CM21 postcode area house prices

CM21 has an average sold price of £270,746 across 8,183 HM Land Registry transactions covering 291 postcodes. The largest town grouping is Sawbridgeworth.

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

CM21 at a glance

CM21 postcode area averages £270,746 across 8,183 completed sales covering 291 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £270,746 · Median £295,000 · 8,183 transactions · +229.8% growth · 291 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 8,183 sales across 291 postcodes
Median check: £295,000; Mean and median differ — inspect local mix
Trend signal: +229.8%; The five-year price movement is +229.8%.
Coverage: 291 postcodes; Largest town: Sawbridgeworth

CM21 Postcode Area Overview

The CM21 postcode area averages £270,746 across 8,183 registered sales — below the national average of £400,016 by -32.3%. The median price across constituent postcodes is £295,000, indicating lower-value sales drag the mean down. 291 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Sawbridgeworth, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +229.8%, in line with national growth.

Postcodes in CM21

CM21 9PF£132,352 average324 sales CM21 9RF£119,913 average286 sales CM21 9PE£144,851 average245 sales CM21 0DH£145,107 average176 sales CM21 9PT£124,762 average135 sales CM21 9BU£190,729 average124 sales CM21 9JY£279,139 average119 sales CM21 9RB£129,837 average118 sales CM21 9PX£100,260 average111 sales CM21 9PZ£106,923 average110 sales CM21 9PL£230,288 average106 sales CM21 9PR£168,685 average104 sales CM21 9LZ£185,576 average102 sales CM21 0EB£282,570 average100 sales CM21 9AZ£185,893 average99 sales CM21 9PS£158,959 average99 sales CM21 9RD£119,759 average99 sales CM21 9RA£124,409 average87 sales CM21 0AB£177,816 average86 sales CM21 9JB£236,869 average85 sales CM21 0BW£212,698 average71 sales CM21 0HA£294,727 average70 sales CM21 9JN£166,525 average66 sales CM21 9JP£301,482 average65 sales CM21 0DD£107,930 average64 sales CM21 9LN£256,488 average64 sales CM21 9NR£287,078 average64 sales CM21 9JJ£179,919 average63 sales CM21 9LW£263,645 average63 sales CM21 9ER£134,074 average59 sales CM21 0DJ£84,451 average55 sales CM21 0ES£287,776 average55 sales CM21 9ET£304,819 average55 sales CM21 9FD£209,973 average55 sales CM21 9QL£117,416 average53 sales CM21 0BJ£237,748 average52 sales CM21 9JA£420,566 average52 sales CM21 9LJ£265,192 average52 sales CM21 0ER£275,415 average51 sales CM21 9FE£391,414 average50 sales CM21 9NN£261,108 average49 sales CM21 9NP£239,138 average49 sales CM21 9FA£440,829 average48 sales CM21 9LQ£277,486 average48 sales CM21 0BS£233,285 average47 sales CM21 9AT£418,027 average47 sales CM21 0AN£414,611 average45 sales CM21 0BY£230,300 average45 sales CM21 0LR£526,623 average45 sales CM21 9LF£347,675 average45 sales CM21 0NA£176,379 average44 sales CM21 0RL£421,615 average44 sales CM21 9DF£223,046 average44 sales CM21 9DY£260,330 average44 sales CM21 9ND£415,890 average44 sales CM21 0DW£576,523 average43 sales CM21 9BJ£326,559 average43 sales CM21 9PY£180,253 average43 sales CM21 9BG£331,866 average41 sales CM21 9LG£356,245 average41 sales CM21 9NW£253,460 average41 sales CM21 0BL£220,788 average40 sales CM21 0ED£338,100 average40 sales CM21 0EP£256,935 average40 sales CM21 9HA£271,694 average40 sales CM21 9BB£310,469 average38 sales CM21 9LH£388,085 average38 sales CM21 0AE£842,081 average37 sales CM21 9BA£242,551 average37 sales CM21 9QH£90,266 average37 sales CM21 0AT£546,090 average36 sales CM21 0HR£327,493 average36 sales CM21 9JT£146,105 average36 sales CM21 0AR£299,193 average35 sales CM21 0DF£199,291 average35 sales CM21 9AN£285,343 average35 sales CM21 9EX£449,014 average35 sales CM21 9NB£463,425 average34 sales CM21 0BZ£207,041 average33 sales CM21 9EH£254,203 average33 sales

Compare postcodes in CM21

Use the location comparison tool to put CM21 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 CM21 area

Professional valuers use recent sold prices as comparable evidence. In the CM21 area, the median sold price is £295,000 and the average is £270,746, based on 8,183 HM Land Registry transactions. Over five years, prices have moved +229.8%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £251,000–£339,000(±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 CM21 postcode area?

The average sold price in CM21 is £270,746, based on 8,183 HM Land Registry transactions across 291 postcodes.

How does CM21 compare to the national average?

CM21 is -32.3% 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 CM21 area cover?

The CM21 postcode area covers 291 individual postcodes with 8,183 registered sales. The largest town grouping is Sawbridgeworth.

More about CM21

Sawbridgeworth town Browse districts Market reports Methodology Compare locations Area guide: CM21

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.