The house originally sat on two lots, having a total area of 500 square metres (5,400 sq ft).

[1] Today, the house is a museum and community center showcasing items of the Katipunan, paintings, among others.

[4] Built in 1914, the house is typical of its period: in the lower storey, thin, narrow, brick walls pressed together by wooden studs; upstairs, rooms aired by large calados and shaded by sufficient media aguas.

[5] The lot measures 500 square meters and had two storeys, with wood and stone as primary construction materials.

Architect and scholar Rodrigo Perez III (also known as Dom Bernardo, OSB) says that in many Filipino houses whether in the Cordillera or in the lowland countryside, “space is surrounded by space.”[7] In a lecture at the Nakpil-Bautista house in 1999, he showed how Arellano’s creation manifests this idea.

On the tracery of the interior ransom walls are abstract interpretations of the kiyapo plant, which the Quiapo area is named after.

After the house was finished, Dr. Bautista designed new furniture with the same motifs and had them executed by his Pampango carpenter in residence.