West Mersea

West Mersea is covered by postcode district CO5. It is in the Colchester council area, Essex.

Typical price £382,500 Homes sold in West Mersea, last 12 months. ▼ 10.3% on the year before Gigabit broadband 33 of 221 postcodes where every home and business can get it Flooding Some at high risk 23 of 223 postcodes have a home or business in an area at risk; 208 homes and businesses at high or medium risk Schools 1 1 primary school at its postcodes

Every postcode in West Mersea, by flood risk

Map of every postcode in West Mersea, by flood risk Of the 223 postcodes in West Mersea that ONS places, 14 have a home or business at high risk, 3 are at medium risk at worst, 5 are at low risk at worst, 1 are at very low risk only and 200 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 5 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: West Mersea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. CO5 8AA: not on the flood risk listCO5 8AB: not on the flood risk listCO5 8AD: not on the flood risk listCO5 8AE: not on the flood risk listCO5 8AF: not on the flood risk listCO5 8AG: not on the flood risk listCO5 8AH: not on the flood risk listCO5 8AJ: not on the flood risk listCO5 8AN: not on the flood risk listCO5 8AP: not on the flood risk listCO5 8AS: not on the flood risk listCO5 8AU: not on the flood risk listCO5 8AW: not on the flood risk listCO5 8AX: not on the flood risk listCO5 8AY: not on the flood risk listCO5 8AZ: not on the flood risk listCO5 8BA: not on the flood risk listCO5 8BB: not on the flood risk listCO5 8BD: not on the flood risk listCO5 8BE: not on the flood risk listCO5 8BG: not on the flood risk listCO5 8BH: not on the flood risk listCO5 8BJ: not on the flood risk listCO5 8BL: not on the flood risk listCO5 8BN: not on the flood risk listCO5 8BQ: not on the flood risk listCO5 8BS: not on the flood risk listCO5 8BT: not on the flood risk listCO5 8BU: not on the flood risk listCO5 8BW: not on the flood risk listCO5 8BY: not on the flood risk listCO5 8DE: not on the flood risk listCO5 8DG: not on the flood risk listCO5 8DH: not on the flood risk listCO5 8DJ: not on the flood risk listCO5 8DL: not on the flood risk listCO5 8DN: not on the flood risk listCO5 8DP: not on the flood risk listCO5 8DQ: not on the flood risk listCO5 8DR: not on the flood risk listCO5 8DS: not on the flood risk listCO5 8DT: not on the flood risk listCO5 8DU: not on the flood risk listCO5 8DX: not on the flood risk listCO5 8DY: not on the flood risk listCO5 8DZ: not on the flood risk listCO5 8EA: not on the flood risk listCO5 8EB: not on the flood risk listCO5 8ED: not on the flood risk listCO5 8EE: not on the flood risk listCO5 8EF: not on the flood risk listCO5 8EG: not on the flood risk listCO5 8EH: not on the flood risk listCO5 8EJ: not on the flood risk listCO5 8EL: not on the flood risk listCO5 8EN: not on the flood risk listCO5 8EP: not on the flood risk listCO5 8EQ: not on the flood risk listCO5 8ER: not on the flood risk listCO5 8ES: not on the flood risk listCO5 8ET: not on the flood risk listCO5 8EU: not on the flood risk listCO5 8EW: not on the flood risk listCO5 8EX: not on the flood risk listCO5 8EY: not on the flood risk listCO5 8EZ: not on the flood risk listCO5 8FA: not on the flood risk listCO5 8FJ: not on the flood risk listCO5 8FL: not on the flood risk listCO5 8FN: not on the flood risk listCO5 8FP: not on the flood risk listCO5 8FR: not on the flood risk listCO5 8GE: not on the flood risk listCO5 8GF: not on the flood risk listCO5 8GG: not on the flood risk listCO5 8GH: not on the flood risk listCO5 8GJ: not on the flood risk listCO5 8GL: not on the flood risk listCO5 8GN: not on the flood risk listCO5 8GP: not on the flood risk listCO5 8GQ: not on the flood risk listCO5 8GS: not on the flood risk listCO5 8GW: not on the flood risk listCO5 8GY: not on the flood risk listCO5 8GZ: not on the flood risk listCO5 8HA: not on the flood risk listCO5 8HB: not on the flood risk listCO5 8HD: not on the flood risk listCO5 8HE: not on the flood risk listCO5 8HG: not on the flood risk listCO5 8HH: not on the flood risk listCO5 8HJ: not on the flood risk listCO5 8HL: not on the flood risk listCO5 8HN: not on the flood risk listCO5 8HP: not on the flood risk listCO5 8HR: not on the flood risk listCO5 8HT: not on the flood risk listCO5 8HU: not on the flood risk listCO5 8HW: not on the flood risk listCO5 8HZ: not on the flood risk listCO5 8JA: not on the flood risk listCO5 8JB: not on the flood risk listCO5 8JD: not on the flood risk listCO5 8JE: not on the flood risk listCO5 8JF: not on the flood risk listCO5 8JH: not on the flood risk listCO5 8JJ: not on the flood risk listCO5 8JL: not on the flood risk listCO5 8JN: not on the flood risk listCO5 8JP: not on the flood risk listCO5 8JR: not on the flood risk listCO5 8JS: not on the flood risk listCO5 8JT: not on the flood risk listCO5 8JU: not on the flood risk listCO5 8JX: not on the flood risk listCO5 8JY: not on the flood risk listCO5 8JZ: not on the flood risk listCO5 