CO1 1SU Colchester
Live postcode, introduced October 2016. Ward: Castle. Region: East of England.
Streets
- Maidenburgh Street, Colchester: 2 addresses
- Unnamed street near Maidenburgh Street, Colchester: 1 address
Council tax
What each band costs in Colchester in 2026-27: Band D £2,283 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,522 | £1,776 | £2,029 | £2,283 | £2,790 | £3,297 | £3,805 | £4,566 |
Homes by band in the neighbourhood around this postcode: most are in band B (43% of about 740 homes).
Planning and heritage
- Conservation area: yes, COLCHESTER AREA 1. Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 15.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: 2 protected trees within 100 m of this postcode.
- Green belt: no.
Listed buildings
- RED LION HOTEL, grade I
- THE CASTLE KEEP (INCLUDING EXCAVATED REMAINS OF FOREBUILDING IN MOAT), grade I
- THE GEORGE HOTEL, grade II*
- 105 and 106, High Street, grade II
- 11, WILLIAMS WALK, grade II
- 117 AND 118, HIGH STREET, grade II
- 3-7, Museum Street, grade II
- 45-47, HIGH STREET, grade II
- 54, HIGH STREET, grade II
- 56 AND 57, HIGH STREET, grade II
- 58, HIGH STREET, grade II
- 63, HIGH STREET, grade II
- GATEWAY TO CASTLE PARK, grade II
- THE GABLES, grade II
- THE SUN INN, grade II
Brownfield land registered for housing within 1.0 km
- ST BOTOLPHS CULTURAL QUARTER, EAST OF QUEEN STREET, not permissioned (280 m)
- 23 ST JULIAN GROVE, not permissioned (440 m)
- BRITANNIA WORKS SITE, (CAR PARK OFF BRITANNIA WAY), FRONTING ST JULIAN GROVE, not permissioned (490 m)
- LAND AND BUILDINGS BETWEEN NUMBERS 192 AND 176 MAGDALEN STREET, not permissioned (590 m)
- LAND, BUILDINGS AND FORMER CBT BUS DEPOT FRONTING MAGDALEN STREET AND MILITARY ROAD, not permissioned (640 m)
- BT REPEATER STATION AND LAND ADJACENT TO GUILDFORD ROAD FACING EXETER DRIVE, not permissioned (670 m)
- PARKING LAND USED BY ROBERTSONS VAN HIRE BETWEEN 145 AND 149 MAGDALEN STREET, not permissioned (770 m)
- LAND NORTH OF MAGDALEN STREET (RAILWAY SIDINGS): up to 58 homes, permissioned (800 m)
Flood risk
No address in this postcode is in an area at high, medium or low risk of flooding from rivers, the sea or surface water. The rest are in areas at very low risk: less than a 0.1% (1 in 1,000) chance a year.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The postcode's addresses are about 26 m above sea level.
Broadband
Superfast 100%, ultrafast 0%, gigabit 0% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Colchester Town 1.0 million journeys in 2024–25 | 470 m |
| Colchester 3.6 million journeys in 2024–25 | 1.3 km | |
| Hythe (Essex) 433,000 journeys in 2024–25 | 1.9 km | |
| Bus stops | 27 stops within 400 m, 51 within 800 m; nearest The George Colchester City Centre | 70 m |
| Bus or coach station | Colchester North Park-and-Ride Mile End | 4.1 km |
| Ferry terminal | East Mersea Ferry Landing | 12.4 km |
| Car parks | 9 within 800 m; nearest Vineyard Street Car Park | 280 m |
| EV charging points | 2 within 1.6 km; nearest Roam Charging Station | 30 m |
| Airport with scheduled flights | London Southend Airport SEN | 38.4 km |
| Nearest large airport | London Stansted Airport STN | 45.9 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 5 practices within 1.6 km; nearest Colchester Medical Practice | 530 m |
| Pharmacies | 9 pharmacies within 1.6 km; nearest Colchester City Pharmacy | 170 m |
| NHS dentists | 16 practices within 1.6 km; nearest Dental Health Centre | 210 m |
| Hospital | Oaks Hospital | 1.9 km |
| Police station | Essex Police | 200 m |
| Cash machines | 5 machines within 800 m; nearest Cashpoint® 27 High Street Lloyds Bank | 200 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m; nearest Castle Park 19 ha | 70 m |
| Play area | 5 within 800 m; nearest Unnamed 4.2 ha | 180 m |
| Playing field | 2 within 800 m; nearest Unnamed 3.5 ha | 450 m |
| Allotments | 1 within 800 m; nearest Unnamed 1.2 ha | 670 m |
Within 800 m: 2 parks and gardens, 36 hectares in all.
Landmarks
The nearest historic landmark is The George Hotel, a listed building (Grade II*), 40 m. 323 listed buildings are within 1.0 km, 12 of them Grade I and 31 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| The George Hotel | Listed building, Grade II* | 40 m |
| Red Lion Hotel | Listed building, Grade I | 110 m south-west |
| The Castle Keep (Including Excavated Remains of Forebuilding in Moat) | Listed building, Grade I | 110 m north-east |
| Town Wall | Scheduled monument | 120 m north |
| Employment Exchange | Listed building, Grade II* | 130 m north-west |
| Colchester Castle and the Temple of Claudius | Scheduled monument | 200 m north-east |
| Colchester Castle Park | Registered park or garden, Grade II | 350 m north |
| SE corner of Roman town in Easthill House Gardens | Scheduled monument | 370 m east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Bourne Pond | Lake or reservoir | 1.6 km south-east |
| Blythe Pond | Lake or reservoir | 1.9 km south-east |
| Ash Plantation | Wood | 1.9 km east |
| Friar's Grove | Wood | 2.0 km north-east |
| Hythe Marshes | Wetland | 3.8 km south-east |
| America Hill | Hill | 3.9 km north |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 11.2 | 40 | 10 |
| Fine particles (PM2.5) | 7.3 | 20 | 5 |
| Particles (PM10) | 11.8 | 40 | 15 |
All three are within the UK legal limits; nitrogen dioxide and PM2.5 are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| Under 55 | 3 | 3 |
None of the postcode's 3 addresses is modelled at 55 dB or more from road or rail traffic.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 34 | 40 |
| Children under 15 | 16% | 17% |
| Aged 65 and over | 12% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 16% | 61% |
| Owned outright | 8% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 44% | 17% |
| Private rented | 40% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 53% | 57% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 14% | 22% |
| Long-term sick or disabled (of adults) | 9% | 4% |
| Work mainly from home (of those in work) | 28% | 32% |
| Travel to work by car or van | 24% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 12% | 8% |
| On foot or by bicycle | 35% | 10% |
| Work within 10 km of home (of those who travel to work) | 81% | 65% |
| Work 30 km or more away | 8% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 29% | 34% |
| No qualifications | 19% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 85% | 91% |
| Cannot speak English well or at all | 3% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 2 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Maidenburgh Street.