Walter-Andre Destailleur is a French architect born in 1867 and died in 1940.

Wire of the architect Gabriel-Hippolyte Destailleur, he studies with the Art schools under the direction of Honore Daumet and Charles Girault. With died of his/her father, in 1893, it completes the majority of its building sites, gaining there its gallons of architect with tenacity and courage. Thanks to the recommendation of the empress Eugenie, it receives many aristocratic orders.

He works in particular for the countess of Béarn, Rue Saint-Dominique then, of 1896 with 1899, restores the Château of Champs-sur-Marne for Louis Cahen of Antwerp, revealing the decoration of antics in particular carried out by Christophe Huet.

Of 1898 with 1905, it builds the two hotels of the baron Roger, avenue of Alma (today Avenue George V) and street François Ier, the Wildenstein hotel, Rue Boétie, the hotel of Errazu, 1 rue Le Tasse (1903 - 1904). This last construction, from traditional style, admirably benefits from a broken piece and from difficult form, with a skill which falls under the great tradition of the 18th century, as the change of axis between the carriage door and the main courtyard and the hall and the large living room, made unperceivable by an oval hall of plan, with swerve on the side of the large main staircase, as with the Hôtel Matignon. After the First World War, Destailleur carried out some transformations in this building for the account of its new owner, Mr. Bessonneau.

At the same time, Destailleur restores the Hôtel of Crillon (1907), Place of the Harmony, the hotel of Ferronays, the castle of That-Saint-Cloud and the Palais of Haroué in Lorraine, property of the family Beauvau-Craon. It transforms the castle of Farnborough, around London, then is called by the pile cluster in Spain.

Towards 1907, it builds with Biarritz the Bégonia city for Marguerite Chaslon-Roussel, mother of the writer Raymond Roussel.

In the years 1910, it builds a hotel in Alexandria and gives the plans of a new district to the Cairo. Right before the First World War, it builds Avenue Foch, in the style Louis XVI, the hotel of the industrialist Louis Renault. In 1921, it is charged to restore and transform the hotel of Wagram, which occurred George V, in order to install the embassy of Spain there.