8LA: not on the flood risk listCO5 8LB: not on the flood risk listCO5 8LE: not on the flood risk listCO5 8LF: not on the flood risk listCO5 8LG: not on the flood risk listCO5 8LH: not on the flood risk listCO5 8LJ: not on the flood risk listCO5 8LL: not on the flood risk listCO5 8LN: not on the flood risk listCO5 8LP: not on the flood risk listCO5 8LX: not on the flood risk listCO5 8LY: not on the flood risk listCO5 8LZ: not on the flood risk listCO5 8ND: not on the flood risk listCO5 8NF: not on the flood risk listCO5 8NG: not on the flood risk listCO5 8NH: not on the flood risk listCO5 8NJ: not on the flood risk listCO5 8NL: not on the flood risk listCO5 8NN: not on the flood risk listCO5 8NQ: not on the flood risk listCO5 8NR: not on the flood risk listCO5 8PB: not on the flood risk listCO5 8PL: not on the flood risk listCO5 8PN: not on the flood risk listCO5 8PP: not on the flood risk listCO5 8PR: not on the flood risk listCO5 8PS: not on the flood risk listCO5 8PT: not on the flood risk listCO5 8PU: not on the flood risk listCO5 8PX: not on the flood risk listCO5 8PY: not on the flood risk listCO5 8PZ: not on the flood risk listCO5 8QA: not on the flood risk listCO5 8QD: not on the flood risk listCO5 8QE: not on the flood risk listCO5 8QF: not on the flood risk listCO5 8QG: not on the flood risk listCO5 8QJ: not on the flood risk listCO5 8QL: not on the flood risk listCO5 8QN: not on the flood risk listCO5 8QP: not on the flood risk listCO5 8QQ: not on the flood risk listCO5 8QR: not on the flood risk listCO5 8QS: not on the flood risk listCO5 8QT: not on the flood risk listCO5 8QU: not on the flood risk listCO5 8QW: not on the flood risk listCO5 8QX: not on the flood risk listCO5 8QY: not on the flood risk listCO5 8QZ: not on the flood risk listCO5 8RA: not on the flood risk listCO5 8RB: not on the flood risk listCO5 8RD: not on the flood risk listCO5 8RE: not on the flood risk listCO5 8RF: not on the flood risk listCO5 8RG: not on the flood risk listCO5 8RH: not on the flood risk listCO5 8RJ: not on the flood risk listCO5 8RL: not on the flood risk listCO5 8RN: not on the flood risk listCO5 8RP: not on the flood risk listCO5 8RR: not on the flood risk listCO5 8RS: not on the flood risk listCO5 8RT: not on the flood risk listCO5 8RW: not on the flood risk listCO5 8RX: not on the flood risk listCO5 8RY: not on the flood risk listCO5 8RZ: not on the flood risk listCO5 8SA: not on the flood risk listCO5 8SB: not on the flood risk listCO5 8SD: not on the flood risk listCO5 8SQ: not on the flood risk listCO5 8SR: not on the flood risk listCO5 8TH: not on the flood risk listCO5 8UD: not on the flood risk listCO5 8UG: not on the flood risk listCO5 8UQ: not on the flood risk listCO5 8XB: not on the flood risk listCO5 8XR: not on the flood risk listCO5 8YL: not on the flood risk listCO5 8NE: very low flood risk onlyCO5 8AT: low flood risk at worstCO5 8BP: low flood risk at worstCO5 8BX: low flood risk at worstCO5 8BZ: low flood risk at worstCO5 8NY: low flood risk at worstCO5 8AL: medium flood risk at worstCO5 8AR: medium flood risk at worstCO5 8DB: medium flood risk at worstCO5 8AQ: high flood riskCO5 8DA: high flood riskCO5 8DD: high flood riskCO5 8LS: high flood riskCO5 8LT: high flood riskCO5 8NA: high flood riskCO5 8NS: high flood riskCO5 8NT: high flood riskCO5 8NU: high flood riskCO5 8NW: high flood riskCO5 8NX: high flood riskCO5 8PA: high flood riskCO5 8PG: high flood riskCO5 8PH: high flood risk West Mersea 5 postcodes at high or medium risk, outlined: this goes to CO5 8DD, the one with most homes and businesses at high risk5 postcodes at high or medium risk5 postcodes at high or medium risk, outlined: this goes to CO5 8PA, the one with most homes and businesses at high risk5 postcodes at high or medium risk Map of every postcode in West Mersea, by flood risk Of the 223 postcodes in West Mersea that ONS places, 14 have a home or business at high risk, 3 are at medium risk at worst, 5 are at low risk at worst, 1 are at very low risk only and 200 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 5 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: West Mersea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. West Mersea 5 postcodes at high or medium risk, outlined: this goes to CO5 8DD, the one with most homes and businesses at high risk5 postcodes at high or medium risk
  • A home or business at high risk: 14
  • At medium risk at worst: 3
  • At low risk at worst: 5
  • At very low risk only: 1
  • Not on the at-risk list: 200
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 223 postcodes in West Mersea that ONS places, 14 have a home or business at high risk, 3 are at medium risk at worst, 5 are at low risk at worst, 1 are at very low risk only and 200 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. A dashed outline shows where 5 or more lie within 160 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 51.7791, longitude 0.9183. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at high risk

