| Image | Address | Architect | Date | Notes | References |
| Three Rivers District |
| Moor Park (WD3, HA6) |
 | 6 Temple Gardens, Rickmansworth, WD3 1QJ | Connell, Ward, Lucas | 1937 | for H Tanburn, Listed Building. | MHE p138; IoE: 158880 |
| House in Russell Rd, Northwood, HA6 | Walter Menteth Architects | | Proposal for redevelopment of house, including extensive basement, nr junction with Thornhill Rd, Moor Park Estate. | 'Architecture Today', no.176, March 07, p.33. |
| Hertsmere Borough |
| Radlett (WD7) |
| 29a Loom Lane, RADLETT, WD7 8AB | George Marsh | 1964 | Hyperbolic paraboloid roof. For the architect (who worked for Seifert and Partners). Listed. | EH p292. IoE 472983 |
| Welwyn Hatfield Borough |
| Hatfield |
| House in Wilkins Green Lane, Hatfield, AL10 9RT | FRS Yorke | | In Ellenbrook, west of Hatfield. Referred to as'Torilla', Nast Hyde. Well preserved. Listed. | MHE p106; IoE 158473. |
| The Ryde, Hatfield, AL9 5DL | Phippen Randall Parkes | 1963 | Terrace of courtyard houses. Listed. | JP p139: EH p312: Nos. 23-41 (Odd): IoE 471983; Nos.43-67 (Odd): IoE 471984; Nos. 69, 71-79 (Odd): IoE 471985; | |
| Northaw, (EN6) |
| Drop House, 42 Firs Wood Close, Northaw, EN6 4BY | Hudson - Featherstone Associates | 2000 | A cut-away white box. | |
| Welwyn |
| House at The Green, WELWYN, AL6 9EA | Peter Brattle of Baldwin Brattle Connelly Partnership | 1979 | At the far end of the road on the right. | |
| Dacorum Borough |
| Aldbury |
| Woodlands, Beechwood Drive, Aldbury, Tring, Herts HP23 5SB | Atelier MLM | | House with timber balconies and yellow blinds. | |
| Berkhamsted (HP4) |
| Headlands House, Byways, Gravel Path, Berkhamsted, Herts HP4 2PJ | Kirkland Fraser Moore | | Unusual organic design for Martin Warner. | |
| Ringshall |
| Blue Cottage, Ringshall, Near Berkhamsted, Herts HP4 1ND | Louis Moore | 1930's | For commediennes Elsie and Doris Waters. | |
| East Hertfordshire District |
| Wadesmill |
| Oldfield, Cambridge Road, Wadesmill, WARE SG12 0TT | Clarke Kidwell Architects | 2006 | House and stables grouped around courtyard and set into the hillside. For Catherine Archer. | |