Postcode districts covered by West Country Leak Detection
The postcode districts covered by West Country Leak Detection number 271, in 12 postcode areas across Bristol, Gloucestershire, Wiltshire, Somerset, Dorset, Devon and Cornwall.
Which postcode districts does each city and county page cover?
Each city and county page covers its own set of districts: the Bristol, Plymouth, Exeter and Swindon pages the districts of their post towns, the Bournemouth page those of Bournemouth, Poole and Christchurch, and the Cornwall and Devon pages the districts of their counties.
| Place page | Districts it covers |
|---|---|
| Leak detection in Bristol | BS1, BS2, BS3, BS4, BS5, BS6, BS7, BS8, BS9, BS10, BS11, BS13, BS14, BS15, BS16, BS20, BS30, BS31, BS32, BS34, BS35, BS36, BS37, BS39, BS40, BS41, BS48, BS49 |
| Leak detection in Plymouth | PL1, PL2, PL3, PL4, PL5, PL6, PL7, PL8, PL9 |
| Leak detection in Bournemouth, Poole and Christchurch | BH1, BH2, BH3, BH4, BH5, BH6, BH7, BH8, BH9, BH10, BH11, BH12, BH13, BH14, BH15, BH16, BH17, BH23 |
| Leak detection in Exeter | EX1, EX2, EX3, EX4, EX5, EX6 |
| Leak detection in Swindon | SN1, SN2, SN3, SN4, SN5, SN6, SN25, SN26 |
| Leak detection across Cornwall | EX23, PL10, PL11, PL12, PL13, PL14, PL15, PL17, PL18, PL22, PL23, PL24, PL25, PL26, PL27, PL28, PL29, PL30, PL31, PL32, PL33, PL34, PL35, TR1, TR2, TR3, TR4, TR5, TR6, TR7, TR8, TR9, TR10, TR11, TR12, TR13, TR14, TR15, TR16, TR17, TR18, TR19, TR20, TR26, TR27 |
| Leak detection across Devon | EX1, EX2, EX3, EX4, EX5, EX6, EX7, EX8, EX9, EX10, EX11, EX12, EX13, EX14, EX15, EX16, EX17, EX18, EX19, EX20, EX21, EX22, EX24, EX31, EX32, EX33, EX34, EX35, EX36, EX37, EX38, EX39, PL1, PL2, PL3, PL4, PL5, PL6, PL7, PL8, PL9, PL16, PL19, PL20, PL21, TQ1, TQ2, TQ3, TQ4, TQ5, TQ6, TQ7, TQ8, TQ9, TQ10, TQ11, TQ12, TQ13, TQ14 |
Devon's page lists Plymouth's and Exeter's districts as well, with links to the two city pages. Every other covered district, from Gloucester to Weymouth, appears in the full index further down.
Which counties and main towns are covered?
Bristol, Gloucestershire, Wiltshire, Somerset, Dorset, Devon and Cornwall are covered on the mainland, with main towns including Gloucester, Cheltenham, Poole, Salisbury, Bath, Taunton, Weston-super-Mare, Newton Abbot, Bridgwater and Torquay.
| County | Largest covered post towns |
|---|---|
| Bristol | Bristol |
| Gloucestershire | Gloucester; Cheltenham; Stroud; Cirencester, Fairford, Lechlade; Tewkesbury; Blakeney, Lydney |
| Wiltshire | Swindon; Salisbury; Trowbridge; Corsham, Chippenham; Devizes; Warminster |
| Somerset | Bath; Taunton; Weston-super-Mare; Bridgwater; Yeovil; Radstock |
| Dorset | Bournemouth; Poole; Weymouth; Christchurch; Dorchester; Wimborne |
| Devon | Plymouth; Exeter; Newton Abbot; Torquay; Paignton; Barnstaple |
| Cornwall | Truro; St Austell; Penzance; Redruth; Helston; Falmouth |
Each county's towns are ordered by size. West Country Leak Detection covers the rest of each county's post towns too, and the index below lists every one of them against its district codes.
