
Bihar aur UP mein sabse common plot size hai 30x40. Ismein 3 bedroom, hall, kitchen aur parking — sab kaise aata hai, poora layout samjhiye.
30x40 Mein Kitna Area Milta Hai
30x40 feet ka plot yaani 1,200 sq.ft. Lekin poora plot cover nahin kar sakte — setback (chhutti jagah) chhodna padta hai. Aam taur par front mein 5-7 feet, peeche 3-4 feet aur ek side 3 feet chhodne ke baad built-up area lagbhag 850-950 sq.ft. bachta hai per floor.
Isi wajah se 30x40 par comfortable 3BHK ground floor par mushkil hai — lekin G+1 (do floor) mein aaram se aa jaata hai.
Practical Layout — Ground Floor
Ground floor par rakhein: car porch (front setback mein hi), drawing/living room, ek bedroom attached toilet ke saath, kitchen with utility, aur staircase. Guest ya elderly members ke liye ground floor wala bedroom sabse useful rehta hai.
Staircase hamesha side wall ke saath rakhein, beech mein nahin — isse dono floors par usable space kaafi badh jaata hai.
First Floor Aur Light-Ventilation
First floor par do bedrooms (ek master with attached toilet), ek common toilet, aur ek family lounge ya balcony aa jaata hai. Chahein to ek bedroom ko study/office bana sakte hain.
30x40 mein sabse badi galti hoti hai beech ke kamre andhere reh jaana. Iska solution hai ek chhota internal courtyard ya light shaft (4x4 feet bhi kaafi hai) jo dono floors ko cross-ventilation aur natural light deta hai.
Approximate Cost
G+1 par total built-up lagbhag 1,700-1,900 sq.ft. banta hai. Bihar mein normal finishing par yeh lagbhag ₹23-31 lakh aur premium finishing par ₹31-45 lakh tak ja sakta hai.
Yeh sirf indicative range hai — actual cost plot ki soil condition, floor height aur finishing choices par depend karti hai.



