What is the ideal window size for a south-facing dining room in Lucknow?

Vastu and composite climate together suggest a window approximately 3 feet wide with a sill height of 3.5 feet on a south face for a dining room in Lucknow. Type: Fixed + Vent (top hopper). Glazing: clear.

Is South an auspicious direction for a dining room per Vastu?

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

Why does Lucknow's composite climate need clear glazing?

Lucknow 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 · Lucknow

South-facing Dining Room

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

CompositeUttar PradeshYama · Agni (Fire)Vastu: avoid

The recommendation

Width

~91 cm

Sill Height

3.5'

high sill — measured from finished floor

Type

Fixed + Vent (top hopper)

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 dining room?

Dining-room windows want soft, even light during meal times (especially evening) and connection to the kitchen-side air for serving comfort. A west-facing window with light afternoon shade is the classic choice — it catches the soft golden hour during dinner.

Yamaयम

Discipline, storage, mass. The heaviest face — anchor with weight, not lightness.

Vastu's ideal placement for a dining room is W. South is outside the traditional band, though with simple remedies the room works well.

Why Lucknow's climate matters

Lucknow 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 south face in this climate, the recommendation is a fixed + vent (top hopper) window with clear glazing and a sill at 3.5' — calibrated for hot summers, cold winters, and seasonal monsoon.

Common mistakes

Mirror directly opposite the dining table reflecting food / diners
Sliding doors instead of windows — diners feel exposed during meals
Diners face the glare of an unshaded west window during evening meals
Treating South placement as a hard error — it's not. The room remains usable; a small Vastu remedy (heavy furniture on the W wall, mirror placement away from the bed) handles the directional refinement.