How do the covered districts break down by postcode area?
The covered districts fall into 12 postcode areas, each listed below under its area name, with every district's code and post town.
BS Bristol
- BS1 Bristol
- BS2 Bristol
- BS3 Bristol
- BS4 Bristol
- BS5 Bristol
- BS6 Bristol
- BS7 Bristol
- BS8 Bristol
- BS9 Bristol
- BS10 Bristol
- BS11 Bristol
- BS13 Bristol
- BS14 Bristol
- BS15 Bristol
- BS16 Bristol
- BS20 Bristol
- BS21 Clevedon
- BS22 Weston-super-Mare
- BS23 Weston-super-Mare
- BS24 Weston-super-Mare
- BS25 Winscombe
- BS26 Axbridge
- BS27 Cheddar
- BS28 Wedmore
- BS29 Banwell
- BS30 Bristol
- BS31 Bristol
- BS32 Bristol
- BS34 Bristol
- BS35 Bristol
- BS36 Bristol
- BS37 Bristol
- BS39 Bristol
- BS40 Bristol
- BS41 Bristol
- BS48 Bristol
- BS49 Bristol
GL Gloucester
- GL1 Gloucester
- GL2 Gloucester
- GL3 Gloucester
- GL4 Gloucester
- GL5 Stroud
- GL6 Stroud
- GL7 Cirencester, Fairford, Lechlade
- GL8 Tetbury
- GL9 Badminton
- GL10 Stonehouse
- GL11 Dursley, Wotton-under-Edge
- GL12 Wotton-under-Edge
- GL13 Berkeley
- GL14 Cinderford, Newnham, Westbury-on-Severn
- GL15 Blakeney, Lydney
- GL16 Coleford
- GL17 Drybrook, Longhope, Lydbrook, Mitcheldean, Ruardean
- GL18 Dymock, Newent
- GL19 Gloucester
- GL20 Tewkesbury
- GL50 Cheltenham
- GL51 Cheltenham
- GL52 Cheltenham
- GL53 Cheltenham
- GL54 Cheltenham
- GL55 Chipping Campden
- GL56 Moreton-in-Marsh
EX Exeter
- EX1 Exeter
- EX2 Exeter
- EX3 Exeter
- EX4 Exeter
- EX5 Exeter
- EX6 Exeter
- EX7 Dawlish
- EX8 Exmouth
- EX9 Budleigh Salterton
- EX10 Sidmouth
- EX11 Ottery St Mary
- EX12 Seaton
- EX13 Axminster
- EX14 Honiton
- EX15 Cullompton
- EX16 Tiverton
- EX17 Crediton
- EX18 Chulmleigh
- EX19 Winkleigh
- EX20 North Tawton, Okehampton
- EX21 Beaworthy
- EX22 Holsworthy
- EX23 Bude
- EX24 Colyton
- EX31 Barnstaple
- EX32 Barnstaple
- EX33 Braunton
- EX34 Ilfracombe, Woolacombe
- EX35 Lynmouth, Lynton
- EX36 South Molton
- EX37 Umberleigh
- EX38 Torrington
- EX39 Bideford
PL Plymouth
- PL1 Plymouth
- PL2 Plymouth
- PL3 Plymouth
- PL4 Plymouth
- PL5 Plymouth
- PL6 Plymouth
- PL7 Plymouth
- PL8 Plymouth
- PL9 Plymouth
- PL10 Torpoint
- PL11 Torpoint
- PL12 Saltash
- PL13 Looe
- PL14 Liskeard
- PL15 Launceston
- PL16 Lifton
- PL17 Callington
- PL18 Calstock, Gunnislake
- PL19 Tavistock
- PL20 Yelverton
- PL21 Ivybridge
- PL22 Lostwithiel
- PL23 Fowey
- PL24 Par
- PL25 St Austell
- PL26 St Austell
- PL27 Wadebridge
- PL28 Padstow
- PL29 Port Isaac
- PL30 Bodmin
- PL31 Bodmin
