An oak decoration is a decoration that is built into the wall in the Combat Room or Dining Room. It is used for decoration, and the appearance of the oak decoration is based on a player's family crest, if the player has one. If the player has no family crest, then the oak decoration will appear in red. It requires level 16 Construction and 2 oak planks, earning the player 120 experience.

v • d • e Dining Room
Tables	Wooden • Oak • Carved oak • Teak • Carved teak • Mahogany • Opulent
Fireplaces	Clay • Stone • Marble
Benches	Wood • Oak • Carved oak • Teak • Carved teak • Mahogany • Gilded
Decorations	Oak • Teak • Gilded
Bell-pulls	Rope • Ordinary • Posh
Curtains	Torn • Ordinary • Opulent

v • d • e Combat Room
Decorations	Oak decoration • Teak decoration • Gilded decoration
Combat rings	Boxing ring • Fencing ring • Combat ring • Ranging pedestals • Balance beam
Storage	Glove rack • Weapons rack • Extra weapons rack

v • d • e Throne Room
Thrones	Oak throne • Teak throne • Mahogany throne • Gilded throne • Skeleton throne • Crystal throne • Demonic throne
Levers	Oak lever • Teak lever • Mahogany lever
Floors	Floor decoration • Steel cage • Trapdoor (POH) • Lesser magic cage • Greater magic cage
Trapdoors	Oak trapdoor • Teak trapdoor • Mahogany Trapdoor
Seating	Carved teak bench • Mahogany bench • Gilded bench
Decorations	Oak decoration • Teak decoration • Gilded decoration • Round shield • Square shield • Kite shield