14 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

CO5 8DA30 at high riskCO5 8PH23 at high riskCO5 8NS19 at high riskCO5 8PA13 at high riskCO5 8NX13 at high riskCO5 8LT12 at high riskCO5 8LS11 at high riskCO5 8NA8 at high riskCO5 8NW6 at high riskCO5 8NU5 at high riskCO5 8DD4 at high riskCO5 8AQ2 at high risk

Where the postcodes at high or medium risk lie together

  • 5 postcodes at high or medium risk, outlined on the map. CO5 8DD, is the one with most homes and businesses at high risk.
  • 5 postcodes at high or medium risk, outlined on the map. CO5 8PA, is the one with most homes and businesses at high risk.

What is it like to live in West Mersea?

Homes sold for a typical £382,500 in the 12 months to August 2026, down 10.3% on the 12 months before. At 33 of the 221 postcodes Ofcom reports on, every home and business can get gigabit broadband. The Environment Agency counts 208 homes and businesses at high or medium risk of flooding from rivers or the sea, at 23 of its 223 postcodes. It has 1 primary school at its postcodes. One GP practice is at its postcodes. The nearest railway station is Wivenhoe, 9.0 km from the middle of its postcodes in a straight line.

We don't rate places; here are the figures so you can judge.

Source: HM Land Registry, Ofcom, the Environment Agency, the Department for Education, NHS England and the Department for Transport, as each section of this page says. See all our data sources

What do homes cost in West Mersea?

Homes in West Mersea sold for a typical £382,500 in the 12 months to August 2026, across 82 sales, down 10.3% on the 12 months before, HM Land Registry's figures show.

