CM23 postcode area house prices
CM23 has an average sold price of £300,374 across 29,419 HM Land Registry transactions covering 1,019 postcodes. The largest town grouping is Bishop's Stortford.
CM23 at a glance
CM23 postcode area averages £300,374 across 29,419 completed sales covering 1,019 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.
Average £300,374 · Median £293,500 · 29,419 transactions · +47.4% growth · 1,019 postcodes
- Data source
- HM Land Registry
- Updated October 2026
- Sample quality
- High transaction depth
- 29,419 sales across 1,019 postcodes
- Median check
- £293,500
- Median is close to the average
- Trend signal
- +47.4%
- The five-year price movement is +47.4%.
- Coverage
- 1,019 postcodes
- Largest town: Bishop's Stortford
CM23 Postcode Area Overview
Postcodes in CM23
Compare postcodes in CM23
Use the location comparison tool to put CM23 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.
Property valuation guide
Estimate a property value in the CM23 area
Professional valuers use recent sold prices as comparable evidence. In the CM23 area, the median sold price is £293,500 and the average is £300,374, based on 29,419 HM Land Registry transactions. Over five years, prices have moved +47.4%, which affects how comparables from earlier years should be weighted.
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.
Frequently asked questions
What is the average sold price in the CM23 postcode area?
The average sold price in CM23 is £300,374, based on 29,419 HM Land Registry transactions across 1,019 postcodes.
How does CM23 compare to the national average?
CM23 is -24.9% 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 CM23 area cover?
The CM23 postcode area covers 1,019 individual postcodes with 29,419 registered sales. The largest town grouping is Bishop's Stortford.
More about CM23
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.