A 15×30 feet 1BHK (1 Bedroom Hall Kitchen) house plan typically involves a compact yet functional design, suitable for small families or individuals looking for an efficient living space. Here’s a general description of what such a plan might include:

1. Bedroom: The bedroom would likely occupy the larger portion of the space. It may be situated towards one end or corner of the house. The size of the bedroom would depend on personal preferences and available space but would typically be designed to accommodate a bed, wardrobe, and possibly a small study area or seating.
2. Living Hall: The living hall or area is usually located near the entrance or adjacent to the bedroom. It serves as a common space for relaxation, entertainment, and socializing. This area might include seating arrangements such as a sofa, chairs, and possibly a small coffee table.
3. Kitchen: The kitchen area is usually positioned either adjacent to or opposite the living hall. Given the limited space, it would be designed to be compact yet functional. It might feature essential amenities such as a stove, sink, countertop space, cabinets for storage, and possibly a small dining area or breakfast counter.
4. Bathroom: The bathroom would likely be situated near the bedroom or along one of the walls of the house. It would include standard fixtures such as a toilet, sink, and shower or bathtub, depending on personal preferences and available space
5. Natural Light and Ventilation: Maximizing natural light and ventilation is crucial in a compact living space. The house plan would likely include strategically placed windows, possibly supplemented by skylights or ventilation fans to ensure adequate airflow and brightness throughout the interior.
6. Efficient Design: Given the limited dimensions, the house plan would emphasize efficient use of space, with careful consideration given to layout, functionality, and aesthetic appeal. Open floor plans, multi-functional furniture, and clever storage solutions might be incorporated to optimize the available space.

Overall, a 15×30 feet 1BHK house plan would aim to provide a comfortable and functional living environment while making the most of the available space and resources. Specific details and features would vary based on individual requirements, preferences, and budget constraints.