CM23 house prices and areas
CM23 covers Bishop's Stortford in London (Hertfordshire). Here is what homes actually sold for: every standard sale HM Land Registry recorded from January 2025 to September 2026.
Prices by property type
Medians are shown where there were at least 10 sales of that type.
372 sales
314 sales
285 sales
214 sales
Sales by year
| Year | Sales | Median |
|---|---|---|
| 2025 | 831 | £440,000 |
| 2026 (so far) | 354 | £421,750 |
A part-year and a small mix shift (say, more flats sold this year) can move a median without any change in what homes are worth, so treat year-to-year differences with care.
New builds and leasehold
12.2% of CM23 sales were new builds and 17.9% were leasehold. Most sales here were freehold, which usually means houses.
Areas in CM23
Nearby postcodes
Questions about CM23
What is the average house price in CM23?
The median sale price in CM23 was £435,000 across 1,185 recorded sales from January 2025 to September 2026 (HM Land Registry). Half of sales were between £340,000 and £580,000.
Which areas are in the CM23 postcode?
Boroughly's area guides in CM23 cover Bishop's Stortford. Postcode districts don't follow neighbourhood names exactly, so a street can sit in CM23 but feel part of a neighbouring area.
What type of property sells most in CM23?
Detached homes were the most common sale (372 of 1185). Flats had the lowest median, at £255,000. 17.9% of sales were leasehold and 12.2% were new builds.