1 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 1 Field Squadron | Germany: | Feb 46 - Mar 48 | 7th Armoured Division | Disbanded |
| Malaya/Singapore | Sept 48 - May 49 | | Reformed |
| Hong Kong | May 49 - Feb 50 | Indep? | |
| Germany: Minden | Feb 50 - 1957 | 27 Field Engineer Regiment | |
| Germany: Alanbrooke Bks, Paderborn | 1957 - 1960 | 4 Div Engineers | Sup to 20 Armd Bde |
| Germany: Alanbrooke Bks, Paderborn | 1960 - 1962 | 1 Div Engineers | |
| Germany: Assaye Barracks, Neinburg | 1962 - Apr 69 | 1 Div Engineers | |
| Germany: Assaye Barracks, Neinburg | Apr 69 - 1978 | 21 Engineer Regiment | |
| Northern Ireland Tour: Long Kesh | 30 Apr 71 - 5 Aug 71 | 21 Engineer Regiment | Infantry role |
| Northern Ireland Tour: Ballykelly | 8 Nov 72 - 6 Mar 73 | | |
| Northern Ireland Tour: Long Kesh | 15 Dec 74 - 11 Apr 75 | 21 Engineer Regiment | Infantry role |
| Northern Ireland Tour: Londonderry | 25 Sept 76 - 29 Dec 76 | 21 Engineer Regiment | Infantry role |
| Northern Ireland Tour: Ballykelly | 23 Jun 78 - 25 Oct 78 | | |
| Germany: Assaye Barracks, Neinburg | 1978 - 1981 | 1 Armd Div Engr Regiment | |
| Germany: Assaye Barracks, Neinburg | 1981 - Jan 96 | 21 Engineer Regiment | |
| Gulf | 1990 | | Supporting 7 Armd Bde |
| Former Yugoslavia (Op Grapple) | | | |
| Former Yugoslavia (Op Grapple 2) | | | |
| Former Yugoslavia (Op Grapple 6) | | | |
| Germany: Quebec Barracks, Osnabruck | Jan 96 - 1999 | 21 Engineer Regiment | |
| Falkland Islands | 1997 - Sept 97 | | |
| Kosovo (Operation Agricola 1) | 1998 | | |
| Germany: Roberts Barracks, Osnabruck | 1999 - Apr 00 | 21 Engineer Regiment | |
| 1 Armoured Engineer Squadron | Germany: Roberts Barracks, Osnabruck | Apr 00 - Aug 08 | 21 Engineer Regiment | |
| England: Catterick | Aug 08 - | 21 Engineer Regiment | |
| | | | |
| 1 Fortress Squadron | Gibraltar | c1971 | | |
| | | | |
| | | | |
2 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
2 Field Company
| Germany: Iserlohn
| May 47 - Jul 48
| | Formed by retitling 244 Fd Coy |
| 2 Field Squadron | Germany: Iserlohn | Jul 48 - Jan 49 | | |
| Germany: Hameln | Jan 49 - Jul 50 | 23 Field Engineer Regiment | |
| Germany: Napier Bks, Dortmund | Jul 50 - May 58 | 23 Field Engineer Regiment | |
| Germany: Oxford Barracks, Munster | May 58 - Jul 64 | 2 Div Engineers | in support of 6 Inf Bde |
| 2 Armoured Engineer Squadron | Germany: Oxford Barracks, Munster | Jul 64 - Sep 64 | 2 Div Engineers | |
| Germany: Oxford Barracks, Munster | Sep 64 - Mar 65 | 32 Armoured Engineer Regiment | |
| Germany: Hohne | Mar 65 - Apr 69 | 32 Armoured Engineer Regiment | |
| Germany: Hohne? | Apr 69 - Nov 70 | 32 Engineer Regiment | |
| Germany: Iserlohn | Nov 70 - Apr 77 | HQRE 4 Div | |
| Northern Ireland Tour: Londonderry | 25 Sept 76 - 31 Dec 76 | 21 Engineer Regiment | Infantry role |
| 2 Field Support Squadron | Germany: Iserlohn | Apr 77 - Jan 78 | 26 Engineer Regiment | |
| Germany: Iserlohn
| Jan 78 - Jan 81
| 3 Armoured Division Engineer Regiment | |
| Northern Ireland Tour: Lurgan/HMP Maze/Portadown | 28 Mar 79 - 26 July 79
| 3 Armoured Division Engineer Regiment | Infantry role |
| Germany: Iserlohn | Jan 81 - 30 Sept 94 | 26 Engineer Regiment | |
