CO3 3AA postcode in Colchester, Essex

CO3 3AA is a postcode in Colchester, in the Castle ward. It is in the Colchester parliamentary constituency and the Essex police force area, and has been in use since January 1980.

Flooding Not on the at-risk list The Environment Agency lists no home or business here in an area at risk from rivers or the sea Gigabit broadband 50% of homes and businesses can get it. Colchester: 82% Typical price £312,500 Homes sold in CO3 3, last 12 months. ▲ 0.8% on the year before Nearest station Colchester Town 750 m in a straight line

Where CO3 3AA is, and what is near it

Map of CO3 3AA and what is near it Map of CO3 3AA: its centre point, with the 230 other postcodes in the CO3 3 sector, 3 schools, 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows), 19 bus stops and 1 EV charging point. North is up; the scale bar is 250 m. CO3 3AB: also in CO3 3CO3 3AD: also in CO3 3CO3 3AE: also in CO3 3CO3 3AF: also in CO3 3CO3 3AG: also in CO3 3CO3 3AH: also in CO3 3CO3 3AJ: also in CO3 3CO3 3AL: also in CO3 3CO3 3AN: also in CO3 3CO3 3AP: also in CO3 3CO3 3AQ: also in CO3 3CO3 3AR: also in CO3 3CO3 3AS: also in CO3 3CO3 3AT: also in CO3 3CO3 3AU: also in CO3 3CO3 3AW: also in CO3 3CO3 3AX: also in CO3 3CO3 3AY: also in CO3 3CO3 3BJ: also in CO3 3CO3 3BP: also in CO3 3CO3 3BT: also in CO3 3CO3 3BU: also in CO3 3CO3 3BW: also in CO3 3CO3 3BZ: also in CO3 3CO3 3DA: also in CO3 3CO3 3DB: also in CO3 3CO3 3DD: also in CO3 3CO3 3DE: also in CO3 3CO3 3DF: also in CO3 3CO3 3DG: also in CO3 3CO3 3DH: also in CO3 3CO3 3DJ: also in CO3 3CO3 3DL: also in CO3 3CO3 3DN: also in CO3 3CO3 3DP: also in CO3 3CO3 3DQ: also in CO3 3CO3 3DW: also in CO3 3CO3 3DY: also in CO3 3CO3 3EA: also in CO3 3CO3 3ED: also in CO3 3CO3 3EE: also in CO3 3CO3 3EJ: also in CO3 3CO3 3EN: also in CO3 3CO3 3ES: also in CO3 3CO3 3EY: also in CO3 3CO3 3EZ: also in CO3 3CO3 3FF: also in CO3 3CO3 3FG: also in CO3 3CO3 3FL: also in CO3 3CO3 3FQ: also in CO3 3CO3 3GE: also in CO3 3CO3 3GT: also in CO3 3CO3 3GW: also in CO3 3CO3 3HA: also in CO3 3CO3 3HD: also in CO3 3CO3 3HE: also in CO3 3CO3 3HF: also in CO3 3CO3 3HH: also in CO3 3CO3 3HJ: also in CO3 3CO3 3HL: also in CO3 3CO3 3HN: also in CO3 3CO3 3HP: also in CO3 3CO3 3HQ: also in CO3 3CO3 3HR: also in CO3 3CO3 3HT: also in CO3 3CO3 3HU: also in CO3 3CO3 3HW: also in CO3 3CO3 3HX: also in CO3 3CO3 3HY: also in CO3 3CO3 3JA: also in CO3 3CO3 3JB: also in CO3 3CO3 3JD: also in CO3 3CO3 3JE: also in CO3 3CO3 3JF: also in CO3 3CO3 3JG: also in CO3 3CO3 3JH: also in CO3 3CO3 3JJ: also in CO3 3CO3 3JN: also in CO3 3CO3 3JQ: also in CO3 3CO3 3JR: also in CO3 3CO3 3JW: also in CO3 3CO3 3LU: also in CO3 3CO3 3LX: also in CO3 3CO3 3LY: also in CO3 3CO3 3LZ: also in CO3 3CO3 3NA: also in CO3 3CO3 3ND: also in CO3 3CO3 3NE: also in CO3 3CO3 3NF: also in CO3 3CO3 3NG: also in CO3 3CO3 3NH: also in CO3 3CO3 3NL: also in CO3 3CO3 3NN: also in CO3 3CO3 3NP: also in CO3 3CO3 3NR: also in CO3 3CO3 3NS: also in CO3 3CO3 3NT: also in CO3 3CO3 3NW: also in CO3 3CO3 3NY: also in CO3 3CO3 3NZ: also in CO3 3CO3 3PE: also in CO3 3CO3 3PH: also in CO3 3CO3 3PJ: also in CO3 3CO3 3PL: also in CO3 3CO3 3PN: also in CO3 3CO3 3PR: also in CO3 3CO3 3PS: also in CO3 3CO3 3PT: also in CO3 3CO3 3PW: also in CO3 3CO3 3PX: also in CO3 3CO3 3PY: also in CO3 3CO3 3PZ: also in CO3 3CO3 3QA: also in CO3 3CO3 3QJ: also in CO3 3CO3 3QL: also in CO3 3CO3 3WG: also in CO3 3CO3 3XL: also in CO3 3 GP 700 mGP 1.1 kmNew Town and Christ Church CO3 3AA Map of CO3 3AA and what is near it Map of CO3 3AA: its centre point, with the 230 other postcodes in the CO3 3 sector, 3 schools, 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows), 19 bus stops and 1 EV charging point. North is up; the scale bar is 250 m. GP 700 mNew Town and Christ Church CO3 3AA
  • CO3 3AA
  • Other postcodes in CO3 3: press one for its page
  • 3 schools
  • 2 railway stations
  • 3 GP practices
  • 19 bus stops
  • 1 EV charging point
  • Further out, with the distance

