adjoin alcove antechamber anteroom apartment block apse arcade art gallery atrium attic auditorium awning back door back-to-back bailey balcony balustrade banister barn basilica bastion bay window block brownstone building bungalow bunkhouse byre cabin campanile canteen carport casement castle ceiling cellar centre chalet chamber chancel changing room chateau chimney chimney breast chimney pot chimney stack cladding clerk of works cloakroom cloister clubhouse coatroom cocktail lounge colonnade column common room complex compound concourse condominium conservatory convent coping cornerstone corn exchange corridor cottage country house country seat courthouse cowshed dado dance hall detached door doorpost dormer edifice entry entryway estate estate agent extension eyrie facade fallout shelter family room farmhouse fire door fire escape fire station fitment fixture flatlet flight floor folly forecourt fort fortress foyer frontage front room funeral home gable gabled gargoyle grandstand grange granny flat grille ground floor guardhouse guesthouse guildhall gutter guttering gym gymnasium habitation hall hallway hatch hatchway hayloft health centre high-rise hospice hospital laboratory landing leaded lights lean-to ledge lightning conductor lintel lobby lodge loft log cabin lounge louvre maisonette mezzanine milking parlour moving staircase mullion nave niche oast house obelisk office building oratory outbuilding outhouse overhang parapet party wall pediment penthouse peristyle picture window pilaster pillar pinnacle platform plumber plumbing podium point Portakabin potting shed presbytery press gallery privy public convenience pyramid rafter rail rampart ribbon development rotunda sanctuary schoolhouse science park sepulchre service charge shack shed shop front skylight skyscraper sliding door smokestack smoking room spiral staircase spire sports centre stack stadium stair staircase stairway stairwell stall stately home stateroom station steeple step stonework stoop storeroom storm cellar story studio tenement tepee terrace theatre toilet tool shed tower block town hall townhouse transept transom trapdoor treasury turret vault vaulted vaulting ventilator vestibule villa walkway wall watchtower water tower weatherboard wedding chapel wing woodshed workhouse workroom workshop