| 2 HQ Squadron | Germany: Hohne | 30 Sept 94 - | 32 Engineer Regiment | |
| 2 HQ & Support Squadron | Germany: Hohne | c2007 | 32 Engineer Regiment | |
| | | | |
2 Strategic Reserve MC Sqn
| England: Marchwood
| 1 Apr 64 - 15 Jul 65
| | 15 Jul 65 became 50 MC Sqn RCT |
| | | | |
| | | | |
3 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 3 Field Squadron | Libya: Benghazi | 1951 | 22 Field Engineer Regiment | Formed |
| Egypt: Canal Zone | Oct 51 - Oct 54 | 22 Field Engineer Regiment | |
| Libya | Oct 54 - Jan 56 | 22 Field Engineer Regiment | |
| Cyprus | Jan 56 - Dec 57 | Independent | |
| Port Said | ?? | | |
| England: Chiseldon, near Swindon | Dec 57 - Apr 60 | 22 Field Engineer Regiment | |
| 3 Independent Field Squadron | England: Mooltan Barracks, Tidworth | Apr 60 - 1961 | HQRE 3 Div | sup to 19 Inf Bde Gp |
| Kenya: | 1961 | | on flood relief and roads |
| England: Mooltan Barracks, Tidworth | 1961 - Jun 65 | HQRE 3 Div | 1962 Became airportable |
| Aden | May to Oct 64 | | Radfan operations |
| 3 Field Squadron | England: Mooltan Barracks, Tidworth | Jun 65 - Sept 70 | HQRE 3 Div | |
| FARELF | Nov 65 - May 67 | | on temporary duty |
| Libya: Op Libretto
| Oct 67 - Mar 68
| | employed on camp construction for RAF El Adem |
| England: Mooltan Barracks, Tidworth | Sept 70 - Jan 75 | 22 Engineer Regiment | |
| Northern Ireland Tour: Antrim | 17 Aug 69 - 16 Jan 70 | | Two Tps |
| Northern Ireland Tour: Antrim | 11 May - 14 Sept 71 | | |
| Northern Ireland Tour: Antrim | 20 Nov 72 - 22 Mar 73 | | |
| Northern Ireland Tour: Castledillon | 10 June - 14 Oct 74 | | |
| England: Swinton Bks, Perham Down | Jan 1975 - 1993 | 22 Engineer Regiment | |
| Northern Ireland Tour: Castledillon | 9 June - 11 Oct 76 | | |
| Northern Ireland Tour: UUAC Strike | 2 May - 17 May 77 | | |
| Northern Ireland Tour: Castledillon | 11 Oct 78 - 8 Feb 79 | | |
| Northern Ireland Tour: Castledillon | 8 Mar - 22 July 81 | | |
| 3 Armoured Engineer Squadron | England: Swinton Bks, Perham Down | 1993 - | 22 Engineer Regiment | |
| England: Swinton Bks, Perham Down | c2007 | 22 Engineer Regiment | |
| | | | |
| | | | |
4 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 4 Field Squadron | Germany: Holzminden | 1949 - Oct 49 | 21 Field Engineer Regiment | |
| Germany: Hameln | Oct 49 - Nov 51 | 21 Field Engineer Regiment | |
| Germany: Assaye Barracks, Neinburg | Nov 51 - Sept 57 | 21 Field Engineer Regiment | |
| Germany: Assaye Barracks, Neinburg | Sept 57 - Jan 58 | HQRE 7 Div | Supporting 7 Armd Bde |
| Germany: Fallingbostel | Jan 58 - Apr 58 | HQRE 7 Div | Supporting 7 Armd Bde |
| Germany: Fallingbostel | Apr 58 - Jul 60 | HQRE 5 Div | Supporting 7 Armd Bde |
| Germany: Fallingbostel | Jul 60 - Jan 62 | 1 Div Engineers | Supporting 7 Armd Bde |
| Germany: Assaye Barracks, Neinburg | Jan 62 - April 69 | 1 Div Engineers | |
| Germany: Assaye Barracks, Neinburg | Apr 69 - 1978 | 21 Engineer Regiment | |
| Northern Ireland Tour: Long Kesh | 30 Apr - 5 Aug 71 | 21 Engineer Regiment | Infantry role |
| Northern Ireland Tour: Ballykelly | 4 July - 7 Nov 73 | | |
| Northern Ireland Tour: Kitchen Hill Factory, Lurgan | 15 Dec 74 - 11 Apr 75 | 21 Engineer Regiment | Infantry role |
