Theresian numbering: why in Milan there are buildings with double numbers – News

In the center of Milan there are some buildings which have a particularity: at the front door they are equipped with two numbersone of which is composed of three or even four digits.

One might think that the two numbers are one of the street number and the other relating to the date of construction of the building. But is it really like that? The answer is no. Let's find out more.

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What is the double number of some buildings in Milan

As mentioned, in Milan, in more central areas there are a few buildings that they present two different numbers on the door. Although it may seem strange, it is two house numbers.

A of the two corresponds of course to the currently valid house number and used to identify a property. The other, it is rather a old house number which has remained marked despite urban changesthe different street names and the evolution of the city.

How house numbers were assigned under the Austrians

These are the old numbers assigned to palaces during Austrian rule. Such numbering he is also defined as a Teresianas it was established in the second half of the 18th century, at the time of Maria Theresa of Austria and her son, as well as his successor Joseph II.

It is precisely the latter commanded the Marquis Ferdinando Cusaniimperial chamberlain from 1758 and street judge from 1785, regulate city streets. The marquis had the names of the streets placed on each corner and, in fact, assigned the numbers of the houses.

There numberingin a completely different way from current criteria, it unfolded in a spiral, from the center outwards and towards the end of the citythen identified in the route in the Walls of Spain: number 1 corresponded to the Palais Royal.

From 1830, a vowel was added next to the house number. to better identify the buildings, also because they had increased with the expansion of the city. This system did not work and even generated confusion, e.g. after the unification of Italy, the current numbering was adopted.

Which buildings in Milan have a double number

Here are some examples of Teresian house numbers:

  • the famous House of Omenslocated via Omenoni 3, has the number 1722, which is often confused with the date of construction, which is also not true because the building dates from 1565;
  • Durini Palacelocated in via Durini 24, number 432;
  • In via Sant'Andreathere are several street numbers which have double digits, i.e. the current 8 (above the door is the number 828), 19 (808), 21 (406);
  • In via Borgospesso 18 the number 1307 is marked;
  • In via Bigli 11 the old 1236 is reported.

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