According to known history, Kadayanickadu was once part of Thekkumkoor kingdom, and was under the control of two Madampaies (Local lords as representatives of the king for the maintenance of low and order as also tax collection) Ranni Kartha and Agasthanathu Nair.

Thekkumkoor was conquered and annexed to Venad by Marthanda Varma towards the end of 18th century. The Madampaies were removed from the posts. The king of Venad brought his own loyal people from Ayroor. The family name was Chelampanethu. A woman from the said family was brought in marriage to Madhavakottu family at Kangazha. The progeny of that women were made the landlords. The entire land from the precincts of Nedumkunnam to Chirakkadavu extending for about 20km was under their control.

This family was later divided in to three branches or Tharavadus. Kangazha area came under the control of Eranattu or Erattu and Kadayanickadu under Thayyil. A prominent Karnavar of Thayyil Tharavadu is remembered even today as Samprathipillai. Samprathi means a palace head clerk or Kottaram Kariyakar. This post ceased to exist with Monroe reforms, and this Karanavar would have lived at least 200 years back.

It was Samprathipillai who rebuilt the present Thayyil Tharavadu buildings. Architecturally the present Thayyil Tharavadu building is a Nelpura-Paddy house. The whole structure measuring 40 X 25 feet is made of wood with fireproof brick and lime mortar covering on the top. There is a vast underground Nilavara. The cells and inner cells are constructed in such away as to store paddy produced in the vast stretch of lands owned by the family. The capacity of the inside cells is said to be 36000 paras of paddy.

This Tharavadu is an ekasala (single structure in Kerala architectural terminology) facing north, on the southern side of the courtyard. This eksala consists of three rooms connected to a front passage. The central room is used as prayer room and grain store and the two side rooms are used as living rooms. This store room is called Ara. Ara means an enclosed storage area or an in-house granary to stock un-husked rice for home consumption. The entire structure of Ara including the floor is in wood. The building is extended horizontally on all the four sides adding alindams or side rooms for activities such as cooking, dining, additional sleeping rooms, front hall for receiving guests etc. By such extension the building is much larger than a nalukettu in space, but it still categorized as ekasala with reference to its core unit.

Structurally the roof frame of this Tharavad is supported on the pillars on walls erected on a plinth raised from the ground for protection against dampness and insects in the tropical climate. Walls are made of timbers abundantly available at that time. One can see the striking similarity of this form with the temple structure. The traditional craftsman, specially carpenters, preserved the knowledge by rigidly following the canonical rules of proportions of different elements while designing this house.

With the development of tile industry in Mangalore in 1850's, this Tharavad in this remote village also got a face lift as its tatched roof was replaced with flat Mangalore tiles. The tiles used for the roof of the Tharavad were from one Alburqueque & Co., Mangalore and dates back to 1865. The family still preserves antique items like swords, kolthazhus, rasi palaka (a wooden board with small niches used to count small coins) etc. proclaiming the story of a glorious past.

The architecture of this Taravad needs a careful study for its unique fire protection system. The upper portion of the building is supported on the pillars, making it a separate structure. There is a gap of almost 6 inches between the lower roof of the main building with the upper structure. The roof below is covered with wood which again wrapped with flat laterite sheets joined together with lime powder plaster all over. In short, if a wild fire engulfs the roof, the structure below remains unaffected, protecting the life of its inhabitants.

Another important feature of the Taravadu is the exquisite wood work of the ceiling and the walls. The ceiling work includes a grid of wooden joints well proportioned and precision moulded with beautifully carved panels.

The house has recently renovated without spoiling its original woodcarvings and architectural beauty.