Lighting Design Essentials for Every Home

Lighting design is the planning of natural and artificial light so a home is comfortable, functional and attractive at every hour. Good residential lighting combines three layers, ambient, task and accent, with the right colour temperature (usually 2700-4000K), adequate brightness measured in lux, and controls such as dimmers and separate switching for each layer.

What are the three layers of lighting?

Every well-lit room uses three layers of light that work together. Relying on a single ceiling fixture is the most common lighting mistake we see in Indian homes, because it produces flat light and harsh shadows.

• Ambient lighting provides overall illumination, through cove lights, recessed downlights or ceiling fixtures.
• Task lighting supports specific activities such as cooking, reading, grooming and working.
• Accent lighting highlights artwork, textured walls, shelves or plants, and adds depth and mood.

We recommend wiring each layer on a separate circuit so the mood of a room can change from bright and practical to soft and relaxed.

Which colour temperature should you choose for each room?

Colour temperature, measured in Kelvin (K), describes how warm or cool white light appears. Lower values like 2700K look warm and yellowish, similar to incandescent bulbs, while higher values like 5000-6500K look cool and bluish, similar to daylight.

Many Indian homes still default to cool white 6500K tube lights, which feel clinical in living areas. Our general recommendations are:

• Living room: 2700-3000K for a warm, relaxed feel.
• Bedroom: 2700K, with dimmable fixtures for evening use.
• Kitchen: 3000-4000K, so food colours look natural and work surfaces are clearly lit.
• Bathroom: 3000-4000K at the mirror for accurate grooming.
• Home office or study: 4000K for alertness during working hours.
• Puja room: 2700K warm light, which complements brass, flowers and diyas.

Keep colour temperature consistent within a single space. Mixing 3000K and 6500K fixtures in the same room is one of the quickest ways to make it look disjointed. Also check the Colour Rendering Index (CRI); a CRI of 90 or above shows skin tones, fabrics and wood finishes accurately.

How much light does each room need?

Lighting levels are measured in lux, which is lumens per square metre. Different activities need different amounts of light, and the following ranges are typical guidance for homes:

• Living room ambient: about 100-200 lux, with brighter task light for reading.
• Kitchen counters: about 300-500 lux.
• Reading and study desks: about 300-500 lux.
• Bathroom vanity: about 300-500 lux, lit from the front or sides rather than directly above.
• Corridors and staircases: about 100 lux, with step or night lights for safety.

To estimate how many fixtures you need, multiply the room area in square metres by the target lux to get the total lumens required. A 12 sq m bedroom at 150 lux needs about 1,800 lumens of ambient light, which might be four or five downlights of around 400-450 lumens each.

Light the walls and the ceiling, not just the floor, and a room immediately feels larger and calmer. – Shivani Kadoo

— Shivani Kadoo

Where should lights be placed in each room?

Placement determines whether light helps or creates glare. In kitchens, under-cabinet LED strips placed toward the front edge of the upper units light the counter without shadows from your own body. Pendants over a dining table should hang roughly 700-800 mm above the tabletop.

Recessed downlights work best set about 600-900 mm from walls so they wash the wall surface rather than leaving dark edges. In bedrooms, avoid placing a downlight directly over the bed, where it shines into your eyes; use bedside wall lights or pendants instead. For bathrooms in India, choose fixtures with an appropriate IP rating, such as IP44 or higher, near showers and basins.

How can lighting be energy efficient?

LED lighting uses far less electricity than incandescent or CFL lamps and lasts much longer, which makes it the default choice for new Indian homes. Look for BEE star-rated products where available, and choose reputable brands with stated lumen output, CRI and warranty.

Daylight remains the most efficient light source of all. Light-coloured walls and ceilings reflect more of it deeper into rooms, and motion sensors in corridors, stairs and storage areas reduce waste. Dimmers and smart controls add flexibility and can further cut consumption.

Plan lighting early, ideally before false ceilings, electrical conduits and furniture layouts are finalised. Retrofitting cove lights or moving downlights after the ceiling is built is expensive and messy. We recommend marking every fixture, switch and socket on a furnished floor plan, deciding which lights share a switch, and adding two-way switches at both ends of corridors and staircases. Check that dimmers are compatible with the chosen LED drivers, because mismatched combinations can flicker or hum.

In short: key takeaways

• Use three layers, ambient, task and accent, on separate circuits.
• Choose 2700-3000K for living and sleeping spaces and 3000-4000K for work areas.
• Pick LEDs with CRI 90 or above for accurate colours.
• Plan lux levels by activity: about 300-500 lux for kitchens and desks.
• Place fixtures to avoid glare, and use IP-rated fittings in wet areas.