Headquarters TA - Royal Engineers
| Date | Unit | Sub-units |
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| . | HEADQUARTERS - TERRITORIAL ARMY | . |
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| . | 20 Engineer Group | . |
| 1947 | Formed in Scottish Command (HQ at Renfrew) | . |
| . | Controlled 102 Construction and 126 Army Engineer Regiments | 102 and 126 Regiments |
| . | 1950: Disbanded | . |
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| . | 21 Engineer Group | . |
| 1947 | Formed in Northern Command (HQ at Sheffield) | . |
| . | Controlled 118 Construction and 129 Field Engineer Regiments | 118 and 129 Regiments |
| . | 1950: Disbanded | . |
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| . | 22 Engineer Group | . |
| 1947 | Formed in Northern Command (HQ at Gateshead) | 104, 105 and 132 Regiments |
| . | Controlled 104 Army Engineer, 105 Construction and 132 Field Engineer Regiments | 104, 105 and 132 Regiments |
| . | 1950: 104 Army Engineer Regiment amalgamated into 105 Construction RegimentÃÂÃÂ | 105 and 132 Regiments |
| . | 1957: 132 Field Engineer Regiment redesignated as 132 Corps Engineer Regiment | 105 and 132 Regiments |
| . | 1961: HQ relocated to Nottingham | . |
| . | 1 Apr 1967: Disbanded | . |
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| . | 23 Engineer Group | . |
| 1947 | Formed by 1948 in Western Command (HQ at Hereford) | . |
| . | Controlled Royal Monmouthshire RE, 109, 112 and 127 Construction Regiments and 125 Army Engineer Regiment | Royal Monmouthshire RE, 109, 112, 127 and 125 Regiments |
| . | 1951: 112 Construction Regiment disbandedÃÂÃÂ | Royal Monmouthshire RE, 109, 127 and 125 Regiments |
| . | 1 Apr 1967: Disbanded | . |
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| . | 24 Engineer Group | . |
| 1947 | Formed by 1948 in Western Command (HQ at Liverpool) | . |
| . | Controlled 113 Assault Regiment RE, 128 Field Engineer Regiment, 130 Construction Regiment, and 133 Construction Regiment | 113 Asslt, 128 Fd, 130 & 133 Cons Regiments |
| . | 128 Field Engineer and 130 Construction Regiments disbanded 1949 | 113 Asslt & 133 Cons Regiments |
| . | 133 Construction Regiment disbanded 1950 | 113 Asslt Regiment |
| . | 1956: 113 Engineer Assault Regiment redesignated as 113 Engineer Regiment; it was reduced to a single squadron in 1961 | 113 Engineer Regiment |
| . | 1 Apr 1967: Disbanded | . |
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| . | 25 Engineer Group | . |
| 1947 | Formed by 1948 in Eastern Command (HQ at Colchester) | . |
| . | Controlled 120 Construction Regiment, 122 Field Engineer Regiment, and 134 Construction Regiment | 120, 122 & 134 Regiments |
| . | 1950: 120 Construction Regiment disbanded | 122 & 134 Regiments |
| . | Group disbanded by 1957 when designation transferred to the AER | . |
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| . | 26 Engineer Group | . |
| 1947 | Formed by 1948 in Southern Command (HQ at Salisbury). | . |
| . | Controlled 111 Field Engineer, 115 Construction and 116 Army Engineer Regiments | 111, 115 & 116 Regiments |
| . | 1950: 116 Army Engineer Regiment disbanded | 111 & 115 Regiments |
| . | 1951: 111 Field Engineer Regiment disbanded | 115 Regiment |
| . | 1 Apr 1967: Disbanded | . |
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| . | 27 Engineer Group | . |
| 1947 | Formed by 1948 in London District (HQ at Chelsea). | . |
| . | Controlled 114 Army Engineer Regiment and 121 Construction Regiment | 114 & 121 Regiments |
| . | 1 Apr 1967: Disbanded | . |
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| . | 28 Engineer Group | . |
| 1961 | Formed (HQ at Gateshead) by redesignation of 2 Port Task Force RE | . |
| . | 1 Apr 1967: Disbanded | . |
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| . | 29 Engineer Group | . |
| 1961 | Formed (HQ at Glasgow) by redesignation of 4 Port Task Force RE | . |
| . | 1 Apr 1967: Probably continued as 29 Engineer Brigade | . |
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| . | 264 (Scottish) Beach Brigade | . |
| 1947 | Formed | . |
| . | 124 Field Engineer Regiment assigned 1947-1950. Any other assigned units unknown. | 124 Regiment |
| . | 1956: 80 Port Regiment RE assigned brigade | 80 Regiment |
| . | 1957: Redesignated as 4 Port Task Force RE | . |
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| . | 1 Port Task Force RE | . |
| 1957 | Formed | . |
| . | Any assigned units unknown | . |
| . | 1961: Disbanded | . |
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| . | 2 Port Task Force RE | . |
| 1957 | Formed | . |
| . | Any assigned units unknown | . |
| . | 1961: Redesignated as 28 Engineer Group | . |
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| . | 3 Port Task Force RE | . |
| 1957 | Formed | . |
| . | Any assigned units unknown | . |
| . | 1961: Disbanded | . |
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| . | 4 Port Task Force RE | . |
| 1957 | Formed from 264 (Scottish) Beach Brigade | . |
| . | Any assigned units unknown | . |
| . | 1961: Redesignated as 29 Engineer Group | . |
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| . | HEADQUARTERS-ARMY EMERGENCY RESERVE | . |
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| . | 25 Engineer Group | . |
| 1957 | Formed [number previously used in the TA] | . |
| . | control of 116 Army Engineer, 139 Plant Park and 251 Construction Regiments and 570 Army Park Sqn RE. | 116, 139, 251 & 570 Sqns |
| . | 1961: Disbanded | . |
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| . | 17 Railway Group | . |
| 1957 | Formed by re-organisation of 18, 19 & 60 Railway Groups | . |
| . | Controlled 18, 19 & 60 Railway Regiments | . |
| . | 1965: Transferred to RCT | . |
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| . | 18 Railway Group | . |
| 1947 | Formed with 151 Rly Maint, 152 Rly Traffic, 154 Loco Running and 158 Rly Svy Sqns RE | . |
| . | Redesignated 1957 as 18 Railway Regiment RE | 154 & 156 Rly Sqns |
| . | 1961: Reduced to HQ Sqn and 151 Railway Sqn RE. | . |
| . | 1965: Transferred to RCT | . |
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| . | 19 Railway Group | . |
| 1947 | Formed with 150 Rly Maint, 153 Rly Traffic, 157 Loco Running and 159 Rly Svy Sqns RE | . |
| . | 1957: Redesignated as 19 Railway Regiment RE | 150 & 153 Rly Sqns |
| . | 1965: Transferred to RCT | . |
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| . | 60 Railway Group | . |
| 1947 | Formed | . |
| . | (Squadrons assigned, if any, unknown.) | . |
| . | 1957: Redesignated as 60 Railway Regiment RE | 152 & 155 Rly Sqns |
| . | 1965: Transferred to RCT | . |
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