A triplex house is a home built over three levels. This 30×40 triplex in Bangalore has parking and a lobby at the entry level, reached by both a staircase and a lift, with living, dining, bedrooms and a terrace garden above. Below are the rooms, the elevation features and the design reasons behind each choice.
Last updated: October 2026
| Space | Design idea |
|---|---|
| Parking | Two cars, small lobby, lift and staircase access, 2-foot setback |
| Living area | Reception and family space |
| Kitchen | Open kitchen to make the home look bigger |
| Dining | Semi-partition wall, balcony French door for sunlight |
| Puja room | White finish with decorative wooden panelling |
| Master bedroom | Window opening to a balcony |
| Guest bedroom | Queen bed, linear wardrobe and small study unit |
| Kid's bedroom | Study unit and bay window seat |
| Terrace garden | Wooden pergola, lighting and outdoor seating |
This 30×40 modern triplex house is designed with the client’s needs and the needs of their expanding family in mind.
| Feature | Duplex | Triplex |
|---|---|---|
| Floors | Two levels | Three levels |
| Footprint | Larger footprint for the same area | Smaller footprint, more height |
| Vertical movement | Staircase | Staircase, often with a lift |
| Best for | Wider plots | Narrow or compact plots such as 30x40 |
For a two-floor example, see our duplex house design and the minimalistic duplex.
Modern Triplex House Design:
The client wanted a house to live in with his family. They requested a modern appearance and comfortable living in a modern house . The exterior and interior were designed with the help of 3d visualization. This house is comfortable and has a modern appearance. This is a 30×40 house design which is one of the most popular house plans. Clients enjoy living in these houses because it looks spacious. Lots of glass, steel, and concrete are used in these Modern house plans. The elevation appears to be dramatic from the streets. A repetitive pattern of vertical slats gives a sleek modern look and stylish appeal to the space and teams up nicely with other façade elements like the wood and stone cladding, glass railings, huge windows, and wall paint.
30x40 triplex floor plan
Add the Design Thoughts floor-wise drawings here: ground floor, first floor, second floor and terrace. Alt text for each: 30×40 triplex house design ground floor plan, and so on for each level. State which rooms sit on which floor under each drawing.
Why LED Lighting?
We are living in a sustainable society; the use of renewable energy has been on the rise for the past few years. The use of solar energy is one of the most common uses of renewable energy, there have been a lot of houses built with this feature. The house is sustainable as we provided large windows, LED lighting, Terrace gardens, more open spaces etc. are all taken into account. This portfolio is all about the spatial relationship between the different spaces the client requested for this modern triplex house design with LED lights.
Parking:
The parking space has been designed as per the requirement of the client. The parking space with a small lobby is accessible through the staircase as well as the lifts. There is enough space for two cars to park. The parking spaces are spacious and well-lit. The 2-feet setback is given as a part of the regulation, where the landscaping can be made by the owner of the house. The setback is given in a way to avoid the natural barriers of the house and to make it more functional.
Living Area:
The living room practically is the reception area for welcoming guests or visitors and it can also be a family space. The living room is where social interaction happens in the typical home. It is a multipurpose space that can be used for TV watching, skating, family time, socialising, or just relaxing while taking advantage of the fun fireplace entertainment system.
Kitchen Design Idea:
Having an open kitchen design in your home can be a great idea. It will allow your guests to see what is going on and make them feel more connected to the home and cooking. Open kitchen designs are becoming more popular in 30×40 house designs and it makes the home look bigger.
Dining Design Idea:
The dining room is known as the second most important room in the house to most homeowners. A dining room is a place where family and guests can come together to enjoy a good meal. It is a place to have a meal, have a conversation and have a nice time. In this open floor concept, the dining area gives the symbolic border between the food preparation zone and the rest of the daily living space. The semi-partition wall allows maximum sunlight to enter through the French door of the balcony.
Puja Room Design:
In India, the puja room is in a recess of the house and is always known as the sacred room. It is painted in white colour with decorative wooden panelling. The architect employs light and space to create an ambience of peace, serenity, and devotion. A pooja room always gives a calming and peaceful vibe to the devotee.
Guest Bedroom Design:
A spacious bedroom accommodating a queen size bed with a linear stretch wardrobe to one end of the bedroom and a small study unit. This bedroom will be used for sleeping and study purposes for the clients. The large window has been provided for natural light and extra ventilation. The vibrant and lively room can be used for various activities like reading, watching television, and talking with friends.
Master Bedroom Design:
The ability to create a link between indoors and outdoors can be achieved in the home. A bedroom with a window that opens to a balcony is a most sought-after feature. It’s an undeniable luxurious feature to have, and it’s an upgrade for anyone’s bedroom. The view that comes with an outdoor space is a bonus for those who love to wake up with the sun, or just want to come home and relax after a long day.
Kid’s Bedroom Design:
The kid’s bedroom is provided with a large space which can be designed with a queen size bed and wardrobe attached to a study unit. The study unit with storage space, a chair and a desk which is providing useful space to keep the books and study materials. This bedroom’s design incorporates a large bay window with seating that looks out onto the street. The use of white adds to the ambience of the room. Most of the stuff has been kept in beige and brown which has brought an artistic touch to the bedroom.
Terrace Garden:
Terrace gardens are a great way to add greenery and utilize unused spaces. They can be created on the rooftop of your home, balcony, or on the terrace creating a wonderful space to relax, unwind and rejuvenate. Terraced gardens involve minimal maintenance and offer many benefits. Beautifully decked with a wooden pergola and lighting, is a perfect space for an entertaining ambience. The large patio with outdoor seating creates a semi-shading effect, from the sunlight.
Modern House Design Elevation Features:
- The slits make us more sensitive to light. Light through the slits varies its appearance momentarily according to weather, season, and time.
- Thin slits which turn into a skylight, allow in threads of light that create distinct lines on the floor and add a warm ambience to the space.
- Angled projection gives good framing for the structure and adds a dimensional view.
- This also acts as a chajja projection for the window and balcony.
- The pergola partially extends over the outdoor area to the terrace, establishing a balanced style and ensuring a strong connection between the indoor and outdoor spaces.
- Planters provide a defined area for planting, allowing for easy maintenance.
- When used as a façade element, it helps in cooling the building too.
- Repetitive vertical and horizontal slats are used in this modern elevation for a sleek and clean look.
Conclusion:
Architecturally, a house is a building that functions as a home for a family, but it is more than that. Houses are a representation of the people who live in them. It communicates who you are to the world and reflects your tastes, preferences, and style. Home is a sanctuary where one can relax, unwind, and rediscover themselves after a hard day. The architectural design of this modern house is planned to be unique and attracts attention. Aesthetically, it is very pleasing to the eyes. The use of clean lines, large windows and an open floor plan invite the outside in and promote an airy atmosphere. This 30×40 house design is the epitome of sustainability. If you want more information on how to make your home more sustainable through just planning, please contact Design Thoughts Architects. We would love to help you out by building your dream home.
Triplex house design FAQs
A triplex house is a home built over three levels. On a compact plot it uses height instead of ground area, usually with a staircase and often a lift.
Yes. This project fits parking for two cars, living, dining, kitchen, puja room, three bedrooms and a terrace garden on a 30×40 plot.
A duplex has two levels and a triplex has three. A triplex keeps the footprint small and adds more floor area by building up.
Not always, but the parking level here is reached by both a staircase and a lift, which makes the upper floors easier to use for the whole family.
Vertical and horizontal slats give a clean modern look and help cool the building. The pergola links the terrace to the outdoor area.
Planning a triplex home in Bangalore? Talk to our architects in Bangalore about your plot.
