| Balloon Squadron | Formed | Formed At | Disbanded | Disbanded At | Notes | Fate |
| No. 901 (County of London) Balloon Squadron AAF | 16 May 1938 | | | | 5 Flights of 9 balloons Woolwich, Abbey Wood, Kidbrooke | |
| No. 902 (County of London) Balloon Squadron AAF | 16 May 1938 | | | | 5 Flights of 9 balloons Kidbrooke, Brixton | |
| No. 903 (County of London) Balloon Squadron AAF | 16 May 1938 | | 1944 | | 5 Flights of 9 balloons. Amalgamated with 902 Sqn.Brixton / Forest Hill | |
| No. 904 (County of Surrey) Balloon Squadron AAF | 16 May 1938 | | | | 5 Flights of 9 balloons Clapham | |
| No. 905 (County of Surrey) Balloon Squadron AAF | 16 May 1938 | | 1944 | | 5 Flights of 9 balloons. Amalgamated with 901 Sqn Kensington, Clapham | |
| No. 906 (County of Middlesex) Balloon Squadron AAF | 7 Jul 1938 | | | | 5 Flights of 9 balloons Hampstead, Kensington | |
| No. 907 (County of Middlesex) Balloon Squadron AAF | 16 May 1938 | | | | 5 Flights of 9 balloons Harringay / Woodberry Down | |
| No. 908 (County of Essex) Balloon Squadron AAF | 5 Jul 1938 | | | | 5 Flights of 9 balloons Wanstead, Harringay | |
| No. 909 (County of Essex) Balloon Squadron AAF | 16 May 1938 | | | | 5 Flights of 9 balloons West Ham, East Ham | |
| No. 910 (County of Essex) Balloon Squadron AAF | 5 Jul 1938 | | | | 5 Flights of 9 balloons, (3 Water-borne (Aug 1940)) Dagenham, East Ham. | |
| No. 911 (County of Warwick) Balloon Squadron AAF | Jan 1939 | | | | 4 Flights of 8 balloons (48 balloons in Aug 1940) West Bromwich, Chelmsford, Erdington (Dec 1943). | |
| No. 912 (County of Warwick) Balloon Squadron AAF | 23 Jan 1939 - | Birmingham | 12 July 1944 | Brockworth | Squadron HQ Aug 1939 No 5 Balloon Centre, Sutton Coldfield, Operated in Bolougne with 2 flights 15/2/1940 to 23/5/1940 on evacuation based at Cardington and moved to Brockworth, Gloucester on 26/4/1940 with 3 flights flying 24 balloons from 30 June 1940. On disbandment replaced by 912 Squadron Care and Maintenance Party | |
| No. 913 (County of Warwick) Balloon Squadron AAF | Jan 1939 - | | | | 3 Flights of 8 balloons Erdington / Sutton Coldfield, Chelmsford | |
| No. 914 (County of Warwick) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 4 Flights of 8 balloons (40 balloons in Aug 1940) Wythall / Northfield. | |
| No. 915 (County of Warwick) Balloon Squadron AAF | Jan 1939 | | | | 4 Flights of 8 balloons (40 balloons in Aug 1940) Bourneville / Rowkeath, Chelmsford. | |
| No. 916 (County of Warwick) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 3 Flights of 8 balloons (32 balloons in Aug 1940) Coventry Reformed for Anti-'Diver' duties | |
| No. 917 (County of Warwick) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 3 Flights of 8 balloons Coventry | |
| No. 918 (County of Derby) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 3 Flights of 8 balloons ( 32 balloons in Aug 1940) Derby / Alveston. | |
| No. 919 (West Lancashire) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 4 Flights of 8 balloons. (52 balloons (12 Water-borne) in Aug 1940) Birkenhead. | |
| No. 920 Balloon Squadron AAF | Jan 1939 | | Dec 1943 | | 4 Flights of 8 balloons (A & B Flights later 12 balloons each, C & D retained 8 each) Derry | |
