CM1 postcode area house prices

CM1 has an average sold price of £273,236 across 37,133 HM Land Registry transactions covering 1,275 postcodes. The largest town grouping is Chelmsford.

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

CM1 at a glance

CM1 postcode area averages £273,236 across 37,133 completed sales covering 1,275 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £273,236 · Median £245,000 · 37,133 transactions · +481.2% growth · 1,275 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 37,133 sales across 1,275 postcodes
Median check: £245,000; Mean and median differ — inspect local mix
Trend signal: +481.2%; The five-year price movement is +481.2%.
Coverage: 1,275 postcodes; Largest town: Chelmsford

CM1 Postcode Area Overview

The CM1 postcode area averages £273,236 across 37,133 registered sales — below the national average of £400,016 by -31.7%. The median price across constituent postcodes is £245,000, suggesting higher-value sales pull the mean upward. 1,275 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Chelmsford, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +481.2%, in line with national growth.

Postcodes in CM1

CM1 3EW£113,933 average290 sales CM1 1UE£129,423 average285 sales CM1 6ED£246,719 average251 sales CM1 7BG£160,369 average188 sales CM1 1GP£232,813 average158 sales CM1 4DD£139,232 average151 sales CM1 1EA£94,065 average149 sales CM1 4NQ£107,725 average149 sales CM1 6PJ£182,497 average148 sales CM1 6LB£118,260 average147 sales CM1 3GH£167,872 average145 sales CM1 2RG£193,758 average142 sales CM1 3GS£178,124 average141 sales CM1 2RF£216,148 average139 sales CM1 6XZ£99,485 average135 sales CM1 1GS£238,889 average134 sales CM1 6NL£157,575 average132 sales CM1 4XA£124,002 average129 sales CM1 6FJ£124,238 average129 sales CM1 1RG£213,992 average127 sales CM1 3GN£171,188 average126 sales CM1 6GQ£141,851 average125 sales CM1 3GU£215,833 average124 sales CM1 7BU£221,497 average117 sales CM1 3NX£236,435 average115 sales CM1 1RE£171,442 average113 sales CM1 2RH£188,842 average113 sales CM1 3GW£192,228 average113 sales CM1 6ST£163,052 average113 sales CM1 1AF£255,425 average112 sales CM1 6YP£176,026 average112 sales CM1 6GN£164,075 average111 sales CM1 1PX£217,115 average110 sales CM1 3GP£168,182 average110 sales CM1 2PD£200,807 average109 sales CM1 2UZ£131,474 average108 sales CM1 6XG£174,709 average107 sales CM1 2GG£268,094 average106 sales CM1 2PR£295,065 average105 sales CM1 4WD£180,436 average104 sales CM1 6AZ£505,539 average104 sales CM1 6BF£446,872 average103 sales CM1 1GD£277,509 average102 sales CM1 6ZG£194,280 average101 sales CM1 6JX£184,785 average100 sales CM1 6GB£144,261 average99 sales CM1 6GJ£203,366 average98 sales CM1 6YR£202,506 average98 sales CM1 4XU£176,329 average97 sales CM1 1GN£211,464 average96 sales CM1 1RY£224,798 average96 sales CM1 6XH£114,973 average92 sales CM1 7QL£121,812 average92 sales CM1 2TY£223,350 average91 sales CM1 6YL£101,573 average91 sales CM1 7QN£147,227 average91 sales CM1 1TG£183,790 average90 sales CM1 4JP£219,206 average90 sales CM1 4XL£122,465 average90 sales CM1 4XY£288,514 average90 sales CM1 6QT£174,879 average90 sales CM1 2JA£338,343 average88 sales CM1 3GL£178,225 average88 sales CM1 6YJ£137,266 average88 sales CM1 2AB£224,991 average87 sales CM1 3LP£215,378 average87 sales CM1 1AP£270,418 average86 sales CM1 6UY£206,331 average86 sales CM1 1AE£325,172 average85 sales CM1 3BJ£293,859 average85 sales CM1 6FH£94,244 average85 sales CM1 7RG£190,936 average85 sales CM1 1DL£291,893 average84 sales CM1 6FD£162,134 average84 sales CM1 4DG£242,519 average83 sales CM1 1AU£293,203 average82 sales CM1 6AR£494,008 average81 sales CM1 6SY£207,983 average81 sales CM1 6FG£145,597 average80 sales CM1 4JX£224,367 average79 sales

Compare postcodes in CM1

Use the location comparison tool to put CM1 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 CM1 area

Professional valuers use recent sold prices as comparable evidence. In the CM1 area, the median sold price is £245,000 and the average is £273,236, based on 37,133 HM Land Registry transactions. Over five years, prices have moved +481.2%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £208,000–£282,000(±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 CM1 postcode area?

The average sold price in CM1 is £273,236, based on 37,133 HM Land Registry transactions across 1,275 postcodes.

How does CM1 compare to the national average?

CM1 is -31.7% 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 CM1 area cover?

The CM1 postcode area covers 1,275 individual postcodes with 37,133 registered sales. The largest town grouping is Chelmsford.

More about CM1

Chelmsford town Browse districts Market reports Methodology Compare locations Area guide: CM1

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.