CM21 house prices and areas
CM21 covers Sawbridgeworth 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.
77 sales
75 sales
66 sales
69 sales
Sales by year
| Year | Sales | Median |
|---|---|---|
| 2025 | 209 | £450,000 |
| 2026 (so far) | 78 | £432,500 |
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
1.7% of CM21 sales were new builds and 24.7% were leasehold. Most sales here were freehold, which usually means houses.
Areas in CM21
Nearby postcodes
Questions about CM21
What is the average house price in CM21?
The median sale price in CM21 was £450,000 across 287 recorded sales from January 2025 to September 2026 (HM Land Registry). Half of sales were between £295,000 and £580,000.
Which areas are in the CM21 postcode?
Boroughly's area guides in CM21 cover Sawbridgeworth. Postcode districts don't follow neighbourhood names exactly, so a street can sit in CM21 but feel part of a neighbouring area.
What type of property sells most in CM21?
Detached homes were the most common sale (77 of 287). Flats had the lowest median, at £220,000. 24.7% of sales were leasehold and 1.7% were new builds.