| No. 921 (West Lancashire) Balloon Squadron AAF | Jan 1939 | | 20 Feb 1943 | | 3 Flights of 8 balloons (48 balloons in Aug 1940) Liverpool / Fazakerley. | |
| No. 922 (West Lancashire) Balloon Squadron AAF | Jan 1939 | | Dec 1943 | | 4 Flights of 8 balloons Warrington / Curerdley | |
| No. 923 (West Lancashire) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 4 Flights of 8 balloons Runcorn / Birkenhead Reformed for Anti-'Diver' duties | |
| No. 924 Balloon Squadron AAF | Jan 1939 | | | | 4 Flights of 8 balloons (24 balloons in Aug 1940) Southampton / Eastleigh. | |
| No. 925 (East Lancashire) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 3 Flights of 8 balloons (40 balloons in Aug 1940) Manchester | |
| No. 926 (East Lancashire) Balloon Squadron AAF | | | Jun 1944 | | 3 Flights of 8 balloons (40 balloons in Aug 1940) Bowlee / Manchester | |
| No. 927 (County of Gloucester) Balloon Squadron AAF | Jan 1939 | | | | 3 Flights of 8 balloons (32 balloons in Aug 1940) Bristol. | |
| No. 928 Balloon Squadron AAF | Jan 1939 | | | | 3 Flights of 8 balloons (10 Water-borne Aug 1940) Felixstowe / Harwich | |
| No. 929 Balloon Squadron AAF | Jan 1939 | | | | 3 Flights of 8 balloons (7 Water-borne Aug 1940) South Queensferry | |
| No. 930 (Hampshire) Balloon Squadron AAF | Jan 1939 | | Dec 1943 | | 3 Flights of 8 balloons (50 balloons (10 Water-borne ) in Aug 1940) Southampton. | |
| No. 931 (Hampshire) Balloon Squadron AAF | Jan 1939 | | Dec 1943 | | 3 Flights of 8 balloons | |
| No. 932 (Hampshire) Balloon Squadron AAF | Jan 1939 | | | | 4 Flights of 8 balloons (32 balloons in Aug 1940) Portsmouth | |
| No. 933 (Hampshire) Balloon Squadron AAF | Jan 1939 | | | | 3 Flights of 8 balloons Portsmouth / Gosport | |
| No. 934 (County of Devon) Balloon Squadron AAF | Jan 1939 | | | | 5 Flights of 8 balloons (24 balloons in Aug 1940) Plymouth. | |
| No. 935 (County of Glamorgan) Balloon Squadron AAF | Jan 1939 | | | | 2 Flights of 8 balloons (24 balloons in Aug 1940) Plymouth/Filton. | |
| No. 936 (County of Northumberland) Balloon Squadron AAF | 20 Feb 1939 | | 4 Jun 1943 | | 4 Flights of 8 balloons (4 Water-borne Aug 1940) Newcastle upon Tyne Amalgamated with No 937 on 4 Jun 1943 | |
| No. 937 (County of Northumberland) Balloon Squadron AAF | 20 Feb 1939 | | 4 Jun 1943 | | 4 Flights of 8 balloons (40 balloons (3 Water-borne) in Aug 1940) Newcastle upon Tyne Amalgamated with No 936 on 4 Jun 1943 | |
| No. 936/937 Balloon Squadron AAF | 4 Jun 1943 | | 1 Dec 1944 | | | |
| No. 938 (County of Northumberland) Balloon Squadron AAF | 20 Feb 1939 | | 1 Dec 1944 | | 3 Flights of 8 balloons (48 balloons in Aug 1940) Stockton on Tees / Billingham | |
| No. 939 (West Riding) Balloon Squadron AAF | Jan 1939 | | | | 3 Flights of 8 balloons Sheffield | |
| No. 940 (West Riding) Balloon Squadron AAF | | | Jun 1944 | | Sheffield 3 Flights of 8 balloons | |
| No. 941 (West Riding) Balloon Squadron AAF | Jan 1939 | | | | 3 Flights of 8 balloons (40 balloons in Aug 1940) Sheffield / Sunderland (May 1943) Amalgamated with 939 due to lack of volunteers | |
