Below is handy list showing Water Companies by the First Few Letters of your
Post Code. If you are in a rush just use "CTRL + F" keys on
keyboard to
search this page in you browser. And you should be done in no time. We use this
list when trying to find out which Company we need to contact for Capacity
Enquiries or Asset Plans, for Surface Water
Management Plans and the likes. This page contains a large table, and may
not be very easy to view of devices with small screens.
|
Post Code |
Area |
Water Company |
Extra Detail |
| AL1-AL10 |
St Albans |
Affinity Water |
AL1-AL10 |
| B |
Birmingham |
Severn Trent |
|
| BA1-22 |
Bath |
Wessex |
|
| BA3-5, BA11 |
Bath |
Bristol |
|
| BB |
Blackburn |
United Utilities |
|
| BD |
Bradford |
Yorkshire |
|
| BH1-4, BH17-18, BH21-31 |
Bournemouth |
Bournemouth & West Hampshire |
|
| BH15-16, BH19-20 |
Bournemouth |
Wessex |
|
| BL |
Bolton |
United Utilities |
|
| BN1-BN44 |
Brighton |
Southern |
|
| BN8-10, BN20-27 |
Brighton |
South East |
|
| BR1-8 |
Bromley |
Thames Water |
|
| BS1-49 |
Bristol |
Bristol |
|
| CA |
Carlisle |
United Utilities |
|
| CB1-4, CB10-11 |
Cambridge |
Affinity Water |
CB11 Thames and Anglian |
| CB5-9 |
Cambridge |
Anglian |
|
| CF |
Cardiff |
Welsh Water |
|
| CH |
Chester |
Affinity Water |
|
| CM0-6, CM8-15 |
Chelmsford |
Essex & Suffolk |
CM1, CM4, CM13-14, CM16 |
| CM16 |
Chelmsford |
Thames Water |
CM16 |
| CM5-6, CM16-24 |
Chelmsford |
Affinity Water |
CM5-6, CM16-24 |
| CM77 |
Chelmsford |
Anglian |
|
| CM7-8 |
Chelmsford |
Anglian |
|
| CO7, CO11-16 |
Colchester |
Affinity Water |
|
| CR0, CR2, CR4, CR7, CR9 |
Croydon |
Thames Water |
CR0, CR2, CR4, CR7, CR9 |
| CO3 |
Colchester |
Anglian |
|
| CR2, CR3, CR5, CR6,CR8 |
Croydon |
Sutton & East Surrey |
CR2, CR3, CR5, CR6, CR8 |
| Ct15-21 |
Canterbury |
Affinity Water |
|
| CT3, CT7-14 |
Canterbury |
Southern |
|
| CT4-6 |
Canterbury |
Mid Kent |
|
| CV1-CV37 |
Coventry |
Severn Trent |
|
| CW |
Crewe |
United Utilities |
|
| DA1-11, DA13-18 |
Dartford |
Thames Water |
DA1-9, DA13-18 |
| DA3,DA4,DA11-13 |
Dartford |
Southern |
DA10 |
| DE |
Derby |
Severn Trent |
|
| DH |
Durham |
Northumbrian |
|
| DL1-5, DL12-17 |
Darlington |
Northumbrian |
|
| DL6-11 |
Darlington |
Yorkshire |
|
| DN10, DN15-40 |
Doncaster |
Anglian |
|
| DN1-9, DN11-14 |
Doncaster |
Yorkshire |
|
| DT |
Doncaster |
Wessex |
|
| DY |
Dudley |
Severn Trent |
|
| E |
London |
Thames Water |
E |
| EC |
London |
Thames Water |
EC |
| EN1-4 |
Enfield |
Thames Water |
EN1-4 |
| EN4-6 |
Enfield |
Affinity Water |
EN4-6 |
| EN7-11 |
Enfield |
Thames Water |
EN7-11 |
| EX |
Exeter |
South East |
|
| FY |
Blackpool |
United Utilities |
|
| GL1-6, GL8-53 |
Gloucester |
Bristol |
|
| GL1-GL6 |
Gloucester |
Severn Trent |
|
| GL7, GL54-GL56 |
Gloucester |
Thames Water |
