| Unit | Location | Honorary Colonel |
|---|---|---|
| 1st London Royal Engineers (Volunteers) | Barnsbury Park, Islington | Robert Bouverie Mulliner |
| 1st Middlesex Royal Engineers (Volunteers) | Fulham Road | MacLeod of MacLeod |
| 2nd Tower Hamlets (East London) Royal Engineers (Volunteers) | Victoria Park Square | John Thomas North |
| The Engineer and Railway Volunteer Staff Corps | Great George Street Westminster | Sir William Montagu Scott McMurdo |
| 2nd Kent Volunteer Artillery, Eastern Division Royal Artillery | Plumstead | Edwin Hughes |
| 3rd Kent Volunteer Artillery (Royal Arsenal), Eastern Division Royal Artillery | Woolwich | General Sir John Miller Adye |
| 2nd Middlesex Volunteer Artillery, Eastern Division Royal Artillery | City Road | General Sir Edward Bruce Hamley |
| 3rd Middlesex Volunteer Artillery, Eastern Division Royal Artillery | Charing Cross | HRH George Duke of York |
| 1st London Volunteer Artillery, Eastern Division Royal Artillery | The Barbican | HH The Duke of Teck |
| 2nd Volunteer Battalion Queen's Own (Royal West Kent Regiment) (late 3rd Kent Volunteer Rifle Corps) | Blackheath | Vacant |
| 3rd Volunteer Battalion Queen's Own (Royal West Kent Regiment) (late 4th Kent Volunteer Rifle Corps) | Woolwich Arsenal | General Sir John Miller Adye |
| 1st London Volunteer Rifle Corps (City of London Rifle Brigade) | Finsbury Pavement | Duke of Cambridge |
| 2nd London Volunteer Rifle Corps | Holborn Circus | General Lord Roberts |
| 3rd London Volunteer Rifle Corps | Farringdon Street | Robert Peter Laurie |
| 1st Middlesex Volunteer Rifle Corps (Victoria and St George's) | Davies Street | Charles Washington Eves |
| 2nd Middlesex Volunteer Rifle Corps (South Middlesex) | Walham Green | Earl Cadogan |
| 3rd Middlesex Volunteer Rifle Corps | Hornsey | Josiah Wilkinson |
| 4th Middlesex (West London) Volunteer Rifle Corps | Kensington | Lord Chelmsford |
| 5th Middlesex (West Middlesex) Volunteer Rifle Corps | St John's Wood | Lieutenant-General William Gordon Cameron |
| 7th Middlesex (London Scottish) Volunteer Rifle Corps | Buckingham Gate | Earl of Wemyss |
| 2nd Volunteer Battalion, Middlesex Regiment (late 8th Middlesex Volunteer Rifle Corps) | Hounslow | vacant |
| 9th Middlesex Volunteer Rifle Corps Company-sized unit, attached to 12th Middlesex Volunteer Rifle Corps |
Harrow | None |
| 1st Volunteer Battalion, Royal Fusiliers (late 10th Middlesex Volunteer Rifle Corps) | Fitzroy Square | Sir Daniel Lysons (Constable of the Tower of London |
| 3rd Volunteer Battalion, Royal Fusiliers (late 11th Middlesex Volunteer Rifle Corps) | Hampstead Road | Sir William Thomas Charley |
| 12th Middlesex (Civil Service) Volunteer Rifle Corps | Somerset House | Albert Edward, Prince of Wales |
| 13th Middlesex (Queen's) Volunteer Rifle Corps | Westminster | Duke of Westminster |
| 14th Middlesex (Inns of Court) Volunteer Rifle Corps | Lincoln's Inn | Sir William Montagu Scott McMurdo |
| 15th Middlesex (The Customs and The Docks) Volunteer Rifle Corps | Custom House | Edmund Hegan Kennard |
| 16th Middlesex (London Irish) Volunteer Rifle Corps | King William Street | Duke of Connaught and Strathearn |
| 17th Middlesex Volunteer Rifle Corps | Camden Town | James Peters |
| 18th Middlesex Volunteer Rifle Corps | Paddington | Gordon Maynard Ives |
| 19th Middlesex (St Giles's and St George's Bloomsbury) Volunteer Rifle Corps | Bedford Square | Samuel Smith Crosland Richards |
| 20th Middlesex (Artist's) Volunteer Rifle Corps | Euston Road | Sir Frederic Leighton, Bt. |
| 21st (The Finsbury Rifle Volunteer Corps) Middlesex Volunteer Rifle Corps | Pentonville | Frederick Thomas Penton |
| 22nd Middlesex (Central London Rangers) Volunteer Rifle Corps | Gray's Inn | Lord Stratheden and Campbell |
| 2nd Volunteer Battalion, Royal Fusiliers (late 23rd Middlesex Volunteer Rifle Corps) | Great Smith Street, Westminster | Viscount Wolseley |
| 24th Middlesex (General Post Office) Volunteer Rifle Corps | General Post Office | Duke of Teck |
| 25th Middlesex (Bank of England) Volunteer Rifle Corps Company-sized unit, attached to 12th Middlesex Volunteer Rifle Corps |
Somerset House | None |
| 26th Middlesex (Cyclist) Volunteer Rifle Corps Company-sized unit, attached to 14th Middlesex Volunteer Rifle Corps |
Chelsea | None |
| 1st Surrey (South London) Volunteer Rifle Corps | Camberwell | Major-General Sir Francis Wallace Grenfell |
| 1st Volunteer Battalion Queen's (Royal West Surrey Regiment) (late 2nd Surrey Volunteer Rifle Corps) | Croydon | Viscount Oxenbridge |
| 2nd Volunteer Battalion East Surrey Regiment (late 3rd Surrey Volunteer Rifle Corps) | Wimbledon | Vacant |
| 3rd Volunteer Battalion Queen's (Royal West Surrey Regiment) (late 6th Surrey Volunteer Rifle Corps) | Bermondsey | Francis Culling Carr-Gomm |
| 4th Volunteer Battalion, East Surrey Regiment (late 7th Surrey Volunteer Rifle Corps) | Kennington | Sidney James Stern |
| 4th Volunteer Battalion Queen's (Royal West Surrey Regiment) (late 8th Surrey Volunteer Rifle Corps) | Lambeth | C Harding |
| 1st Tower Hamlets (The Tower Hamlets Rifle Volunteer Brigade) Volunteer Rifle Corps | City Road | Major-General George Hay Moncrieff |
| 2nd Tower Hamlets Volunteer Rifle Corps | Whitechapel Road | Sir Thomas Fowell Buxton, Bt. |