| No. 942 (East Riding) Balloon Squadron AAF | 25 Jan 1939 | | 1 Jan 1942 | | 3 Flights of 8 balloons 42 balloons (24 Water-borne) in Aug 1940 RAF Sutton on Hull Amalgamated with 943 - 1 Jan 1942 | |
| No. 943 (East Riding) Balloon Squadron AAF | 25 Jan 1939 | | 1 Jan 1942 | | 3 Flights of 8 balloons (32 balloons in Aug 1940) RAF Sutton on Hull Amalgamated with 942 - 1 Jan 1942 | |
| No. 942/943 (East Riding) Balloon Squadron AAF | 1 Jan 1942 | | 31 Aug 1944 | | Anti-'Diver- duties from 31 Jul 1944 | |
| No. 944 (East Riding) Balloon Squadron AAF | 25 Jan 1939 | | 26 Apr 1942 | | 3 Flights of 8 balloons RAF Sutton on Hull | |
| No. 945 (City of Glasgow) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 4 Flights of 8 balloons (40 balloons in Aug 1940) Glasgow Reformed in 22 Balloon Centre for Anti-'Diver' duties | |
| No. 946 (City of Glasgow) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 4 Flights of 8 balloons (48 balloons in Aug 1940) Renfrew | |
| No. 947 (City of Glasgow) Balloon Squadron AAF | Jan 1939 | | Jun 1944 | | 3 Flights of 8 balloons (32 balloons in Aug 1940) Glasgow | |
| No. 947 (City of Glasgow) Balloon Squadron AAF | Jun 1944 | | | | Reformed in 22 Balloon Centre for Anti-'Diver' duties | |
| No. 948 Balloon Squadron RAF | Oct 1939 | | Dec 1944 | | 24 balloons in Aug 1940 Rosyth | |
| No. 949 Balloon Squadron RAF | Oct 1939 | | Jun 1944 | | 32 balloons in Aug 1940 Crewe Reformed in 23 Balloon Centre for Anti-'Diver' duties | |
| No. 950 Balloon Squadron RAF | | | | | Lyness, Orkney – Feb 1940, Kirkwall, Orkney - 1944 32 balloons in Aug 1940 | |
| No. 951 Balloon Squadron RAF | | | Dec 1943 | | 40 balloons in Aug 1940 Bristol until 19 Jun 1944 (Norwich) and then Anti-'Diver' duties | |
| No. 952 Balloon Squadron RAF | Nov 1939 | | | | Sheerness 40 balloons (32 Water-borne) in Aug 1940 | |
| No. 953 Balloon Squadron RAF | | | | | Cardiff 1943/44 39 balloons (7 Water-borne) in Aug 1940 1943/44 -, Anti-'Diver' duties from Jun 1944 | |
| No. 954 Balloon Squadron RAF | | | | | Cobham | |
| No. 955 Balloon Squadron RAF | 1943 | | 1944 | | Weston-super-Mare | |
| No. 956 Balloon Squadron RAF | | | | | 24 balloons in Aug 1940 | |
| No. 957 Balloon Squadron RAF | Jul 1940 – | | | | Yeovil 24 balloons in Aug 1940 | |
| No. 958 Balloon Squadron RAF | Jul 1940 - | | | | Swansea 25 balloons (3 Water-borne) in Aug 1940 Reformed in 23 Balloon Centre for Anti-'Diver' duties | |
| No. 959 Balloon Squadron RAF | 27 Aug 1940 | | | | RAF Feb 1940 - Lyness, Orkney to Dec 1943, Canterbury 1944 on 24 balloons (16 Water-borne) in Aug 1940 | |
| No. 961 Balloon Squadron RAF | Jul 1940 – | | | | Dover 8 Water-borne balloons (Aug 1940) | |
| No. 962 Balloon Squadron RAF | Sep 1940 | | Dec 1943 | | Milford Haven 24 balloons (9 Water-borne) in Aug 1940 | |
| No. 963 Balloon Squadron RAF | | | | | Accrington - pre Dec 1943 | |
| No. 964 Balloon Squadron RAF | Aug 1940 - | | | | Torpoint, Plymouth 1944 on, 24 balloons (6 Water-borne) in Aug 1940 | |
| No. 965 Balloon Squadron RAF | Jul 1940 - | | | | Port Talbot 16 balloons in Aug 1940 Reformed in 23 Balloon Centre for Anti-'Diver' duties | |
