CO1 1YN postcode in Colchester, Essex

CO1 1YN 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 July 1995.

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 25% of homes and businesses at CO1 1YN can get it Across Colchester: 82% Typical price £245,000 Homes sold in CO1 1, last 12 months. ▲ 1.2% on the year before Nearest station Colchester 1.2 km in a straight line

Where CO1 1YN is, and what is near it

Map of CO1 1YN and what is near it Map of CO1 1YN: its centre point, with the 233 other postcodes in the CO1 1 sector, 4 schools (1 beyond the edge, shown by arrows), 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices, 4 bus stops and 1 EV charging point. North is up; the scale bar is 500 m. CO1 1AA: also in CO1 1CO1 1AG: also in CO1 1CO1 1AH: also in CO1 1CO1 1AJ: also in CO1 1CO1 1AN: also in CO1 1CO1 1AP: also in CO1 1CO1 1AQ: also in CO1 1CO1 1AT: also in CO1 1CO1 1AU: also in CO1 1CO1 1AW: also in CO1 1CO1 1AZ: also in CO1 1CO1 1BE: also in CO1 1CO1 1BG: also in CO1 1CO1 1BQ: also in CO1 1CO1 1BX: also in CO1 1CO1 1BY: also in CO1 1CO1 1BZ: also in CO1 1CO1 1DA: also in CO1 1CO1 1DB: also in CO1 1CO1 1DF: also in CO1 1CO1 1DG: also in CO1 1CO1 1DH: also in CO1 1CO1 1DJ: also in CO1 1CO1 1DL: also in CO1 1CO1 1DN: also in CO1 1CO1 1DS: also in CO1 1CO1 1DU: also in CO1 1CO1 1DX: also in CO1 1CO1 1DZ: also in CO1 1CO1 1EA: also in CO1 1CO1 1ED: also in CO1 1CO1 1EE: also in CO1 1CO1 1EG: also in CO1 1CO1 1EH: also in CO1 1CO1 1EJ: also in CO1 1CO1 1EL: also in CO1 1CO1 1EN: also in CO1 1CO1 1EQ: also in CO1 1CO1 1ES: also in CO1 1CO1 1EU: also in CO1 1CO1 1EW: also in CO1 1CO1 1EY: also in CO1 1CO1 1EZ: also in CO1 1CO1 1FA: also in CO1 1CO1 1FB: also in CO1 1CO1 1FF: also in CO1 1CO1 1FQ: also in CO1 1CO1 1FW: also in CO1 1CO1 1GD: also in CO1 1CO1 1GJ: also in CO1 1CO1 1GP: also in CO1 1CO1 1GQ: also in CO1 1CO1 1GX: also in CO1 1CO1 1GY: also in CO1 1CO1 1HA: also in CO1 1CO1 1HB: also in CO1 1CO1 1HD: also in CO1 1CO1 1HE: also in CO1 1CO1 1HF: also in CO1 1CO1 1HG: also in CO1 1CO1 1HJ: also in CO1 1CO1 1HL: also in CO1 1CO1 1HN: also in CO1 1CO1 1HP: also in CO1 1CO1 1HQ: also in CO1 1CO1 1HR: also in CO1 1CO1 1HS: also in CO1 1CO1 1HU: also in CO1 1CO1 1HW: also in CO1 1CO1 1HZ: also in CO1 1CO1 1JG: also in CO1 1CO1 1JH: also in CO1 1CO1 1JQ: also in CO1 1CO1 1JR: also in CO1 1CO1 1JS: also in CO1 1CO1 1JW: also in CO1 1CO1 1JX: also in CO1 1CO1 1JZ: also in CO1 1CO1 1LB: also in CO1 1CO1 1LD: also in CO1 1CO1 1LE: also in CO1 1CO1 1LF: also in CO1 1CO1 1LG: also in CO1 1CO1 1LH: also in CO1 1CO1 1LQ: also in CO1 1CO1 1LU: also in CO1 1CO1 1LY: also in CO1 1CO1 1NF: also in CO1 1CO1 1NG: also in CO1 1CO1 1NJ: also in CO1 1CO1 1NN: also in CO1 1CO1 1NQ: also in CO1 1CO1 1NX: also in CO1 1CO1 1NY: also in CO1 1CO1 1NZ: also in CO1 1CO1 1PA: also in CO1 1CO1 1PG: also in CO1 1CO1 1PJ: also in CO1 1CO1 1PN: also in CO1 