Definitions for "House Style"
The style of preferred spelling, punctuation, hyphenation and indentation used in a publishing house or by a particular publication to ensure consistent typesetting.
The preferred style of presentation or layout by a publishing organization. In order to ensure consistency in typesetting, a publisher or publication may have guidelines concerning grammar, punctuation, hyphenation, indentation, and spelling, in addition to color, typography, and other graphic features. See also DOWN STYLE EDITING POLISH REWRITE STYLE
Style imposed by a journal on anything to be published. It will include things such as the typeface of headings, the format of references, the type of abstract used, conventions for abbreviations, etc.