| Northern Ireland Tour: Londonderry | 25 Sept - 29 Dec 76 | 21 Engineer Regiment | Infantry role |
| Germany: Assaye Barracks, Neinburg | Apr 78 - Jan 81 | 1 Armd Div Engr Regiment | |
| Northern Ireland Tour: | Apr - Jul 79 | 1 Armd Div Engr Regiment | |
| Germany: Assaye Barracks, Neinburg | Jan 81 - 1996 | 21 Engineer Regiment | |
| Gulf | Dec 90 - Mar 91 | 21 Engineer Regiment | |
| Belize | 1 Jun 93 - 22 Nov 93 | | |
| Germany: Quebec Barracks, Osnabruck | 1996 - Feb 00 | 21 Engineer Regiment | |
| 4 Armoured Engineer Squadron | Germany: Quebec Barracks, Osnabruck | Feb 00 - Aug 08 | 21 Engineer Regiment | |
| England: Catterick | Aug 08 - | 21 Engineer Regiment | |
| | | | |
| | | | |
5 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 5 Field Squadron | Dutch East Indies | May 47 - Aug 47 | | |
| Germany: Iserlohn | Aug 1947 - Jul 1948 | 2 Division | |
| Germany: Iserlohn | Jul 1948 - Jan 1949 | 23 Field Engineer Regiment | |
| Germany: Hameln | Jan 49 - Jul 50 | 23 Field Engineer Regiment | |
| Germany: Napier Bks, Dortmund | Jul 50 - May 58 | 23 Field Engineer Regiment | |
| Germany: Iserlohn | May 58 - Mar 60 | 4 Div Engineers | support of 5 Inf Bde |
| Germany: Alanbrooke Barracks, Paderborn | Mar 60 - Jan 64 | 4 Div Engineers | support of 5 Inf Bde |
| Germany: Alanbrooke Barracks, Paderborn | Jan 64 - Apr 69 | 4 Div Engineers | Sp to 20 Armd Bde |
| Germany: Alanbrooke Barracks, Paderborn | Apr 69 - Nov 70 | 26 Engineer Regiment | |
| Germany: Iserlohn | Nov 70 - Jan 78 | 26 Engineer Regiment | |
| Northern Ireland Tour: Long Kesh | 30 Apr - 5 Aug 71 | 21 Engineer Regiment | Infantry role |
| Northern Ireland Tour: Ballykelly and Long Kesh | 6 Mar - 6 July 73 | | |
| Northern Ireland Tour: Londonderry | 8 July - 8 Nov 74 | 26 Engineer Regiment | Infantry role |
| Germany: Iserlohn
| Jan 78 - Jan 81
| 3 Armoured Division Engineer Regiment | |
| Northern Ireland Tour: Lurgan/HMP Maze/Portadown | 28 Mar 79 - 26 Jul 79
| 3 Armoured Division Engineer Regiment | Infantry role
|
| Germany: Iserlohn | Jan 81 - May 93 | 26 Engineer Regiment | |
| England: Swinton Bks, Perham Down | May 93 - c2007 | 22 Engineer Regiment | |
| Bosnia: Gornji Vakuf | 8 Sep - 20 Dec 95 | | OP GRAPPLE 7 |
| Bosnia: Gornji Vakuf | 20 Dec - 15 Mar 96 | | OP RESOLUTE |
| Northern Ireland Tour: | Dec 97 - May 98 | | Infantry role |
| Bosnia | Mar - Sept 99 | 22 Engineer Regiment | |
| 5 Armoured Engineer Squadron | England: Swinton Bks, Perham Down | c2007 | 22 Engineer Regiment | |
| | | | |
| | | | |
6 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 6 Field Park Squadron | Palestine | 1945 - May 48 | | |
| Libya | May 48 - 1951 | 22 Field Engineer Regiment | |
| Egypt: Canal Zone | 1951 - Oct 54 | 22 Field Engineer Regiment | |
| Libya | Oct 54 - Dec 57 | 22 Field Engineer Regiment | |
| England: Chiseldon, near Swindon | Dec 57 - Mar 60 | 22 Field Engineer Regiment | |
| England: Chiseldon, near Swindon | Mar 60 - 1961 | HQRE 3 Div | |
| England: Mooltan Barracks, Tidworth | 1961 - Jan 68 | HQRE 3 Div | |
| Aden | Jul 64 - Apr 65 | | to construct Dhala Road |
| 6 Field Support Squadron | England: Mooltan Barracks, Tidworth | Jan 68 - Sept 70 | HQRE 3 Div | |
