Traditional Azorean Architecture

Traditional Azorean architecture is the vernacular expression of the settlement of the nine islands of the Azores, begun in the fifteenth century. It was born from the meeting between the building models brought from the Portuguese mainland — above all from the north, but also from the Algarve and the Alentejo — and the very particular conditions of a volcanic archipelago beaten by the Atlantic. The result is a coherent set of solutions marked by sobriety, by functionality and by an unmistakable chromatic contrast between the white of the lime and the black of the stone.

Stone, lime and the roof

The material par excellence is basalt, abundant and easily extracted thanks to the volcanic origin of the soil. Employed in masonry walls, quoins, door and window surrounds, thresholds and pavements, it defines the austere character of the buildings. Where the rock was worked as exposed ashlar, it stood out against the whitewashed surfaces; in other cases, ignimbrite and trachyte were used, being softer and easier to carve. The roofs, with two or four slopes, were covered with reddish-toned ceramic tiles, indispensable for draining off the frequent and abundant rains.

The typical rural dwelling is compact and with reduced openings, designed to withstand the Atlantic winds and to retain warmth in winter without overheating in summer. On many islands it is laid out over two storeys, with the ground floor reserved for storage and animals and the upper floor for domestic life. Robust cylindrical chimneys and dark-stone gateways complete a vocabulary that shares its roots with the vernacular architecture of the whole national territory, but which here acquires an identity of its own.

In few built landscapes is the geological material so visible: in the Azores, the volcanic history of the islands can be read literally in the walls of the houses.

The empires and the architecture of the Holy Spirit

Among the most singular elements of the archipelago are the empires, small chapels associated with the Feasts of the Divine Holy Spirit. Of rectangular plan, they present a façade with a central door and two windows, crowned by an imperial coronet, and serve as the stage for the ritual distributions of bread and meat. Their form varies greatly from island to island — from simple porches behind the churches, in Santa Maria, to profusely ornamented and coloured aediculae, on Terceira. The spread of empires in permanent masonry dates above all from the second half of the nineteenth century, largely financed by money sent by emigrants in Brazil and California.

Alongside the empires, churches, convents, manor houses and public buildings share the same grammar of dark stone and white lime, to which was added, in some cases, the polychromy of the façades and the decorative richness imported from the Atlantic routes.

Town, country and engines

The finest urban testimony of this tradition is found in the Historic Centre of Angra do Heroísmo, listed by UNESCO in 1983, where the regular layout, the paved streets and the ashlar ensembles reveal the maturity of Azorean building culture. In the rural territory, the windmills — conical towers of dark stone with a rotating wooden cap, erected above all in the eighteenth and nineteenth centuries — harnessed the constant winds of the ocean and became a hallmark of islands such as Corvo and Santa Maria.

This island architecture dialogues with that of the other Atlantic archipelago, traditional Madeiran architecture, sharing with it the ingenious adaptation to a difficult environment. Set within the broader panorama of the heritage of the Azores, it constitutes one of the most authentic and recognisable typologies of Portuguese popular building.