CO3 3SX postcode in Colchester, Essex

CO3 3SX is a postcode in Colchester, in the Lexden and Braiswick 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 67% of homes and businesses at CO3 3SX can get it Across Colchester: 82% Typical price £312,500 Homes sold in CO3 3, last 12 months. ▲ 0.8% on the year before Nearest station Colchester 2.4 km in a straight line

Where CO3 3SX is, and what is near it

Map of CO3 3SX and what is near it Map of CO3 3SX: its centre point, with the 230 other postcodes in the CO3 3 sector, 4 schools (1 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 3 GP practices (2 beyond the edge, shown by arrows). North is up; the scale bar is 250 m. CO3 3BG: also in CO3 3CO3 3BN: also in CO3 3CO3 3BQ: also in CO3 3CO3 3FA: also in CO3 3CO3 3FJ: also in CO3 3CO3 3PD: also in CO3 3CO3 3QG: also in CO3 3CO3 3QN: also in CO3 3CO3 3QP: also in CO3 3CO3 3QQ: also in CO3 3CO3 3QR: also in CO3 3CO3 3QS: also in CO3 3CO3 3QT: also in CO3 3CO3 3QU: also in CO3 3CO3 3QW: also in CO3 3CO3 3RA: also in CO3 3CO3 3RB: also in CO3 3CO3 3RD: also in CO3 3CO3 3RF: also in CO3 3CO3 3RG: also in CO3 3CO3 3RH: also in CO3 3CO3 3RL: also in CO3 3CO3 3RN: also in CO3 3CO3 3RP: also in CO3 3CO3 3RQ: also in CO3 3CO3 3RR: also in CO3 3CO3 3RS: also in CO3 3CO3 3RT: also in CO3 3CO3 3RU: also in CO3 3CO3 3RW: also in CO3 3CO3 3RX: also in CO3 3CO3 3RY: also in CO3 3CO3 3SD: also in CO3 3CO3 3SE: also in CO3 3CO3 3SF: also in CO3 3CO3 3SG: also in CO3 3CO3 3SJ: also in CO3 3CO3 3SP: also in CO3 3CO3 3SQ: also in CO3 3CO3 3SR: also in CO3 3CO3 3SS: also in CO3 3CO3 3ST: also in CO3 3CO3 3SU: also in CO3 3CO3 3SY: also in CO3 3CO3 3SZ: also in CO3 3CO3 3TA: also in CO3 3CO3 3TB: also in CO3 3CO3 3TD: also in CO3 3CO3 3TE: also in CO3 3CO3 3TF: also in CO3 3CO3 3TJ: also in CO3 3CO3 3TL: also in CO3 3CO3 3TP: also in CO3 3CO3 3TR: also in CO3 3CO3 3TS: also in CO3 3CO3 3TT: also in CO3 3CO3 3TU: also in CO3 3CO3 3TW: also in CO3 3CO3 3TX: also in CO3 3CO3 3TY: also in CO3 3CO3 3TZ: also in CO3 3CO3 3UF: also in CO3 3CO3 3UJ: also in CO3 3CO3 3UL: also in CO3 3CO3 3UN: also in CO3 3CO3 3US: also in CO3 3CO3 3UZ: also in CO3 3CO3 3WD: also in CO3 3CO3 3WL: also in CO3 3 School 800 mGP 1.8 kmGP 1.8 kmColchester station 2.4 kmNew Town and Christ Church CO3 3SX Map of CO3 3SX and what is near it Map of CO3 3SX: its centre point, with the 230 other postcodes in the CO3 3 sector, 4 schools (2 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 3 GP practices (2 beyond the edge, shown by arrows). North is up; the scale bar is 250 m. School 700 mSchool 800 mGP 1.8 kmColchester station 2.4 kmNew Town and Christ Church CO3 3SX
  • CO3 3SX
  • Other postcodes in CO3 3: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 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 51.8860, longitude 0.8679)

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; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after CO3 3SX?

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 3SX?

Every home and business at CO3 3SX can get superfast broadband (30 Mbit/s or more) from a line, and 67% can get gigabit, Ofcom says.

Share of homes and businesses that can get it

Gigabit (1,000 Mbit/s)

CO3 3SX 67% Colchester 82%

Superfast (30 Mbit/s or more)

CO3 3SX 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 CO3 3SX?

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 3SX 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 3SX.

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 3SX: 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 3SX 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 3SX?

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 3SX

HM Land Registry records no standard sales of homes in CO3 3SX 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

What council tax band are homes near CO3 3SX?

The Valuation Office Agency counts about 650 homes in the neighbourhood around CO3 3SX. The largest share of them, 28%, are in council tax band C. More were built from 1945 to 1964 than in any other period (55%). 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 3SX

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 £4,566 (band H); band C, the most common, is £2,029.

BandHomes around hereA year
Band Aabout 10 (2%)£1,522
Band Babout 40 (6%)£1,776
Band Cabout 180 (28%)£2,029
Band Dabout 170 (26%)£2,283
Band Eabout 90 (14%)£2,790
Band Fabout 60 (9%)£3,297
Band Gabout 90 (14%)£3,805
Band Habout 10 (2%)£4,566

When the homes were built

  1. 6% Before 1900
  2. 2% 1900 to 1918
  3. 12% 1919 to 1939
  4. 55% 1945 to 1964
  5. 15% 1965 to 1982
  6. 9% 1983 to 1999
  7. 2% 2000 to 2009
  8. None 2010 to 2019
  9. None 2020 or later

2010 to 2019, 2020 or later: none of the homes the VOA counts here.

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 3SX is in (ONS area E01021673), 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 3SX?

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

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CO3 3SX, 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 3SX?

The nearest railway station to the centre of CO3 3SX is Colchester Rail Station, 2.4 km away in a straight line.

  • Colchester Rail Station Railway station 2.4 kmCycle
  • Colchester Town Rail Station Railway station 2.5 kmCycle

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

No bus stop within 400 metres in the Department for Transport's register.

More stations near CO3 3SX, 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 3SX?

The nearest GP practices to the centre of CO3 3SX, 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 3SX?

0 within 1 km 7 within 3 km

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

  • Osprey Charging point · No details mapped 1.7 kmCycle
  • A charging point Charging point · 4 chargers 2.4 kmCycle
  • Co-op Local Charging point · 2 chargers 2.7 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 3SX?

The nearest to the centre of CO3 3SX, 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 3SX?

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 3SX?

The nearest care homes to the centre of CO3 3SX, 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 3SX?

The nearest NHS pharmacies to the centre of CO3 3SX, 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 3SX?

The nearest vets to the centre of CO3 3SX 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 3SX in a conservation area?

The centre of CO3 3SX 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 CO3 3SX?

Police.uk records 117 crimes and reports of anti-social behaviour within a mile of the centre of CO3 3SX in August 2026, the latest month it has published.

Violence and sexual offences55 reports
Criminal damage and arson16 reports
Anti-social behaviour15 reports
Other theft9 reports
Public order8 reports
Vehicle crime5 reports

Also: burglary 4, shoplifting 3, other crime 2.

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 3SX

Ward
Lexden and Braiswick
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

Where to check what we do not hold

Around CO3 3SX

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 3SY190 mCO3 4EW230 mCO3 3SZ240 mCO3 4EP270 mCO3 4EN270 mCO3 3ST310 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

Check another postcode

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