Thornbera Road - CM23 3NN
Key Postcode Insights
CM23 3NN is a residential postcode situated on Thornbera Road, Bishop's Stortford, CM23 with 50 addresses.
It ranks as the 1031st largest and 331st most expensive of the 1,085 postcodes in the CM23 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 50 properties: 50 houses.
- Ave. Sale Price
- £399,202
- 10 Year change
- up 16.2%
- Ave. Rental Price
- £1,798pcm
- 10 Year change
- up 49.4%
- Ave. £ per ft²
- £458/ft²
- Ave. Gross Yield
- 5.4%/year/yr
Key Postcode Insights
CM23 3NN is a residential postcode situated on Thornbera Road, Bishop's Stortford, CM23 with 50 addresses.
It ranks as the 1031st largest and 331st most expensive of the 1,085 postcodes in the CM23 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 50 properties: 50 houses.
- Ave. Sale Price
- £399,202
- 10 Year change
- up 16.2%
- Ave. Rental Price
- £1,798pcm
- 10 Year change
- up 49.4%
- Ave. £ per ft²
- £458/ft²
- Ave. Gross Yield
- 5.4%/year/yr
Explore Propertiesin CM23 3NN
- 53 Thornbera Road
2 Bed Mid-century House
- 55 Thornbera Road
Unknown
- 57 Thornbera Road
3 Bed Mid-century House
- 59 Thornbera Road
2 Bed Mid-century House
- 60 Thornbera Road
4 Bed Mid-century House
Sales Market Trends
The last sale in CM23 3NN sold for £404,000 on 21st November 2025. Since then prices are down an average of 1.2%.
The current average value in the postcode is £399,202.
The CM23 3NN Sales Market has increased by 16.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.5% | £399,202 |
| June 2025 | 2.3% | £409,351 |
| June 2024 | -3.6% | £400,039 |
| June 2023 | -0.2% | £415,174 |
| June 2022 | 8.2% | £415,999 |
| June 2021 | 6.6% | £384,295 |
| June 2020 | 1.5% | £360,536 |
| June 2019 | -1.3% | £355,301 |
| June 2018 | 1.8% | £360,080 |
| June 2017 | 3% | £353,832 |
| June 2016 | 11.8% | £343,630 |
| June 2015 | 12.8% | £307,376 |
| June 2014 | 11% | £272,483 |
| June 2013 | 2.1% | £245,485 |
| June 2012 | 1.9% | £240,322 |
| June 2011 | 2% | £235,864 |
| June 2010 | 12.3% | £231,178 |
| June 2009 | -12.6% | £205,895 |
| June 2008 | -0.4% | £235,648 |
| June 2007 | 0% | £236,496 |
Rental Market Trends
The current average rental value in the postcode is £1,798.
The CM23 3NN Rental Market has increased by 49.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.4% | £1,798pcm |
| June 2025 | 6.9% | £1,739pcm |
| June 2024 | 7.4% | £1,627pcm |
| June 2023 | 5.4% | £1,515pcm |
| June 2022 | 7.4% | £1,436pcm |
| June 2021 | 3.3% | £1,338pcm |
| June 2020 | 3.1% | £1,295pcm |
| June 2019 | 0.7% | £1,256pcm |
| June 2018 | 0.3% | £1,246pcm |
| June 2017 | 3.3% | £1,242pcm |
| June 2016 | 4.9% | £1,203pcm |
| June 2015 | 8.8% | £1,147pcm |
| June 2014 | 3.6% | £1,054pcm |
| June 2013 | 2.6% | £1,017pcm |
| June 2012 | 2.6% | £992pcm |
| June 2011 | 4.7% | £966pcm |
| June 2010 | 5.8% | £923pcm |
| June 2009 | -5.1% | £872pcm |
| June 2008 | 3.8% | £919pcm |
| June 2007 | 0% | £886pcm |
Sales History
The last sale was on 21st November 2025 for £404,000 and since then the market in the area has decreased by 1.2%. The postcode has had a total of 63 sales since 1995.
CM23 3NN has seen 6 sales in the last three years and 2 sales in the last twelve months.
- Sold Nov 2025£404,000 | 3 Bed House80, Thornbera Road, Bishop's Stortford, CM23 3NN80, Thornbera Road, Bishop's Stortford, CM23 3NN
- Sold Oct 2025£565,500 | 4 Bed House72, Thornbera Road, Bishop's Stortford, CM23 3NN72, Thornbera Road, Bishop's Stortford, CM23 3NN
- Sold Mar 2025£365,000 | 3 Bed House104, Thornbera Road, Bishop's Stortford, CM23 3NN104, Thornbera Road, Bishop's Stortford, CM23 3NN
- Sold Nov 2024£400,000 | 3 Bed House91, Thornbera Road, Bishop's Stortford, CM23 3NN91, Thornbera Road, Bishop's Stortford, CM23 3NN
- Sold Sep 2023£375,000 | 3 Bed House93, Thornbera Road, Bishop's Stortford, CM23 3NN93, Thornbera Road, Bishop's Stortford, CM23 3NN
Nearby Postcodes
CM23 3NN is the 1031st largest and the 331st most expensive postcode out of the 1,085 postcodes in the CM23 area.
- CM23 3NP, Thornbera Gardens, Bishop's Stortford, CM23CM23 3NP57 Addresses|102 m away
- CM23 3NR, Thornbera Close, Bishop's Stortford, CM23CM23 3NR16 Addresses|111 m away
- CM23 3PX, Apsley Close, Bishop's Stortford, CM23CM23 3PX22 Addresses|149 m away
- CM23 3PY, Norfolk Way, Bishop's Stortford, CM23CM23 3PY16 Addresses|159 m away
- CM23 4DN, Magnaville Road, Bishop's Stortford, CM23CM23 4DN38 Addresses|189 m away
Property Types
- 2 modern houses built after 1980
- 27 mid-century houses built between 1936 and 1979
- 1 house of an unknown age
- 20 other addresses of unknown type
- modern house (2)
- mid-century house (27)
- house (1)
- Unknown (20)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 29 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (11)
- G (0)
- D (15)
- No EPC (21)
Top 3 Most Expensive Sales
- Sold Nov 2020£630,000 | 5 Bed House3, Thornbera Road, Bishop's Stortford, CM23 3NJ3, Thornbera Road, Bishop's Stortford, CM23 3NJ
- Sold Oct 2025£565,500 | 4 Bed House72, Thornbera Road, Bishop's Stortford, CM23 3NN72, Thornbera Road, Bishop's Stortford, CM23 3NN
- Sold Oct 2019£560,000 | 4 Bed House1, Thornbera Road, Bishop's Stortford, CM23 3NJ1, Thornbera Road, Bishop's Stortford, CM23 3NJ
Schools Nearby
- Richard Whittington Primary School200 m away
- Thorley Hill Primary School300 m away
- Manor Fields Primary School1.1 km away
- The Bishop's Stortford High School900 m away
- St Mary's Catholic School1.5 km away
- The Hertfordshire & Essex High School and Science College1.6 km away
More reading links
Public Transport Nearby
The closest station to CM23 3NN is Bishops Stortford station, which is 1.2 kilometres away.
- Bishops Stortford|1.2 km away
- Sawbridgeworth|4.8 km away
- Stansted Mountfitchet|5.8 km away
- Harlow Mill|7.6 km away