£382,500 typical price, the 12 months to August 2026
£426,250 12 months to August 2025
▼ down 10.3% on the 12 months before
  • Detached £440,000 54 sales
  • Semi-detached £355,000 13 sales
  • Terraced £301,545 8 sales
  • Flat or maisonette £212,500 7 sales

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

Across the whole CO5 district, West Mersea's main postcode district: a typical £375,000.

Sales at the postcodes ONS places in West Mersea: standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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

Are new homes being built in West Mersea?

6 of the 223 postcodes now in use in West Mersea came into use in January 2020 or later, ONS says. In the 12 months to August 2025, 11 of the 130 homes sold in West Mersea were newly built (8%), HM Land Registry's records show; across the CO5 district, 21%.

The newest postcodes

CO5 8YLsince January 2025CO5 8FPsince October 2023CO5 8FJsince May 2023CO5 8FNsince December 2022CO5 8FRsince November 2022CO5 8FLsince September 2021

A new postcode is often a new street or estate, but Royal Mail also makes new postcodes when it reorganises old ones, so not every one means new homes. Only postcodes still in use are counted.

New homes among the homes sold

PeriodIn West MerseaAcross the CO5 district
The 12 months to August 2026 1 of 82 (1%) 13 of 390 (3%)
The 12 months to August 2025 11 of 130 (8%) 130 of 617 (21%)

Standard sales of homes at market value that HM Land Registry marks as newly built. New homes take longer to be registered than other sales, so the latest 12 months count fewer of them than were sold. A share is given from 5 sales or more.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026; HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021, Open Government Licence v3.0. How we use it

What broadband can you get in West Mersea?

Ofcom reports on 221 of the 223 postcodes in West Mersea. At 33 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit33 of 221
Postcodes where every home can get superfast215 of 221

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

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

Is West Mersea at risk of flooding?

23 of the 223 postcodes in West Mersea have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 208 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 23 of 223 postcodes High: 148Medium: 60Low: 50Very low: 2

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

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

Which schools are in West Mersea?

The primary schools are at the postcodes in West Mersea. There is no secondary school at its postcodes; these are the nearest to its middle. Distances are straight lines from the middle of its postcodes. Distance is not a catchment: each council sets its own admission rules.

Primary

Secondary

Find and compare schools in England, on GOV.UK

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

How far is the station from West Mersea?

The nearest railway station to the centre point of the postcodes in West Mersea is Wivenhoe Rail Station, 9.0 km away in a straight line.

  • Wivenhoe Rail Station Railway station 9.0 kmDrive
  • Alresford (Essex) Rail Station Railway station 9.9 kmDrive
  • Hythe (Essex) Rail Station Railway station 11.9 kmDrive

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

Straight-line distances from the middle of the postcodes, not routes. Each postcode page lists its own nearest stations and bus stops. The Department for Transport's register does not say how often services run.

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

Which GP surgeries are in West Mersea?

The GP practices at the postcodes in West Mersea. Each practice sets the area it takes patients from, so check with it before registering.

Find a GP on the NHS website

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

Is West Mersea safe? Crime recorded around it

Police.uk records 303 crimes and reports of anti-social behaviour within a mile of the middle of the postcodes in West Mersea over the 12 months from September 2025 to August 2026. August 2026 is the latest month it has published. These are counts, not a rate: we hold no count of the people who live, work or pass through, so we do not say whether a place is safe.

Each month, September 2025 to August 2026

  1. 31 September 2025
  2. 26 October 2025
  3. 30 November 2025
  4. 20 December 2025
  5. 19 January 2026
  6. 19 February 2026
  7. 24 March 2026
  8. 19 April 2026
  9. 42 May 2026
  10. 25 June 2026
  11. 28 July 2026
  12. 20 August 2026

By kind, over the 12 months

Violence and sexual offences137 reports
Anti-social behaviour36 reports
Criminal damage and arson36 reports
Other theft29 reports
Public order25 reports
Burglary9 reports
Shoplifting8 reports
Drugs7 reports

Also: other crime 7, vehicle crime 6, theft from the person 1, bicycle theft 1, possession of weapons 1.