- PL32 Camelford
- PL33 Delabole
- PL34 Tintagel
- PL35 Boscastle
BH Bournemouth
- BH1 Bournemouth
- BH2 Bournemouth
- BH3 Bournemouth
- BH4 Bournemouth
- BH5 Bournemouth
- BH6 Bournemouth
- BH7 Bournemouth
- BH8 Bournemouth
- BH9 Bournemouth
- BH10 Bournemouth
- BH11 Bournemouth
- BH12 Poole
- BH13 Poole
- BH14 Poole
- BH15 Poole
- BH16 Poole
- BH17 Poole
- BH18 Broadstone
- BH19 Swanage
- BH20 Wareham
- BH21 Wimborne
- BH22 Ferndown
- BH23 Christchurch
- BH31 Verwood
SN Swindon
- SN1 Swindon
- SN2 Swindon
- SN3 Swindon
- SN4 Swindon
- SN5 Swindon
- SN6 Swindon
- SN8 Marlborough
- SN9 Pewsey
- SN10 Devizes
- SN11 Calne
- SN12 Melksham
- SN13 Corsham
- SN14 Chippenham
- SN15 Corsham, Chippenham
- SN16 Malmesbury
- SN25 Swindon
- SN26 Swindon
BA Bath
- BA1 Bath
- BA2 Bath
- BA3 Radstock
- BA4 Shepton Mallet
- BA5 Wells
- BA6 Glastonbury
- BA7 Castle Cary
- BA8 Templecombe
- BA9 Wincanton, Bruton
- BA10 Bruton
- BA11 Frome
- BA12 Warminster
- BA13 Westbury
- BA14 Trowbridge
- BA15 Bradford-on-Avon
- BA16 Street
- BA20 Yeovil
- BA21 Yeovil
- BA22 Yeovil
TA Taunton
- TA1 Taunton
- TA2 Taunton
- TA3 Taunton
- TA4 Taunton
- TA5 Bridgwater
- TA6 Bridgwater
- TA7 Bridgwater
- TA8 Burnham-on-Sea
- TA9 Highbridge
- TA10 Langport
- TA11 Somerton
- TA12 Martock
- TA13 South Petherton
- TA14 Stoke-sub-Hamdon
- TA15 Montacute
- TA16 Merriott
- TA17 Hinton St George
- TA18 Crewkerne
- TA19 Ilminster
- TA20 Chard
- TA21 Wellington
- TA22 Dulverton
- TA23 Watchet
- TA24 Minehead
TR Truro
- TR1 Truro
- TR2 Truro
- TR3 Truro
- TR4 Truro
- TR5 St Agnes
- TR6 Perranporth
- TR7 Newquay
- TR8 Newquay
- TR9 St Columb
- TR10 Penryn
- TR11 Falmouth
- TR12 Helston
- TR13 Helston
- TR14 Camborne
- TR15 Redruth
- TR16 Redruth
- TR17 Marazion
- TR18 Penzance
- TR19 Penzance
- TR20 Penzance
- TR26 St Ives
- TR27 Hayle
TQ Torquay
- TQ1 Torquay
- TQ2 Torquay
- TQ3 Paignton
- TQ4 Paignton
- TQ5 Brixham
- TQ6 Dartmouth
- TQ7 Kingsbridge
- TQ8 Salcombe
- TQ9 Totnes, South Brent
- TQ10 South Brent
- TQ11 Buckfastleigh
- TQ12 Newton Abbot
- TQ13 Newton Abbot
- TQ14 Teignmouth
DT Dorchester
- DT1 Dorchester
- DT2 Dorchester
- DT3 Weymouth
- DT4 Weymouth
- DT5 Portland
- DT6 Bridport
- DT7 Lyme Regis
- DT8 Beaminster
- DT9 Sherborne
- DT10 Sturminster Newton
- DT11 Blandford Forum
SP Salisbury
- SP1 Salisbury
- SP2 Salisbury
- SP3 Salisbury
- SP4 Salisbury
- SP5 Salisbury
- SP7 Shaftesbury
- SP8 Gillingham
- SP9 Tidworth
Contains OS data © Crown copyright and database right 2026.
