Best kept in bright indirect light for strong and vibrant growth, Kentia palms can also manage with a somewhat shadier spot. Allow it to dry slightly between watering and avoid letting it stay soggy. Kentia palms can only tolerate full sun without scorching if situated far from the window source.
"Brown edges and tips?
Browning leaves on a Kentia Palm are usually caused by direct sunlight or overly dry air. Make sure your Kentia is getting nicely diffused light at most and isn’t near a radiator, fireplace or candle that could be causing the leaves to dry out."