What is the ideal window size for a south-east-facing bedroom in Bengaluru?

Vastu and temperate climate together suggest a window approximately 3.5 feet wide with a sill height of 3 feet on a south-east face for a bedroom in Bengaluru. Type: Sliding 2T. Glazing: clear.

Is South-East an auspicious direction for a bedroom per Vastu?

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

Why does Bengaluru's temperate climate need clear glazing?

Bengaluru sits in the Temperate climate zone (Mild year-round. The most forgiving zone — and the most often over-engineered.). For temperate climates, clear glazing balances solar gain, heat retention, and visibility — A Bangalore wall does not need to be a Jaipur wall. Most builders copy the same envelope anyway and the home pays the bill.

Window Guide · Bengaluru

South-East-facing Bedroom

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

TemperateKarnatakaAgni · Agni (Fire)Vastu: avoid

The recommendation

Width

3.5'

~107 cm

Sill Height

mid sill — measured from finished floor

Type

Sliding 2T

Glazing

clear

Single 6 mm

Overhang / chajja

2.5'

Minimum projection above the window

WWR

20–25%

Total window-to-wall ratio for the room

These figures are advisory — drawn from IS 3792 (Temperate 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 bedroom?

Like the master, secondary bedrooms need cross-ventilation, controlled light, and visual privacy. For children's rooms, a south-facing study desk under the window works well; for guests, a small mid-sill window is sufficient.

Agniअग्नि

The fire deity. Cooking, transformation, the hearth's natural home.

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

Why Bengaluru's climate matters

Bengaluru is in the Temperate climate zone (Cwb, Cfb per the Köppen scale; Temperate per NBC 2016). Summer temperatures: 25-35°C, winters: 12-22°C. Rainfall: 500-1500 mm/year. Humidity: 40-75%.

A Bangalore wall does not need to be a Jaipur wall. Most builders copy the same envelope anyway and the home pays the bill.

For a south-east face in this climate, the recommendation is a sliding 2t window with clear glazing and a sill at 3' — calibrated for mild year-round temperatures with comfortable airflow.

Common mistakes

Bunk beds beneath a low window — falls through glass risk
Bedroom window directly opening into a neighbour's kitchen view
Air-conditioner installed in the only ventilation window
Treating South-East 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.