Contains Royal Mail data © Royal Mail copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Which water company supplies the main towns in each area?
The main towns in each area are supplied by the companies in the table below, and several areas are split between companies, so each company's postcode checker settles a particular address.
| Postcode area | What the town checks found | One company or split |
|---|---|---|
| BS | In the BS area, Bristol Water supplies the water at the Bristol (BS1, BS10, BS13) and Weston-super-Mare (BS23) postcodes checked, and Wessex Water provides the sewerage. | No split found at the towns checked |
| BA | In the BA area, Wessex Water supplies water and sewerage at the Bath (BA1, BA2), Trowbridge (BA14) and Yeovil (BA20, BA21) postcodes checked. | Split between companies: check your address |
| GL | In the GL area, Severn Trent supplies the water at the Gloucester (GL1), Cheltenham (GL50, GL51, GL53), Stroud (GL5), Tewkesbury (GL20), Cinderford (GL14), Lydney (GL15) and Coleford (GL16) postcodes checked and provides the sewerage where the checker has data, while Thames Water supplies water and sewerage at Cirencester (GL7). | Split between companies: check your address |
| SN | In the SN area, Thames Water supplies water and sewerage at the Swindon (SN1, SN3) and Marlborough (SN8) postcodes checked, and Wessex Water at Chippenham (SN15) and Devizes (SN10). | Split between companies: check your address |
| SP | In the SP area, Wessex Water supplies water and sewerage at the Salisbury (SP1, SP2) and Shaftesbury (SP7) postcodes checked. Cholderton parish, with postcodes beginning SP4 0, is supplied by Cholderton and District Water, a private supply since 1 May 2018, and Wessex Water is the supplier of last resort for its area. In the Tidworth and Perham Down area, Veolia provides the water mains, service pipes, drains and sewer maintenance under an inset appointment. | Split between companies: check your address |
| TA | In the TA area, Wessex Water supplies water and sewerage at the Taunton (TA1) and Bridgwater (TA6) postcodes checked. | No split found at the towns checked |
| DT | In the DT area, Wessex Water supplies water and sewerage at the Dorchester (DT1) and Weymouth (DT4) postcodes checked. | No split found at the towns checked |
| BH | In the BH area, Bournemouth Water supplies the water at the Bournemouth (BH2, BH7) and Christchurch (BH23) postcodes checked, where the checker held no sewerage data. Poole is split: Wessex Water supplies water and sewerage at the central Poole postcodes BH15 2RU and BH15 2JB, while Bournemouth Water supplies the water at BH12 5BB, and Bournemouth Water's own postcode search places BH15 2RU outside its area. | Split between companies: check your address |
| EX, PL, TQ, TR | In the EX, PL, TQ and TR areas, South West Water supplies water and sewerage at the Exeter (EX1, EX2), Plymouth (PL1, PL6), Torquay (TQ1, TQ2) and Truro (TR1) postcodes checked. | No split found at the towns checked |
The rows record Discover Water's postcode tool, read on 21 October 2026, at the postcodes named; a town check is a sample, never a boundary.
South West Water and Bournemouth Water each have a postcode box on their hard water pages that says when a postcode is outside their supply area. Use South West Water's postcode search or Bournemouth Water's postcode search for a single address.
Wessex Water and the Consumer Council for Water point households to Water UK's postcode checker, and Wessex Water says a new build or a property on the border of its area may not appear within its region. Its page is Wessex Water's Find your water supplier.