1CO1 1PR: also in CO1 1CO1 1PT: also in CO1 1CO1 1PW: also in CO1 1CO1 1PX: also in CO1 1CO1 1PY: also in CO1 1CO1 1QD: also in CO1 1CO1 1QE: also in CO1 1CO1 1QG: also in CO1 1CO1 1QH: also in CO1 1CO1 1QJ: also in CO1 1CO1 1QP: also in CO1 1CO1 1QR: also in CO1 1CO1 1QS: also in CO1 1CO1 1QT: also in CO1 1CO1 1QW: also in CO1 1CO1 1QX: also in CO1 1CO1 1QY: also in CO1 1CO1 1RA: also in CO1 1CO1 1RB: also in CO1 1CO1 1RD: also in CO1 1CO1 1RE: also in CO1 1CO1 1RH: also in CO1 1CO1 1RJ: also in CO1 1CO1 1RL: also in CO1 1CO1 1RN: also in CO1 1CO1 1RP: also in CO1 1CO1 1RQ: also in CO1 1CO1 1RR: also in CO1 1CO1 1RS: also in CO1 1CO1 1RT: also in CO1 1CO1 1RU: also in CO1 1CO1 1RX: also in CO1 1CO1 1RY: also in CO1 1CO1 1RZ: also in CO1 1CO1 1SA: also in CO1 1CO1 1SB: also in CO1 1CO1 1SE: also in CO1 1CO1 1SF: also in CO1 1CO1 1SG: also in CO1 1CO1 1SH: also in CO1 1CO1 1SJ: also in CO1 1CO1 1SN: also in CO1 1CO1 1SP: also in CO1 1CO1 1SQ: also in CO1 1CO1 1SR: also in CO1 1CO1 1SS: also in CO1 1CO1 1ST: also in CO1 1CO1 1SU: also in CO1 1CO1 1SZ: also in CO1 1CO1 1TB: also in CO1 1CO1 1TD: also in CO1 1CO1 1TH: also in CO1 1CO1 1TJ: also in CO1 1CO1 1TL: also in CO1 1CO1 1TN: also in CO1 1CO1 1TP: also in CO1 1CO1 1TS: also in CO1 1CO1 1TT: also in CO1 1CO1 1TW: also in CO1 1CO1 1TY: also in CO1 1CO1 1UA: also in CO1 1CO1 1UB: also in CO1 1CO1 1UD: also in CO1 1CO1 1UE: also in CO1 1CO1 1UF: also in CO1 1CO1 1UG: also in CO1 1CO1 1UL: also in CO1 1CO1 1UN: also in CO1 1CO1 1UP: also in CO1 1CO1 1UR: also in CO1 1CO1 1US: also in CO1 1CO1 1UT: also in CO1 1CO1 1UU: also in CO1 1CO1 1UW: also in CO1 1CO1 1UX: also in CO1 1CO1 1UZ: also in CO1 1CO1 1WB: also in CO1 1CO1 1WD: also in CO1 1CO1 1WG: also in CO1 1CO1 1WJ: also in CO1 1CO1 1WN: also in CO1 1CO1 1WR: also in CO1 1CO1 1WW: also in CO1 1CO1 1XA: also in CO1 1CO1 1XD: also in CO1 1CO1 1XF: also in CO1 1CO1 1XJ: also in CO1 1CO1 1XL: also in CO1 1CO1 1XN: also in CO1 1CO1 1XP: also in CO1 1CO1 1XR: also in CO1 1CO1 1XS: also in CO1 1CO1 1XT: also in CO1 1CO1 1XW: also in CO1 1CO1 1XX: also in CO1 1CO1 1XY: also in CO1 1CO1 1XZ: also in CO1 1CO1 1YA: also in CO1 1CO1 1YD: also in CO1 1CO1 1YE: also in CO1 1CO1 1YF: also in CO1 1CO1 1YH: also in CO1 1CO1 1ZP: also in CO1 1CO1 1ZR: also in CO1 1CO1 1ZS: also in CO1 1CO1 1ZU: also in CO1 1CO1 1ZX: also in CO1 1CO1 1ZY: also in CO1 1 School 1.8 kmCastle CO1 1YN Map of CO1 1YN and what is near it Map of CO1 1YN: its centre point, with the 233 other postcodes in the CO1 1 sector, 4 schools (1 beyond the edge, shown by arrows), 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices, 4 bus stops and 1 EV charging point. North is up; the scale bar is 500 m. Castle CO1 1YN
  • CO1 1YN
  • Other postcodes in CO1 1: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 4 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 51.8985, longitude 0.9100)