GL7, GL54, GL56 |
| GL9-11, GL13-53 |
Gloucester |
Severn Trent |
|
| GU1, GU3 |
Guildford |
South East |
GU3 |
| GU1-8, GU27 |
Guildford |
Thames Water |
GU1-GU8, GU27 |
| GU18-24 |
Guildford |
Affinity Water |
GU18-24 |
| GU20-23 |
Guildford |
South East |
GU20-23 |
| GU25-47 |
Guildford |
South East |
GU25-27, GU30-35 |
| GU27-29,GU31,GU33 |
Guildford |
Southern |
|
| GU51-52 |
Guildford |
South east |
GU51-52 |
| GU9-17 |
Guildford |
South East |
GU10-13, GU15-17 |
| HA0-9 |
Harrow |
Affinity Water |
HA0-9 |
| HD |
Huddersfield |
Yorkshire |
|
| HG |
Harrogate |
Yorkshire |
|
| HP1-2, HP24-26 |
Hemel Hempstead |
Affinity Water |
HP1-2, HP24-26 |
| HP27 |
Hemel Hempstead |
Thames Water |
HP27 |
| HP3-14, HP15-23 |
Hemel Hempstead |
Thames Water |
HP3-14, HP15-23 |
| HR 1-9 |
Hereford |
Dwr Cymru |
|
| HR1-9 |
Hereford |
Severn Trent |
|
| HU |
Hull |
Yorkshire |
|
| HX |
Halifax |
Yorkshire |
|
| IG1, IG4-11 |
Ilford |
Thames Water |
IG1, IG4-11 |
| IG1-3, IG6, IG11 |
Ilford |
Essex & Suffolk |
IG1-3, IG6, IG11 |
| IP1-12,IP14,IP20,IP22,IP24-33 |
Ipswich |
Anglian |
|
| IP15-21, IP23 |
Ipswich |
Essex & Suffolk |
|
| KT10-16 |
Kingston-upon Thames |
Affinity Water |
KT10,12-16 |
| KT1-3 KT5-10, KT12 |
Kingston –upon Thames |
Thames Water |
KT1-10, KT12 |
| KT18-19 |
Kingston-upon Thames |
Thames Water |
KT18-19 |
| KT21-24 |
Kingston-upon Thames |
Affinity Water |
KT21-24 |
| KT4, KT10-11, KT14,KT17-22 |
Kingston-upon Thames |
Sutton & East Surrey |
KT10,KT14,KT17-22 |
| L |
Liverpool |
United Utilities |
|
| LA |
Lancaster |
United Utilities |
|
| LE |
Leicester |
Severn Trent |
|
| LL1-10,LL15-78 |
North Wales |
Welsh Water |
|
| LL11-14 |
North Wales |
Dee Valley |
|
| LN |
Lincoln |
Anglian |
|
| LS |
Leeds |
Yorkshire |
|
| LU1-6 |
Luton |
Affinity Water |
LU1-6 |
| LU5, LU7 |
Luton |
Anglian |
LU7 |
| M |
Manchester |
United Utilities |
|
| ME1-12 |
Medway |
Southern |
|
| ME9-10, ME13-20 |
Medway |
Mid-Kent |
|
| MK1-17, MK19-46 |
Milton Keynes |
Anglian |
|
| MK18 |
Milton Keynes |
Thames Water/Anglian |
MK18 |
| N1,N4-11,N13-19,N21-22 |
London |
Thames Water |
N1, N4-11, N13-19,N21-22 |
| N2-3, N11-12,N20 |
London |
Affinity Water |
N2-3, N11-12, N20 |
| NE |
Newcastle-upon Tyne |
Northumbrian |
|
| NG1-30 |
Nottingham |
Severn Trent |
|
| NG31-34 |
Nottingham |
Anglian |
|
| NN |
Northampton |
Anglian |
NN11-13 |
| NP |
Newport |
Welsh Water |
|
| NR1-29, NR35 |
Norwich |
Anglian |
|
| NR30-34 |
Norwich |
Essex & Suffolk |
|
| NW1-6, NW8, |
London |
Thames Water |
NW1-6, NW8, NW10-11 |
| NW7, NW9-11 |
London |
Affinity Water |
NW7, NW9-11 |
| OL |
Oldham |
United Utilities |
|
| OX1-44, OX49 |
Oxford |
Thames Water |
OX1-44, OX49 |
| OX15, OX17 |
Oxford |
Severn Trent |
OX15, OX17 |
| OX6, OX16-17,OX33-44 |
Oxford |
Anglian |
OX6, OX16-17,OX33-44 |
