| RHP3068/1-10 | Bound architectural plans sections and elevations of Debden Hall, Essex, England | Late 19th century |
| RHP6978 | Admiralty chart of coast from Outer Gabbard to Outer Dowsing | 1912 |
| RHP9740 | Ordnance Survey 1 inch map(in 4 sheets) of the County of Kent, with part of the county of Essex, being part of the General Survey of England and Wales | 1801 |
| RHP14602 | Map of the county of Essex: 1824, published in 1831 (Vignette of Audley End House near Saffron Walden) | 1824 |
| RHP20575 | Plan of the county of Essex, England | Early 19th century |
| RHP20576 | Plan of Weeley Barracks, Essex, England | 1810 |
| RHP20642 | Map (6 sheets) of the county of Essex: 1824, published in 1825. (Vignette of Audley End House) | 1824 |
| RHP38428 | Map of London showing electric railways in connection with Great Eastern Railway; on reverse, map of GER's Metropolitan Lines and connections. | 1923 |
| RHP43388 | Plan of army positions near Great Baddow. | [early 19th century] |
| RHP44276 | Ordnance Survey 1/2500 plan (Essex, sheet IX.14) marked round Debden Windmill to show [part of Debden Hall estate]. | 1897 |
| RHP44277 | Ordnance Survey 1/2500 plan (Essex, sheet IX.13) marked round Hanging Grove to show [part of Debden Hall estate]. | 1897 |
| RHP44278 | Ordnance Survey 1/2500 plan (Essex, sheet XIV.1) marked round Waldegraves to show [part of Debden Hall estate]. | 1897 |
| RHP44279 | Ordnance Survey 6 inch plan marked to show estate of Debden Hall. | 1898 |
| RHP47095 | Chart of the River Thames from Lambeth to Tilbury | [late 18th century] |
| RHP82267 | Admiralty chart of Thames Estuary from North Foreland to the Nore | 1932 |