| RHP10000/LK720 | Plans (3) of all the coal and mines of coal under the lands and estate of Douglas | 1938 |
| RHP10000/LK720/1 | Plan of all the coal and mines of coal under the lands and estate of Douglas | 1938 |
| RHP10000/LK720/2 | Plan of all the coal and mines of coal under the lands and estate of Douglas | 1938 |
| RHP10000/LK720/3 | Plan of all the coal and mines of coal under the lands and estate of Douglas | 1938 |
| RHP126224-126229 | Six drawings showing elevations, plans, sections and details for reconstruction of viaduct over River Clyde at Lamington, (London Midland and Scottish Railway) | 1936 |
| RHP126325-126326 | Two hand coloured drawings showing elevations, plan, sections and details for strengthening viaduct over River Clyde at Lamington (Caledonian Railway) | 1914 |
| RHP14735 | Plan of property at Cowgill to be acquired from Lord Lamington for Airdrie and Coatbridge water works: [1891] | 1891 |
| RHP14736 | Architectural plan, elevation and section of proposed alterations to dairy byre, boiler-house and milkhouse at Lamington Mains: [20th century] | 20th century |
| RHP19115 | Plans, sections, elevations and details (3) of bridge over the River Clyde of Lamington (Caledonian Railway). | 1863 |
| RHP22043 | Photostat copy of plan of farms of Wandel and Woodend on the Douglas Estates, Lanarkshire | c 1890 |
| RHP31645 | Architectural plan of house of Wandel Mill, Lanarkshire | [19th century] |
| RHP40302 | 1. Bound plans and section of proposed reservoir at Cowgill (Airdrie and Coatbridge Water works). 2. Book of reference 3-4. Duplicates of nos 1-2 | 1898 |
| RHP41490 | Plans, elevations, sections and details (4 drawings stitched together) for renewal of Clyde Bridge near Lamington (Caledonian Railway) | 2 February 1865 |
| RHP43538 | 1. Bound plan and sections of reservoir for Airdrie and Coatbridge Waterworks at Cowgill. 2. Book of reference 3-4. Duplicates of nos. 1-2 | 1897 |
| RHP76666 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.NW) marked to show farm boundaries | [1944-1945] |
| RHP76667 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.NE) coloured and marked to show types of farming and farm boundaries | [1944-1945] |
| RHP76668 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.SW) marked to show farm boundaries | [1944-1945] |
| RHP76669 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.SE) coloured and marked to show types of farming and farm boundaries | [1944-1945] |
| RHP76671 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIV.NW) coloured and marked to show type of farming and farm boundaries | [1944-1945] |
| RHP76741 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XXXIX.NE) marked to show farm boundaries | [1944-1945] |
| RHP76742 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XXXIX.SW) marked to show farm boundaries | [1944-1945] |
| RHP76743 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XXXIX.SE) marked to show farm boundaries | [1944-1945] |
| RHP76745 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XL.SW) coloured and marked to show types of farming and farm boundaries | [1944-1945] |
| RHP82157 | Photocopy of plan of Lamington and Lamington Mains showing names of proprietors | 1828 |
| RHP88085 | Plan and sections of line in connection with boundary wall at 62 milepost near Wandelmill Signal Box (London Midland and Scottish Railway) | 29 May 1947 |
| RHP97126 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XXXIX.NE) coloured to show classification of land | [1944-1954] |
| RHP97127 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XXXIX.SW) coloured to show classification of land | [1944-1954] |
| RHP97128 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XXXIX.SE) coloured to show classification of land | [1944-1954] |
| RHP97130 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XL.SW) coloured to show classification of land | [1944-1954] |
| RHP97139 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.NW) coloured to show classification of land | [1944-1954] |
| RHP97140 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.SW) coloured to show classification of land | [1944-1954] |
| RHP97141 | Ordnance Survey 6 inch plan (Lanarkshire, sheet XLIII.SE) coloured to show classification of land | [1944-1954] |
| RHP126223 | Hand coloured contract drawing showing plan at Lamington for reconstruction of viaduct over River Clyde (London Midland and Scottish Railway): 1936 annotated with the signatories to the contract June 1936 | 1936 |
| RHP126324 | Hand coloured drawing showing plan and sections for diversion of road at Lamington (Caledonian Railway) | 1864 |