7.
a. In plural (formerly also occasionally in singular). The parts of a house, or buildings attached to a house, specially devoted to household work or service, or to storage, etc.; esp. the kitchen and rooms connected with it, as pantry, scullery, cellars, laundry, etc.; (also) the stables, outhouses, barns, and cowsheds of a farm.
[c1395 G. Chaucer Clerk's Tale 264 Al the paleys put was in array..Houses of office stuffed with plentee.]
a1422 Petition (P.R.O.) 117. 5842 (MED) Abbeyes, Priories, hospitals, chaunteries and chappels, chaces, parkes, offices, milnes, weres, [etc.].
1454 in H. Nicolas Proc. & Ordinances Privy Council (1837) VI. 227 (MED) Thoffice of þe spicery, v persones.
▸ c1475 in Coll. Ordinances Royal Househ. (Harl. 642) (1790) 75 (MED) Office of sellar within the Kinges household hath a sergeaunt that shall receive all the wynes.
1548 Hall's Vnion: Henry VIII f. lxxiiij Pitcher house, Larder and Poultrie, and all other offices large and faire.
1662 B. Gerbier Brief Disc. Princ. Building 36 The Kitchin or other Offices and Selleridge.
1717 in F. W. Steer Farm & Cottage Inventories Mid-Essex 1635–1749 (1969) 246 The brewhouse—The office & utensills, £7.55.
1734 in C. R. Lounsbury Illustr. Gloss. Early Southern Archit. & Landscape (1994) 245 Four rooms on a floor... Very good underground Offices and Pump.
1798 T. Jones Memoirs (1951) 41 [The] Coachman had a little Office..in which he had a Store of Oats for his Horses & Wine..for his Passengers.
1799 J. Robertson Gen. View Agric. Perth 52 The offices are also improved..forming generally a square behind the dwelling-house, with the dunghill or straw-yard in the center.
1838 T. Carlyle Coll. Lett. (1985) X. 23 The house with garden, offices, woods, the cow-park.
1846 C. G. F. Gore Sketches Eng. Char. I. 128 As he passed by the areas of the fashionable squares, and imbibed the aroma of stews and ragoûts issuing from the offices.
1881 J. Russell Haigs of Bemersyde Introd. 7 The usual outbuildings and Offices which such fortified places contained.
1897 G. Patterson Notes Dial. People Newfoundland 203 A large house or habitation, but including all its appurtenances, as offices, courtyards, etc.
1957 E. E. Evans Irish Folk Ways (1967) viii. 112 Only in planted areas does one find old examples of planned ‘courtyard farms’ where the house and offices enclose a square or rectangular yard.
1990 Country Life 24 May 2 (advt.) 4 reception rooms, kitchen and domestic offices, 7 bedrooms, 2 dressing rooms, 4 bathrooms.