CO12 postcode area house prices

CO12 has an average sold price of £151,164 across 14,947 HM Land Registry transactions covering 579 postcodes. The largest town grouping is Harwich.

Updated October 2026Records through August 2026HM Land Registry31+ million records

CO12 at a glance

CO12 postcode area averages £151,164 across 14,947 completed sales covering 579 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £151,164 · Median £142,750 · 14,947 transactions · +57.3% growth · 579 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 14,947 sales across 579 postcodes
Median check: £142,750; Mean and median differ — inspect local mix
Trend signal: +57.3%; The five-year price movement is +57.3%.
Coverage: 579 postcodes; Largest town: Harwich

CO12 Postcode Area Overview

The CO12 postcode area averages £151,164 across 14,947 registered sales — below the national average of £400,016 by -62.2%. The median price across constituent postcodes is £142,750, suggesting higher-value sales pull the mean upward. 579 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Harwich, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +57.3%, in line with national growth.

Postcodes in CO12

CO12 5FG£203,121 average171 sales CO12 5FE£188,260 average116 sales CO12 4FE£161,403 average110 sales CO12 3AR£74,418 average109 sales CO12 3SX£123,849 average108 sales CO12 4LL£97,760 average102 sales CO12 4PQ£80,431 average101 sales CO12 3HH£66,786 average99 sales CO12 3LP£101,440 average99 sales CO12 4PL£86,378 average99 sales CO12 4JP£78,570 average96 sales CO12 5HE£177,050 average93 sales CO12 4DS£128,796 average92 sales CO12 4PB£82,519 average91 sales CO12 4TL£213,799 average90 sales CO12 4WL£176,687 average90 sales CO12 3HT£86,870 average89 sales CO12 3SJ£114,088 average88 sales CO12 4NH£124,979 average85 sales CO12 4XN£143,414 average83 sales CO12 3BA£80,857 average82 sales CO12 4DY£100,289 average82 sales CO12 4XG£98,166 average82 sales CO12 3AH£97,885 average79 sales CO12 3PP£121,698 average79 sales CO12 4EA£116,667 average79 sales CO12 3SD£150,571 average77 sales CO12 4LH£119,254 average77 sales CO12 4PA£84,944 average77 sales CO12 5EJ£186,614 average75 sales CO12 3SL£121,406 average74 sales CO12 4WE£134,526 average74 sales CO12 4XD£93,392 average74 sales CO12 4PF£86,848 average72 sales CO12 4DX£89,252 average68 sales CO12 4ET£146,742 average68 sales CO12 4PH£100,252 average68 sales CO12 4WH£166,372 average68 sales CO12 4XE£110,432 average68 sales CO12 3FD£155,769 average67 sales CO12 4DA£87,644 average66 sales CO12 4PP£92,256 average65 sales CO12 3QQ£116,719 average64 sales CO12 3FF£180,407 average63 sales CO12 5FB£206,390 average63 sales CO12 5JF£169,778 average63 sales CO12 4UR£121,132 average62 sales CO12 4XW£110,918 average61 sales CO12 5AD£198,326 average61 sales CO12 3TA£205,543 average60 sales CO12 3TX£161,263 average60 sales CO12 3QG£124,115 average59 sales CO12 4RB£144,817 average59 sales CO12 5ER£115,564 average59 sales CO12 3SE£109,916 average58 sales CO12 3SF£153,913 average58 sales CO12 4NB£209,480 average58 sales CO12 4QA£103,051 average58 sales CO12 3HF£74,705 average57 sales CO12 4AG£119,295 average57 sales CO12 4UJ£132,034 average57 sales CO12 4UQ£159,340 average57 sales CO12 3PZ£76,854 average56 sales CO12 4EH£238,455 average56 sales CO12 3QN£102,289 average55 sales CO12 3JG£78,091 average54 sales CO12 3SS£224,569 average54 sales CO12 4JU£151,091 average54 sales CO12 4AU£165,190 average53 sales CO12 4BS£136,365 average53 sales CO12 4PD£85,913 average53 sales CO12 4RE£144,121 average53 sales CO12 4UN£183,788 average53 sales CO12 3RL£180,924 average52 sales CO12 3UL£166,044 average52 sales CO12 5FD£186,438 average52 sales CO12 3BD£109,287 average51 sales CO12 3BW£110,000 average50 sales CO12 3SU£262,829 average50 sales CO12 4AJ£131,145 average50 sales

Compare postcodes in CO12

Use the location comparison tool to put CO12 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

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Property valuation guide

Estimate a property value in the CO12 area

Professional valuers use recent sold prices as comparable evidence. In the CO12 area, the median sold price is £142,750 and the average is £151,164, based on 14,947 HM Land Registry transactions. Over five years, prices have moved +57.3%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £121,000–£164,000(±15% from median)

These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.

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Frequently asked questions

What is the average sold price in the CO12 postcode area?

The average sold price in CO12 is £151,164, based on 14,947 HM Land Registry transactions across 579 postcodes.

How does CO12 compare to the national average?

CO12 is -62.2% below the England and Wales national average of £400,016.

Are these figures valuations or asking prices?

No. These are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, asking prices or investment advice.

How many postcodes does the CO12 area cover?

The CO12 postcode area covers 579 individual postcodes with 14,947 registered sales. The largest town grouping is Harwich.

More about CO12

Harwich town Browse districts Market reports Methodology Compare locations Area guide: CO12

About this data

All sold price figures on this page come from HM Land Registry Price Paid Data for England and Wales, published under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right. These are historical completed sale prices — they are not current valuations, not forecasts and not investment advice. Past sale prices do not guarantee future values. Always seek independent professional advice before making property or financial decisions. Read the full methodology for details on data cleaning, grouping and limitations.