It was constructed with yellow brick with red brick decoration and limestone dressings, and has a pantile hipped roof.
From the en.wikipedia.org
In his painting, he shows how the hills and hollows enfold the warm red-brick-and-pantile villages, giving the ones off the main roads a snug, secure atmosphere.
From the guardian.co.uk
For years, I had an image of Lisbon as a raffish warren of cobbled streets, and red pantile roofs crowding down to the river, the haunt of poets, beautiful women and dodgy characters with beards.