Police.uk says its locations "always represent the approximate location of a crime". Each crime is moved to the nearest of a fixed list of map points, each over a street centre, a public place or a commercial premises, chosen so that every point covers at least eight addresses or none. A mile is a wide circle: in a town it takes in the centre and its shops, where much crime is recorded.

Crime around one postcode

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

Who runs West Mersea?

District, borough or city council
Colchester
County council
Essex
Parliamentary constituency
Harwich and North Essex
Police force area
Essex
Region
East of England
Country
England
MP
Sir Bernard Jenkin (Conservative)

All 223 postcodes here share these. Wards differ: check a postcode for yours. What council am I in?

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

Moving to West Mersea

Who to tell and what to sort out in your first week.

Who to tell when moving house: the full list Moving house checklist

West Mersea postcodes

223 postcodes in use in West Mersea, by district:

CO5 postcode district,223 postcodes

That district is in the CO postcode area.

Check a West Mersea postcode

Enter a full postcode to see its ward, its flood risk, house prices in its sector and its nearest schools.

Do not know the postcode? What is my postcode?

Places near West Mersea

With the typical price of a home in each, to set beside West Mersea's £382,500. Distances are straight lines between the middles of each place's postcodes.

Tollesbury6.0 km, £332,000Brightlingsea8.3 km, £268,000Rowhedge8.8 km, £303,750Berechurch9.2 km, £285,000Wivenhoe9.6 km, £320,000Alresford10.1 km, £330,000St Osyth11.5 km, £237,500Tiptree12.3 km, £350,000 All places A to Z

Questions about West Mersea

What is it like to live in West Mersea?
Homes sold for a typical £382,500 in the 12 months to August 2026, down 10.3% on the 12 months before. At 33 of the 221 postcodes Ofcom reports on, every home and business can get gigabit broadband. The Environment Agency counts 208 homes and businesses at high or medium risk of flooding from rivers or the sea, at 23 of its 223 postcodes. It has 1 primary school at its postcodes. One GP practice is at its postcodes. The nearest railway station is Wivenhoe, 9.0 km from the middle of its postcodes in a straight line. We don't rate places; here are the figures so you can judge. Source: HM Land Registry, Ofcom, the Environment Agency, the Department for Education, NHS England and the Department for Transport, as each section of this page says.
What is the postcode for West Mersea?
West Mersea is covered by postcode district CO5, across 223 postcodes in use. Source: ONS Postcode Directory.
Which council is West Mersea in?
West Mersea is in the Colchester council area, and Essex is its county council. Source: ONS Postcode Directory.
Who is the MP for West Mersea?
West Mersea is in the Harwich and North Essex parliamentary constituency. Its MP is Sir Bernard Jenkin (Conservative), as UK Parliament listed them on 14 October 2026. Constituency: ONS Postcode Directory.
How much are houses in West Mersea?
Homes in West Mersea sold for a typical £382,500 in the 12 months to August 2026, across 82 sales, down 10.3% on the 12 months before. Source: HM Land Registry Price Paid Data, files dated 28 September 2026.
What schools are in West Mersea?
In West Mersea, primary schools at its postcodes include Mersea Island School; the nearest secondary school to the middle of its postcodes is Colne Community School, 8.5 km away in a straight line. Source: Department for Education, Get Information about Schools, read 17 October 2026.
Does West Mersea have a railway station?
The nearest railway station to the centre point of the postcodes in West Mersea is Wivenhoe, 9.0 km away in a straight line. Source: Department for Transport, NaPTAN, read 17 October 2026.
What broadband can you get in West Mersea?
Ofcom reports on 221 of the 223 postcodes in West Mersea. At 33 of them every home and business can get gigabit broadband. Source: Ofcom, Connected Nations, Spring 2026.
Is West Mersea at risk of flooding?
23 of the 223 postcodes in West Mersea have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 208 homes and businesses in an area at high or medium risk. This is long-term risk for the land, and leaves out surface water. Source: Environment Agency.
Are new homes being built in West Mersea?
6 of the 223 postcodes now in use in West Mersea came into use in January 2020 or later, ONS says. In the 12 months to August 2025, 11 of the 130 homes sold in West Mersea were newly built (8%), HM Land Registry's records show; across the CO5 district, 21%. Source: ONS Postcode Directory and HM Land Registry Price Paid Data.

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