Points are centre points, not buildings, and nothing drawn is a boundary. Names in italics are council wards: we hold no town or village names here. Open this area on OpenStreetMap (latitude 51.8879, longitude 0.8942)

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026; schools: Department for Education; stations and bus stops: Department for Transport; GP practices: NHS England; charging points: © OpenStreetMap contributors, Open Database Licence; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after CO3 3AA?

ONS places a whole postcode in one council, one ward and one constituency, from a single point. A few postcodes cross a boundary, so an address at the edge can belong to the one next door. Your council tax bill or your poll card settles it for your address.

Council, police force area and constituency: ONS Postcode Directory, August 2026. What each council does: GOV.UK. The MP: UK Parliament, read 14 October 2026.

What broadband can you get at CO3 3AA?

50% of the homes and businesses at CO3 3AA can get superfast broadband (30 Mbit/s or more) from a line, and 50% gigabit, Ofcom says.

Gigabit (1,000 Mbit/s)50% can get it

Colchester: 82%

Superfast (30 Mbit/s or more)50% can get it

Colchester: 97%

The line marks the figure across Colchester.

Check one address, and mobile coverage, on Ofcom's checker Compare broadband at another postcode

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

When are the bins collected at CO3 3AA?

BinDayBuddy does not read Colchester City Council's collection days yet, so the council's own checker is the place to look.

Colchester City Council's bin days

Source: BinDayBuddy, built from councils' own collection systems and public data. BinDayBuddy is run by Towpath Digital, which also runs this site. How we use it

Is CO3 3AA at risk of flooding?

From rivers and the sea, long term

The Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea does not include CO3 3AA.

Rivers and the sea only, for the land around buildings, not each building. GOV.UK's checker answers for one address, surface water included.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0.

From surface water, across Colchester

The Environment Agency publishes this for the whole council, not for CO3 3AA: 910 properties in Colchester are at high risk (0.9% of all its properties). All the figures for Colchester

Source: Environment Agency, Risk of Flooding from Surface Water, properties at risk by local authority, version 2025-09, listed 18 September 2026, Open Government Licence v3.0.

Flood warnings

The centre of CO3 3AA is not in any of the Environment Agency's flood warning or alert areas. Part of the postcode may still be, so check your own address when you sign up.

Sign up for flood warnings, free, on GOV.UK Check flood risk at another postcode

Source: Environment Agency, flood warning areas read 17 October 2026. Open Government Licence v3.0. How we use these

What do homes sell for near CO3 3AA?