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 CO1 1YN?

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 CO1 1YN?

Every home and business at CO1 1YN can get superfast broadband (30 Mbit/s or more) from a line, and 25% can get gigabit, Ofcom says.

Share of homes and businesses that can get it

Gigabit (1,000 Mbit/s)

CO1 1YN 25% Colchester 82%

Superfast (30 Mbit/s or more)

CO1 1YN 100% Colchester 97%
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 CO1 1YN?

BinDayBuddy reads bin days from councils' own collection systems. It may have the days for CO1 1YN.

Check the bin days for CO1 1YN on BinDayBuddy

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 CO1 1YN 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 CO1 1YN.

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 CO1 1YN: 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 CO1 1YN 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 CO1 1YN?

Homes in CO1 1 sold for a typical £245,000 in the 12 months to August 2026, across 81 sales, up 1.2% on the 12 months before, HM Land Registry's figures show.

£245,000 typical price, the 12 months to August 2026
£242,000 12 months to August 2025
▲ up 1.2% on the 12 months before
  • Detached £400,000 5 sales
  • Semi-detached £317,500 10 sales
  • Terraced £280,000 28 sales
  • Flat or maisonette £165,000 38 sales

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

Across the whole CO1 district: a typical £237,750 from 226 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 CO1 1YN

HM Land Registry records no standard sales of homes in CO1 1YN 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 CO1 1YN

The Food Standards Agency lists one food business at CO1 1YN. 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 CO1 1YN?

The Valuation Office Agency counts about 1,280 homes in the neighbourhood around CO1 1YN. The largest share of them, 36%, are in council tax band C. More were built from 1965 to 1982 than in any other period (26%). 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 CO1 1YN

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 £3,297 (band F); band C, the most common, is £2,029.

BandHomes around hereA year
Band Aabout 30 (2%)£1,522
Band Babout 400 (31%)£1,776
Band Cabout 460 (36%)£2,029
Band Dabout 300 (23%)£2,283
Band Eabout 80 (6%)£2,790
Band Fabout 10 (1%)£3,297
Band Gwithheld£3,805
Band Hfewer than 5£4,566

When the homes were built

  1. 9% Before 1900
  2. 1% 1900 to 1918
  3. 12% 1919 to 1939
  4. 3% 1945 to 1964
  5. 26% 1965 to 1982
  6. 2% 1983 to 1999
  7. 18% 2000 to 2009
  8. 10% 2010 to 2019
  9. 21% 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 CO1 1YN is in (ONS area E01021647), 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 CO1 1YN?

The nearest open schools to CO1 1YN, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CO1 1YN, 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 CO1 1YN?

The nearest railway station to the centre of CO1 1YN is Colchester Rail Station, 1.2 km away in a straight line.

  • Colchester Rail Station Railway station 1.2 kmCycle
  • Colchester Town 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.

4 bus stops within 400 metres, the nearest BT Centre, 269 m away.

More stations near CO1 1YN, 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 CO1 1YN?

The nearest GP practices to the centre of CO1 1YN, 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 CO1 1YN?

1 within 1 km 5 within 3 km

The nearest charging points to the centre of CO1 1YN, as OpenStreetMap had them on 20 October 2026:

  • Bp Pulse Charging point · 4 chargers 800 mWalk
  • Osprey Charging point · No details mapped 1.5 kmCycle
  • Co-op Local Charging point · 2 chargers 2.1 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 CO1 1YN?

The nearest to the centre of CO1 1YN, 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 CO1 1YN?

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 CO1 1YN?

The nearest care homes to the centre of CO1 1YN, in a straight line, with the Care Quality Commission's latest overall rating.

  • Mercers Care Quality Commission rating: Good CQC report February 2019, over 3 years old · Phone 01206 570226 700 mWalk
  • Gables Care Quality Commission rating: Good CQC report December 2019, over 3 years old · Phone 01206 841515 900 mWalk
  • Priory Lodge Care Quality Commission rating: Requires improvement CQC report March 2026 · Phone 01206 797243 1.0 kmWalk

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 CO1 1YN?

The nearest NHS pharmacies to the centre of CO1 1YN, 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 CO1 1YN?

The nearest vets to the centre of CO1 1YN 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 CO1 1YN in a conservation area?

The centre of CO1 1YN is not in any conservation area, listed building, tree preservation area, green belt or protected landscape that planning.data.gov.uk holds. Not every council has sent all its data, so check with the council before relying on it.

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 CO1 1YN?

Police.uk records 509 crimes and reports of anti-social behaviour within a mile of the centre of CO1 1YN in August 2026, the latest month it has published.

Violence and sexual offences196 reports
Anti-social behaviour74 reports
Shoplifting70 reports
Public order37 reports
Criminal damage and arson34 reports
Other theft27 reports

Also: vehicle crime 14, drugs 11, burglary 10, theft from the person 9, possession of weapons 8, bicycle theft 7, robbery 7, other crime 5.

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 CO1 1YN

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
July 1995

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

Around CO1 1YN

Go wider

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

CO1 1 sector CO1 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.

CO1 1QE140 mCO1 1QD180 mCO1 1NJ200 mCO1 1XZ210 mCO1 1XX210 mCO1 1QH220 m
All of CO1

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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