| 6 (Gulf) Support Squadron | Persian Gulf | Dec 69 - Sep 70 | | |
| 6 Field Support Squadron | England: Mooltan Barracks, Tidworth | Sept 70 - Jan 75 | 22 Engineer Regiment | |
| Northern Ireland Tour: | 30 July - 16 Sept 72 | | |
| England: Swinton Bks, Perham Down | Jan 75 - 1993 | 22 Engineer Regiment | |
| 6 HQ Squadron | England: Swinton Bks, Perham Down | 1993 - | 22 Engineer Regiment | |
| | | | |
| | | | |
7 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 7 Field Squadron | Germany: Hameln | July 49 - Dec 50 | 21 Field Engineer Regiment | Formed |
| Germany: Hameln | Dec 50 - Nov 57 | 26 Field Engineer Regiment | |
| Germany: Hameln | Nov 57 - ?? | HQRE 4 Div | |
| Germany: Roberts Barracks, Osnabruck | ?? - Apr 58 | HQRE 4 Div | In support of 12 Inf Bde |
| Germany: Roberts Barracks, Osnabruck | Apr 58 - July 60 | 5 Div Engineers | In support of 12 Inf Bde |
| Germany: Roberts Barracks, Osnabruck | July 60 - Jan 61 | 1 Div Engineers | In support of 12 Inf Bde |
| Germany: Roberts Barracks, Osnabruck | Jan 61 - Sept 67 | 2 Div Engineers | In support of 12 Inf Bde |
| Germany: Roberts Barracks, Osnabruck | Sept 67 - Feb 68 | 2 Div Engineers | In support of 6 Inf Bde |
| England: Deverell Barracks, Ripon | Feb 68 - April 69 | 2 Div Engineers | In support of 6 Inf Bde |
| England: Deverell Barracks, Ripon | April 69 - April 71 | 23 Engineer Regiment | In support of 6 Inf Bde |
| Germany: Hohne
| April 71 - Sept 77
| 32 Engineer Regiment
| In support of 7 Armd Bde |
| Northern Ireland Tour: Ballykelly | 10 July - 9 Nov 72 | | |
| Northern Ireland Tour: Long Kesh | 2 Jan - 3 May 74 | 32 Engineer Regiment | Infantry Role |
| Northern Ireland Tour: Londonderry | 9 Mar - 30 June 76 | 32 Engineer Regiment | Infantry Role |
| Germany: Assaye Barracks, Neinburg | Sept 77 - Apr 78 | 21 Engineer Regiment | |
| Germany: Assaye Barracks, Neinburg | Apr 78 - Jan 81 | 1 Armd Div Engr Regiment | |
| Northern Ireland Tour: Lurgan/HMP Maze/Portadown | 28 Mar - 26 July 79 | 1 Armd Div Engr Regiment | Infantry Role |
| Northern Ireland Tour: Ballykelly | 6 Nov 80 - 20 Mar 81 | | |
| Germany: Assaye Barracks, Neinburg | Jan 81 - 8 Sept 94 | 21 Engineer Regiment | |
| 7 HQ Squadron | Germany: Assaye Barracks, Neinburg | 8 Sept 94 - 1996 | 21 Engineer Regiment | |
| Germany: Quebec Barracks, Osnabruck | 1996 - Aug 2008 | 21 Engineer Regiment | |
| England: Catterick | Aug 2008 - | 21 Engineer Regiment | |
| | | | |
| | | | |
8 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 8 Field Squadron | Kenya | 1947 - 1948 | 34 Army Engineer Regiment | Formed: Disbanded: |
| | | | |
| 8 Railway Squadron | Germany: | 1945 - Dec 47 | | |
| England: Longmoor
| Dec 47 - Jul 65
| 16 Railway Training Regiment
| Disbanded. Rail duties taken over by RCT |
| | | | |
| 8 Field Squadron | England: Mooltan Barracks, Tidworth | Jul 67 - Sept 70 | 3 Div Engrs | Formed |
| Northern Ireland Tour: Antrim | 7 Jan - 13 May 70 | | |
| England: Mooltan Barracks, Tidworth | Sept 70 - Jan 75 | 22 Engineer Regiment | |
| Northern Ireland Tour: Lurgan | 15 Oct - 29 Nov 71 | | |
| Northern Ireland Tour: Antrim | 11 Jan - 29 Mar 72 | | |
| Northern Ireland Tour: Long Kesh | 17 July - 16 Sept 72 | | |