Homes in CO3 3 sold for a typical £312,500 in the 12 months to August 2026, across 107 sales, up 0.8% on the 12 months before, HM Land Registry's figures show.

£312,500 typical price, the 12 months to August 2026
£310,000 12 months to August 2025
▲ up 0.8% on the 12 months before
  • Detached £581,000 28 sales
  • Semi-detached £386,000 22 sales
  • Terraced £282,500 20 sales
  • Flat or maisonette £175,000 37 sales

Each bar is that kind's typical price, against the most expensive kind here.

Across the whole CO3 district: a typical £350,000 from 429 sales.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Homes sold in CO3 3AA

HM Land Registry records no standard sales of homes in CO3 3AA from January 2024 to August 2026. The prices above are for the homes around it.

Sales at market value to a private buyer; the latest months are not complete. Own or live in a home listed here and would rather it were not? Ask us to take it off.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Food hygiene ratings at CO3 3AA

The Food Standards Agency lists one food business at CO3 3AA. Each opens the agency's own page for it, with what the council's inspector found.

Ratings run from 5, very good, to 0, urgent improvement necessary. A rating comes from the business's last inspection, and can change at the next.

Food hygiene ratings, from the Food Standards Agency

Source: Food Standards Agency, food hygiene ratings as published on 22 October 2026. Open Government Licence v3.0. How we use it

What council tax band are homes near CO3 3AA?

The Valuation Office Agency counts about 820 homes in the neighbourhood around CO3 3AA. The largest share of them, 38%, are in council tax band B. More were built from 1983 to 1999 than in any other period (29%). A home's own band is set for that home: check it on GOV.UK.

Council tax bands, and a year's council tax

Council tax bands of the homes around CO3 3AA

Band D in Colchester for 2026‑27: £2,283. For the bands the homes here are in, a year's council tax runs from £1,522 (band A) to £2,790 (band E); band B, the most common, is £1,776.

BandHomes around hereA year
Band Aabout 240 (29%)£1,522
Band Babout 310 (38%)£1,776
Band Cabout 240 (29%)£2,029
Band Dabout 20 (2%)£2,283
Band Eabout 10 (1%)£2,790
Band Fwithheld£3,297
Band Gwithheld£3,805
Band Hwithheld£4,566

When the homes were built

  1. 24% Before 1900
  2. 2% 1900 to 1918
  3. 1% 1919 to 1939
  4. Withheld 1945 to 1964
  5. 6% 1965 to 1982
  6. 29% 1983 to 1999
  7. 5% 2000 to 2009
  8. 18% 2010 to 2019
  9. 13% 2020 or later

Averages for Colchester before discounts, not any one home's bill.

Council tax: Ministry of Housing, Communities and Local Government, Council Tax levels set by local authorities in England 2026 to 2027, Table 10, published 25 March 2026, Open Government Licence v3.0. How we use it

Counts for the neighbourhood the centre of CO3 3AA is in (ONS area E01035158), rounded by the VOA.

Check one home's band on GOV.UK

Source: Valuation Office Agency, Council Tax: stock of properties, at 31 March 2026, Open Government Licence v3.0. How we use it

Which schools are near CO3 3AA?

The nearest open schools to CO3 3AA, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CO3 3AA, and how we find them

Source: Department for Education, Get Information about Schools, read 17 October 2026, Open Government Licence v3.0. Each school opens its own record there. How we use it

Where is the nearest station to CO3 3AA?

The nearest railway station to the centre of CO3 3AA is Colchester Town Rail Station, 750 metres away in a straight line.

  • Colchester Town Rail Station Railway station 750 mWalk
  • Colchester Rail Station Railway station 1.4 kmCycle

Straight-line distances from the centre point, not routes. Walk: under 1.2 km. Cycle: 1.2 to 5 km. Drive: further.

19 bus stops within 400 metres, the nearest Crouch Street, 31 m away.

More stations near CO3 3AA, and how we find them

Source: Department for Transport, NaPTAN, read 17 October 2026, Open Government Licence v3.0. How we use it

Which GP surgeries are near CO3 3AA?

The nearest GP practices to the centre of CO3 3AA, in a straight line. Each sets the area it takes patients from. In England, each opens its page at the Care Quality Commission, which inspects and rates it.

