| PUGIN | Augustus _, 19th-century architect; designer of much of the interior of the Palace of Westminster (5) |
| BURTON | Decimus ___, 19th-century architect who designed buildings at Kew Gardens and London Zoo (6) |
| BARRY | Architect who designed Highclere Castle while he was also working on restoring the Palace of Westminster (5) |
| GNOME | Name one of the species of diminutive beings said to inhabit the interior of the earth (5) |
| PERRONET | Jean-Rodolphe ?, 18th-century French architect; designer of the Pont de la Concorde across the River Seine in Paris (8) |
| VICENZA | This Italian city is famous as the home of the 16th-century architect Andrea Palladio and his successor Vincenzo Scamozzi. Some of the most notable Palladian structures there are the Basilica (1549-16 |
| EATON | -----Hall, the Cheshire country seat of the Dukes of Westminster (5) |
| DYAK | A member of the Malaysian people of the interior of Borneo noted for their long houses (4) |
| LORDS | They're entitled to be windbags in the nobler chamber of Westminster. (5) |
| THORNHILL | Artist who painted the interior of the cupola of St Paul's Cathedral, the Painted Hall at Greenwich Hospital and Blenheim Palace's Great Hall ceiling (9) |
| PIANO | Renzo ___, Italian architect; designer of The Shard in London (5) |
| PAXTON | Joseph _, English architect, designer of the Crystal Palace, finished in 1851 (6) |
| UTZON | Jorn -, Danish architect; designer of the Sydney Opera House (5) |
| NASH | Surname of the architect, designer of Regent Street Marble Arch etc (4) |
| GEOTHERMAL | Of or relating to the heat in the interior of the Earth (10) |
| ROGERS | British architect; designer of the Lloyd's Building and Millennium Dome in London (7,6) |
| RICHARD | British architect; designer of the Lloyd's Building and Millennium Dome in London (7,6) |
| TOWER | Building to the west end of Westminster (5) |
| ASL | Form of much of the dialogue of 2021's "CODA," in brief |
| UTAH | Setting of much of the first Sherlock Holmes tale, "A Study in Scarlet" |