| Northern Ireland Tour: Antrim | 21 Nov 73 - 22 Mar 74 | | |
| England: Swinton Bks, Perham Down | Jan 75 - 1993 | 22 Engineer Regiment | |
| Northern Ireland Tour: Castledillon | 11 Oct 75 - 10 Feb 76 | | |
| Northern Ireland Tour: Castledillon | 14 June - 11 Oct 77 | | |
| Northern Ireland Tour: Castledillon | 8 June - 9 Oct 79 | | |
| Northern Ireland Tour: Castledillon | 6 Dec 81 - 20 Apr 82 | | |
| 8 Armoured Engineer Squadron | England: Swinton Bks, Perham Down | 1993 - 2000 | | |
| Northern Ireland Tour: Long Kesh | 10 Mar 95 – 13 Sep 95 | | Op Descant |
| 8 Armoured Engineer Squadron | England: Corunna Barracks, Ludgershall | 2000 - | 26 Engineer Regiment | |
| | | | |
| | | | |
9 Squadron |
| Unit Name | Location | Dates | Higher Formation | Notes |
| | | | |
| 9 Airborne Squadron | Palestine | Nov 45 - Jun 48 | 6 Airborne Division | |
| England: | Jun 48 - Jul 49 | | |
| 9 Independent Airborne Squadron | Germany: | Jul 49 - 1950 | 16 Independent Parachute Brigade | |
| England: Aldershot | 1950 - Jun 51 | 16 Independent Parachute Brigade | |
| Cyprus | Jun 51 - Oct 51 | | |
| Egypt | Oct 51 - Jun 54 | | |
| England: Aldershot | Jun 54 - May 56 | | |
| 9 Independent Parachute Field Squadron | England: Aldershot | May 56 - Aug 56 | | |
| Cyprus | Aug 56 - Dec 56 | | |
| Port Said on Suez operations, returning to Cyprus | Nov-56 | | |
| England: Aldershot | Dec 56 - 1958 | | |
| 9 Independent Parachute Squadron | England: Aldershot | 1958 - Jul 58 | | |
| Jordan | Jul 58 - Nov 58 | | for emergency |
| England: Gibraltar Bks, Cove | Nov 58 - Jul 61 | | |
| Kuwait | Jul 61 - Sept 61 | | for emergency |
| England: Gibraltar Bks, Cove | Sept 61 - 1962 | | |
| England: Aldershot | 1962 - Jan 63 | | |
| England: Haig Lines, Crookham | Jan 63 - Apr 77?? | | Rhine Bks, Aldershot c1974 ?? |
| Cyprus | Dec 63 - Apr 64 | | Sqn, less two Tps |
| Borneo | Jan 65 - Jul 65 | | Troop only |
| Borneo | Jan 65 - Aug 65 | | Troop only |
| Aden | Mar - Sept 65 | | HQ and Pk Tp only |
| Northern Ireland Tour: | 12 May 70 - 8 Sept 70 | | |
| Northern Ireland Tour: Antrim | 14 Sept 71 - 11 Jan 72 | | |
| Northern Ireland Tour: Antrim Bridging Camp | 22 Mar - 24 July 73 | | |
| Northern Ireland Tour: Castledillon | 12 Oct 74 - 14 Feb 75 | | |
| Northern Ireland: | Jan - Mar 76 | | Troop only |
| Northern Ireland Tour: Castledillon | 10 Oct 76 - 10 Feb 77 | | |
| 9 Parachute Squadron | England: Crookham | Apr 77 - Jan 2003 | 36 Engineer Regiment | |
| Northern Ireland Tour: Castledillon | 23 Oct 80 - 8 Mar 81 | | |
| Falkland Islands | May - Mid Aug 82 | 36 Engineer Regiment | |
| Rwanda | Oct - Dec 94 | | |
| Cyprus | Dec 94 - May 95 | | Nicosia with UNFICYP |
| Northern Ireland Tour: HMP Maze | Sep 95 - Mar 96 | | Op Descant |
| Bosnia: Gornji Vakuf | Sepr 98 - Mar 99 | | |
| Kosovo: Op Agricola | Jun - Jul 99 | | |
| Northern Ireland Tour: Op Descant | Apr - Oct 2000 | | |
| Macedonia: OP Bessemer | Aug - Nov 2001 | | |
| Afghanistan: Op Fingal | Dec 2001 - ?? | | |
| England: Aldershot
| Jan 2003 - 2006
| 23 Engineer Regiment (Air Assault) | |
| Iraq: Op Telic
| Jan – Jul 2003
| | in sp 16 Air Assault Brigade |
| England: Rock Barracks, Woodbridge
| 2006 -
| 23 Engineer Regiment (Air Assault) | |