| PE |
Peterborough |
Anglian |
|
| PL |
Plymouth |
South West |
|
| PO1-29 |
Portsmouth |
Portsmouth |
|
| PO30-41 |
Portsmouth |
Southern |
|
| PR |
Preston |
United Utilities |
|
| RG10, RG12,RG21-29, RG40-42 |
Reading |
South East |
RG10, RG12,RG21-29, RG40-42 |
| RG1-11, RG13-20,RG30-39 |
Reading |
Thames Water |
RG1-11, RG13-20,RG30-39 |
| RG28 |
Reading |
Southern |
|
| RH10-17, RH20 |
Redhill |
Southern |
RH10-17, RH20 |
| RH1-11, RH15-19 |
Redhill |
South East |
RH1-11, RH15-19 |
| RH1-9, RH11 |
Redhill |
Sutton & East Surrey |
RH1-9, RH11 |
| RM1-20 |
Romford |
Essex & Suffolk |
RM1-15 |
| S1-79 |
Sheffield |
Yorkshire |
|
| S4-45, S80-81 |
Sheffield |
Severn Trent |
|
| SA |
Swansea |
Welsh Water |
|
| SE |
London |
Thames Water |
SE |
| SG1-19 |
Stevenage |
Affinity Water |
SG1-19 |
| SK |
Stockport |
United Utilities |
|
| SL0, SL5, SL9-10 |
Slough |
Affinity Water |
SL0, SL5, SL9-10 |
| SL1-4 |
Slough |
Thames Water/ Affinity |
SL1-4 |
| SL6 |
Slough |
South East |
SL6 |
| SL7-8 |
Slough |
Thames Water |
SL7-8 |
| SM1-3, SM5-7 |
Slough |
Sutton & East |
SM1-3, SM5-7 |
| SM4 |
Slough |
Thames Water/Sutton & East Surrey |
SM4 |
| SN1-8, SN25-26 |
Swindon |
Thames Water |
SN1-3, SN 5-8, SN25-26 |
| SN9-16 |
Swindon |
Wessex water |
SN9-16, SN4 |
| SO1-53 |
Southampton |
Southern |
|
| SO30-32 |
Southampton |
Portsmouth |
|
| SP1 - SP11 |
See Tidworth Street Search in the CIN File |
|
|
| SR |
Sunderland |
Northumbrian |
|
| SS |
Southend-on-Sea |
Essex & Suffolk |
|
| ST |
Stoke-on-Trent |
Severn Trent |
|
| SW |
London |
Thames Water |
SW |
| SW19-20 |
London |
Sutton & East |
SW19-20 |
| SY1-17, SY19-22 |
Shrewsbury |
Severn Trent |
|
| SY18, SY23-25 |
Shrewsbury |
Dwr Cymru |
|
| TA |
Taunton |
Wessex |
|
| TF |
Telford |
Severn Trent |
|
| TN1-13, TN15,TN17-40 |
Tonbridge |
South East |
TN13,TN15, |
| TN14, TN16 |
Tonbridge |
Thames Water |
TN14, TN16 |
| TN28, TN29 |
Tonbridge |
Affinity Water |
|
| TN31, TN34-38 |
Tonbridge |
Southern |
TN8, |
| TQ |
Torquay |
South West |
|
| TR |
Truro |
South West |
|
| TS |
Middlesborough |
Northumbrian |
|
| TW1-5, TW7-13, TW16-17 |
Twickenham |
Thames Water |
TW1-5, TW7-13,TW16-17 |
| TW6, TW13-20 |
Twickenham |
Affinity Water |
TW6, TW13-20 |
| UB1-11 |
Uxbridge |
Affinity Water |
UB1-11 |
| UB2, UB6, UB9 |
Uxbridge |
Thames Water |
UB2, UB6, UB9 |
| W |
London |
Thames Water |
W |
| WA1-5, WA7-16 |
Warrington |
United Utilities |
|
| WA6 |
Warrington |
United Utilities |
|
| WC |
London |
Thames Water |
WC |
| WD1-25 |
Watford |
Affinity Water |
WD1-25 |
| WF |
Wakefield |
Yorkshire |
|
| WN |
Wigan |
United Utilities |
|
| WR |
Worcester |
Severn Trent |
|
| WS |
Walsall |
South Staffs |
|
| WV |
Wolverhampton |
Severn Trent |
|
| YO |
York |
Yorkshire |
|
Southwest
Environmental Limited