The basic premise that benefics give good results holds as usual but these houses can give results with natural malefics too.

55. They do not get bogged down easily which is a quality required for becoming an IAS. These house are (3,6,10 and 11). Upachaya Houses improve with time. Mars, the karaka (significator) of the 3rd house is "one who vitalises the planted seeds" as it's written in his mantra in Brihat Parashara Hora Shastra: Sloka. The 3rd house also rules the ears, arms, hands and nervous systems. Sun, Mars, Saturn, Rahu or Ketu placed here under aspects of benefics can grant fortunate results in the material plane. They get better with time.

Upachaya houses are 3rd, 6th, 10th, and 11th… Upachaya houses are the house which improve its results over the time. They get better with time. Can someone generally tell me what an Upachaya Lord in an Upachaya house would represent? Unfavourable Houses: If a planet is lord of the 3rd., 6th., 8th., 11th or 12th house, it will represent negative energy. The malefic planets placed here (specially on 3,6 and 11) are a great help to overcome all sort of difficulties in life. One thing to remember here is that it is one of Upachaya Houses, i.e. Eminent profesors of Astrology say that the 3rd, 11th, 6th and the 10 th houses are Upachaya (signs of increase or growth) houses. The term on the Upachaya houses is not out of place here. The 6th house in astrology represents illnesses, diseases, obstacles , enemies, court cases, loans and debts, competition , conflicts, animals , health and vitality, daily routine , maternal uncle and maternal relatives, divorce etc. Things that we like to do, that we like to see grow and get better, the 3rd house is also called an Upachaya house which means that it gets better with time. The 6th house grows and gets better with time.
Upachaya: Couldn't have been any better - See 378 traveler reviews, 247 candid photos, and great deals for Roatan, Honduras, at Tripadvisor. The Kama houses show the drives of the person, showing one's efforts, aspirations, goals and interaction with others for the fulfilment of the same but the key word is desire. Upachaya houses are the house which improve its results over the time.

Also, all the malefic planets provide very good results in Upachaya Houses but results may be seen in 30s. Weak sun & Lagna lord can make a person introvert & shy. The association of upachaya 3 and 11 houses with each other or with the 10th have been found giving unprecedented rise to a person on the material plane. 6th house is also known as a "upachaya" house , which means growth. Saturn in the 2nd house – In the second house Saturn separates the native from their family at an early age, gives a drive to succeed financially, but at the same time restricts the relationship with the mother, and gives delay in getting a car and house.
They are 3, 6, 10, 11 houses. Upachaya Houses - Houses # 3, 6, 10 and 11 are known as Upachaya houses, means they improve with time and start giving good results after the age of 35 years.