakes

Clear glass at eye-level instead of frosted / louvred
Window opening onto the same shaft as the kitchen — odour transfer
No window at all — dependence on exhaust fan alone, which fails when power cuts
Treating East placement as a hard error — it's not. The room remains usable; a small Vastu remedy (heavy furniture on the NW wall, mirror placement away from the bed) handles the directional refinement.