This was involved with the following buildings or structures from the date specified (click on an item to view details): |
| Date started | Building name | Town, district or village | Island | City or county | Country | Notes |
| 1876 | Holy Trinity Episcopal Church | Stirling | | Stirlingshire | Scotland | As apprentice to Robert Rowand Anderson |
| 1876 | University of Edinburgh, Medical School and McEwan Hall | | | Edinburgh | Scotland | Medical School - as apprentice/assistant/chief assistant to Robert Rowand Anderson |
| 1877 | Central Station Hotel | | | Glasgow | Scotland | As apprentice/assistant to Robert Rowand Anderson |
| 1879 | Mount Stuart | Rothesay (near) | Bute | Bute | Scotland | Rebuilding - as apprentice/assistant/chief assistant to Robert Rowand Anderson |
| 1880 | Conservative Club | | | Edinburgh | Scotland | New building - as assistant to Robert Rowand Anderson |
| 1885 | Ballochmyle House | Mauchline | | Ayrshire | Scotland | Reconstruction and extension - as chief assistant to Wardrop, Anderson & Browne |
| 1885 | National Portrait Gallery and Museum of Antiquities | | | Edinburgh | Scotland | As chief assistant to Robert Rowand Anderson |
| 1885 | St James' Episcopal Church | Goldenacre | | Edinburgh | Scotland | As chief assistant to Robert Rowand Anderson |
| 1887 | University of Edinburgh, Medical School and McEwan Hall | | | Edinburgh | Scotland | McEwan Hall - as chief assistant to Robert Rowand Anderson |
| 1888 | Library for Solicitors to the Supreme Courts of Scotland | | | Edinburgh | Scotland | First premiated competition design (entered jointly with McArthy & Watson); James Bow Dunn received commission |
| 1889 | Dunblane Cathedral | Dunblane | | Perthshire | Scotland | Restoration - as chief assistant to Robert Rowand Anderson |
| 1889 | St Margaret's RC Memorial Church | Dunfermline | | Fife | Scotland | As chief assistant to Robert Rowand Anderson |
| 1890 | Holy Trinity Episcopal Church and hall | Dunfermline | | Fife | Scotland | As chief assistant to Robert Rowand Anderson |
| 1890 | King's College Chapel | | | Aberdeen | Scotland | Restoration - as chief assistant to Robert Rowand Anderson |
| 1890 | South Morningside Free Church | Morningside | | Edinburgh | Scotland | As chief assistant to Robert Rowand Anderson |
| 1891 | Ayr Public Library | Ayr | | Ayrshire | Scotland | Competition design - placed third: apparently initially placed first. Design prepared jointly with McArthy & Watson |
| 1891(?) | Baptist Church | Bunessan | Mull | Argyll | Scotland | In independent practice |
| 1891 | Ethie Castle | Forfar | | Angus | Scotland | Restoration and alterations - as chief assistant to Robert Rowand Anderson |
| 1891 | Fairhaven and Kingcraig | Colinton | | Edinburgh | Scotland | Perhaps as assistant in the office of Rowand Anderson - this is a HS attribution |
| 1891 | Ringlewood and Ledgrianach | Colinton | | Edinburgh | Scotland | As assistant to Anderson - HS attribution |
| 1892 | Charleton House | Montrose/Forfar | | Angus | Scotland | Rebuilding - as chief assistant to Robert Rowand Anderson |
| 1893 | Bardrochat | Colmonell | | Ayrshire | Scotland | Original house |
| 1895 | Glencoe House | Glencoe | | Inverness-shire | Scotland | As chief assistant to Robert Rowand Anderson |
| 1896 | Bothwell Parish Church and Hamilton Monument | Bothwell | | Lanarkshire | Scotland | Restoration - as chief assistant to Robert Rowand Anderson |
| 1897 | Pollokshaws Burgh Hall | Pollokshaws | | Glasgow | Scotland | As chief assistant to Robert Rowand Anderson |
| 1898 | Kylnadrochit Mansion | Tomintoul | | Banffshire | Scotland | |
| 1898 | Paisley Abbey | Paisley | | Renfrewshire | Scotland | Reconstruction of transepts - as chief assistant to Robert Rowand Anderson |
| 1899 | Inchinnan Parish Church | Inchinnan | | Renfrewshire | Scotland | As chief assistant to Robert Rowand Anderson |
| 1899 | Midlothian County Council Buildings | | | Edinburgh | Scotland | Placed third in competition (entered jointly with John Watson) |
| After 1899(?) | Strachur Parish Church | Strachur | | Argyll | Scotland | Unspecified work |
| 1900 | Hailes Estate feuing plan | | | Edinburgh | Scotland | Drawing is from 4 Hope Street at which address Watson was at this date |
| 1901 | Carnegie Free Library | Hawick | | Roxburghshire | Scotland | Competition design - not successful |
| 1901 | Coldstream Lodge | Merchiston | | Edinburgh | Scotland | |
| 1901 | London Road Fire Station | | | Manchester | England | Competition design - placed 2nd. He refers to the building as'chief fire station' but this is not used locally. |
| 1901 | St Serf's Church and hall | Goldenacre | | Edinburgh | Scotland | Appointed architect after competition - his alternative designs being placed 1st and 2nd. Also designed oak pulpit |
| 1902 | Carnegie Public Baths and gymnasium | Dunfermline | | Fife | Scotland | Unsuccessful competition design published - design in conjunction with T Hyslop Ure |
| 1907 | The Peace Palace | | | The Hague | Netherlands | Competition design |
| 1908 | Stirling Municipal Buildings | Stirling | | Stirlingshire | Scotland | Competition design - not successful |
| c. 1908 | Kirkwall Cathedral | Kirkwall | Mainland | Orkney | Scotland | Won competition for restoration and secured job - included new roof and furnishings |
| 1910 | St James Church | Portobello | | Edinburgh | Scotland | |
| After 1911(?) | Ballimore, Otter Ferry | Loch Fyne | | Argyll | Scotland | Unspecified work, in independent practice - possibly 1914 extension? |
| After 1911(?) | Conchra House | Kyle of Lochalsh | | Ross and Cromarty | Scotland | Alterations/additions? |
| Before 1911 | Castle Lachlan | By Lodh Fyne | | Argyll | Scotland | Unspecified work, in independent practice |
| Before 1911 | Falkirk Old Parish Church | Falkirk | | Stirlingshire | Scotland | Alterations - in independent practice |
| Before 1911 | Keavil House | Dunfermline | | Fife | Scotland | Unspecified work, in independent practice |
| Before 1911 | St Paul's Church of Scotland | Greenock | | Renfrewshire | Scotland | Unspecified work, in independent practice |
| 1912 | Eilean Donan Castle | Dornie | | Inverness-shire | Scotland | Reconstruction |
| 1919 | Knockdow House | Toward | | Argyll | Scotland | Alterations - new east wing and entrance |
| Before 1920(?) | St Fillan's Episcopal Church | Killin | | Perthshire | Scotland | Altar and reredos |
| 1938 | The Roan, cottage and garage | Melrose | | Roxburghshire | Scotland | |