Find a GP on the NHS website

Source: NHS England, Organisation Data Service (GP practices), read 17 October 2026; ratings: Care Quality Commission, 1 October 2026, Open Government Licence v3.0. How we use it

Where can I charge an electric car near CO3 3AA?

1 within 1 km 3 within 3 km

The nearest charging points to the centre of CO3 3AA, as OpenStreetMap had them on 20 October 2026:

  • Osprey Charging point · No details mapped 550 mWalk
  • Co-op Local Charging point · 2 chargers 1.2 kmWalk
  • Bp Pulse Charging point · 4 chargers 1.6 kmCycle

OpenStreetMap is mapped by volunteers. It does not have every charger, and not every one it has gives its speed or plugs. Check a charger's own app before you set off.

See more chargers on Open Charge Map

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Which dentists are near CO3 3AA?

The nearest to the centre of CO3 3AA, in a straight line. Those in England open their page at the Care Quality Commission, which inspects them. It gives few dentists a rating.

Source: Care Quality Commission (directory of 14 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which hospitals are nearest to CO3 3AA?

The nearest NHS and private hospitals and clinics in England, in a straight line, with the Care Quality Commission's latest overall rating. One in Wales or Scotland may be nearer.

Not every hospital has an accident and emergency department. In an emergency, call 999.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which care homes are near CO3 3AA?

The nearest care homes to the centre of CO3 3AA, in a straight line, with the Care Quality Commission's latest overall rating.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which pharmacies are near CO3 3AA?

The nearest NHS pharmacies to the centre of CO3 3AA, in a straight line. Those in England show the opening hours they gave the NHS (list published July 2026) and open their page on the NHS website. A few work online or by post only: check before you go.

Hours can change on bank holidays. For urgent help when a pharmacy is closed, call NHS 111.

Source: NHS Business Services Authority (phone numbers: NHS Organisation Data Service), Open Government Licence v3.0. How we use it

Which vets are near CO3 3AA?

The nearest vets to the centre of CO3 3AA on OpenStreetMap, in a straight line. Each opens its entry on the map, with its opening hours and website where they are mapped.

OpenStreetMap may not have every vet. Out of hours, ring your own vet’s number first: the Royal College of Veterinary Surgeons says vets in practice must arrange round-the-clock emergency first aid and pain relief, themselves or through another service.

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Is CO3 3AA in a conservation area?

The centre of CO3 3AA is in one area with planning rules of its own, as planning.data.gov.uk holds them:

Work on a home here, and on its trees, may need permission that it would not need elsewhere. The council's planning team has the rules for one address. Not every council has sent all its data.

Source: planning.data.gov.uk, asked at the postcode's centre point. Open Government Licence v3.0. How we use it

How much crime is there near CO3 3AA?

Police.uk records 558 crimes and reports of anti-social behaviour within a mile of the centre of CO3 3AA in August 2026, the latest month it has published.

Violence and sexual offences215 reports
Anti-social behaviour76 reports
Shoplifting57 reports
Public order54 reports
Other theft40 reports
Criminal damage and arson38 reports

Also: drugs 17, vehicle crime 14, theft from the person 10, burglary 8, bicycle theft 8, possession of weapons 8, other crime 7, robbery 6.

Police.uk places each report at a nearby point, so this is an area, not a street.

Your local policing team on Police.uk How we work this out: crime by postcode, with the last 12 months

Source: data.police.uk, from its download of 30 September 2026, Open Government Licence v3.0. How we use it

The official record for CO3 3AA

Ward
Castle
Parish
Not in a parish
Region
East of England
Country
England
Built-up area
Colchester
Rural or urban
Urban, nearer to a major town or city
In use since
January 1980

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Around CO3 3AA

Go wider

Every postcode in the same sector, district or postcode area.

CO3 3 sector CO3 district CO postcode area Colchester postcodes

Questions about a postcode

Nearby postcodes

The nearest postcodes in use, measured in a straight line between centre points.

CO3 3AD30 mCO3 3EN50 mCO3 3FG60 mCO1 1NS70 mCO3 3ES70 mCO1 1NP110 m
All of CO3

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode. How we use it

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