| No. 966 Balloon Squadron RAF | Sep 1940 - | | | | Newport, Monmouthshire, moved to RAF Seal south of London from Jun 1944, 40 balloons in Aug 1940, Reformed in 23 Balloon Centre for Anti-'Diver' duties | |
| No. 967 Balloon Squadron RAF | | | Dec 1943 | | Ardrossan 48 balloons in Aug 1940 | |
| No. 968 Balloon Squadron RAF | Dec 1943 | | | | Belfast 16 balloons (8 Water-borne) in Aug 1940 | |
| No. 969 Balloon Squadron RAF | Jul 1940 | | | | Barry pre Dec 1943, Great Yarmouth from Jun 1944 16 balloons in Aug 1940 Reformed in 23 Balloon Centre for Anti-'Diver' duties | |
| No. 970 Balloon Squadron RAF | | | | | Barrow-in-Furness - pre Dec 1943 | |
| No. 971 Balloon Squadron RAF | 1944 | | | | AHQ Eastern Mediterranean | |
| No. 972 Balloon Squadron RAF | | | | | Egypt | |
| No. 973 Balloon Squadron RAF | 1944 | | | | AHQ Eastern Mediterranean | |
| No. 974 Balloon Squadron RAF | | | | | Egypt 2nd Tactical Air Force (2 TAF) | |
| No. 975 Balloon Squadron RAF | 1944 | | | | No. 242 Group RAF | |
| No. 976 Balloon Squadron RAF | | | | | 1944 2 TAF | |
| No. 977 Balloon Squadron RAF | | | | | 1944 Mediterranean Coastal Air Forces | |
| No. 978 Balloon Squadron RAF | 1941 | | 1944 | | 3 TAF | |
| No. 979 Balloon Squadron RAF | | | | | 1944 3 TAF | |
| No. 980 Balloon Squadron RAF | | | 6 Jun 1945 | | 2 TAF (1944 on), 980 Sqn defended Abadan from 1942 and Khosrowabad before being moved via Jordan to the Suez Canal and then Italy | |
| No. 981 Balloon Squadron RAF | 1941- | | | | Mediterranean Coastal Air Forces Reformed in UK for Anti-'Diver' duties - 1944 | |
| No. 982 Balloon Squadron RAF | | | | | 1944 Mediterranean Coastal Air Forces | |
| No. 983 Balloon Squadron RAF | | | | | 1944 Mediterranean Coastal Air Forces | |
| No. 984 Balloon Squadron RAF | | | | | 1944 No. 222 Group RAF | |
| No. 985 Balloon Squadron RAF | | | | | 1944 No. 242 Group RAF | |
| No. 986 Balloon Squadron RAF | | | | | 1944 Malta | |
| No. 987 Balloon Squadron RAF | 1 Sep 1943- | | | | No. 224 Group RAF (1944 on) | |
| No. 988 Balloon Squadron RAF | | | | | | |
| No. 989 Balloon Squadron RAF | | | | | | |
| No. 990 Balloon Squadron RAF | | | | | 1944 No. 222 Group AAF | |
| No. 991 Balloon Squadron RAF | | | | | 2 TAF | |
| No. 992 (Mobile) Balloon Squadron RAF | | | | | Dec 1943 - No 30 (Balloon Barrage) Group RAF, Great Yarmouth, Jun 1944 to 85 Group, for the defence of ports. | |
| No. 993 (Mobile) Balloon Squadron RAF | | | | | Dec 1943 No 30 (Balloon Barrage) Group RAF, Chelmsford | |
| No. 994 (Mobile) Balloon Squadron RAF | | | | | Dec 1943 No 30 (Balloon Barrage) Group RAF, CanterburyJun 1944 to 85 Group, | |
| No. 995 (Mobile) Balloon Squadron RAF | | | | | Dec 1943 No 30 (Balloon Barrage) Group RAF, Titchfield | |
| No. 996 Balloon Squadron RAF | | | | | No. 85 Group RAF Mobile Unit for the defence of ports | |
| No. 997 Balloon Squadron RAF | | | | | Weymouth (1944) Mobile Unit for the defence of ports | |
| No. 998 Balloon Squadron RAF | | | | | Brighton (1944) Mobile Unit for the defence of ports | |
| No. 999 Balloon Squadron RAF | | | | | Paignton (1944) Mobile Unit for the defence of ports | |