CM23 3JN
PostcodeA postcode in East Hertfordshire 007B, Bishop's Stortford Central ward, East Hertfordshire.
This report describes the area around CM23 3JN, not any one home. Each figure is shown at the level it was published: the postcode, a 1 km square, the neighbourhood or the whole council, as its tag says.
Around CM23 3JN
- 33 crimes within 500 mAugust, up 32% on JulyEast Hertfordshire 007B: 60 a year per 1,000 peopleMap point
- Bishops Stortford, 650 mAbout 8 minutes on footExact point
- 2 schools within 800 mNearest is 500 m awayExact point
- 1 of 29 properties in CM23 3JN at high risk of floodingFrom rivers or the sea, with flood defences. Also 1 at low riskPostcode
- England’s least deprived 10%This neighbourhood, East Hertfordshire 007BNeighbourhood
- £457,417 average priceFor the whole of East Hertfordshire, July 2026Council
- 2 GP practices within 1 kmNearest is 600 m awayPostcode
- 8 supermarkets within 1 kmNearest is 280 m awayExact point
- Gigabit broadband for every home and business at CM23 3JNSuperfast for 100%. What can be ordered, January 2026Postcode
- Low road and rail noise at CM23 3JNRoad 47 dB, rail under 40 dB or not modelled (Lden, modelled for 2021)Postcode
- In a radon Affected Area, class 2 of 61% to 3% of homes in this 1 km square are estimated to be at or above the radon Action Level1 km grid
- 11.0 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid
Schools near CM23 3JN
Within 2 km, nearest first| School | Distance | Latest Ofsted outcome |
|---|---|---|
| Thorley Hill Primary School Primary. 87% met the expected standard at KS2 (2024/25) | 500 m 6 minutes on foot | School remains Good, March 2024 |
| Richard Whittington Primary School Primary. 80% met the expected standard at KS2 (2024/25) | 770 m 10 minutes on foot | School remains Good, November 2019 |
| St Michael's Church of England Primary School Primary. 68% met the expected standard at KS2 (2024/25) | 830 m 10 minutes on foot | Standards maintained, January 2025 |
| White Trees Independent School Special | 870 m 11 minutes on foot | No outcome in Ofsted's file |
| Thorn Grove Primary School Primary. 60% met the expected standard at KS2 (2024/25) | 930 m 12 minutes on foot | Standards maintained, October 2024 |
| Windhill21 Primary. 70% met the expected standard at KS2 (2024/25) | 940 m 12 minutes on foot | Standards maintained, March 2025 |
| The Hertfordshire & Essex High School and Science College Secondary. Attainment 8 of 62.0 (2025/26, provisional) | 990 m 12 minutes on foot | Outstanding (overall), November 2023 |
| St Joseph's Catholic Primary School B/S Primary. 66% met the expected standard at KS2 (2024/25) | 1.1 km 13 minutes on foot | Good (overall), December 2022 |
Distances are in a straight line. Councils and schools set catchments and admissions, which Open Index doesn’t map: the council’s schools pages. Ofsted outcomes are as published, each with its date; grades under different frameworks can’t be compared.
Recent sales near CM23 3JN
Latest sale at each postcode- £515,000Rhodes Avenue, CM23 3JNApril 2026, semi-detached, established, freehold10 m
- £355,000Mazoe Road, CM23 3JTFebruary 2026, semi-detached, established, freehold70 m
- £310,000Shangani Road, CM23 3JPMarch 2025, semi-detached, established, freehold80 m
- £255,000Bentley Close, CM23 3JZOctober 2025, flat or maisonette, established, leasehold80 m
- £389,000Rhodes Avenue, CM23 3JLMarch 2025, semi-detached, established, freehold110 m
- £680,000Wilson Close, CM23 3USNovember 2024, detached, established, freehold110 m
- £775,000Havers Lane, CM23 3PAOctober 2024, detached, established, freehold150 m
- £398,750Zambesi Road, CM23 3JRMarch 2026, semi-detached, established, freehold160 m
HM Land Registry sales at nearby postcodes, by street and postcode only, never a house number. Sales take weeks to be registered. Every sale on the map
Within 1 km of CM23 3JN
In a straight lineStations
- Bishops Stortford8 minutes on foot650 m
GP practices
- SOUTH STREET SURGERY600 m
- CHURCH STREET PARTNERSHIP990 m
Pharmacies
- TRINITY PHARMACY610 m
- BOOTS1 km
Dental practices
- SOUTH STREET (DENTAL SURGERY)610 m
- THE DENTIST780 m
- SMILE AND WELLBEING DENTAL870 m
- RIVERSIDE DENTAL PRACTICE970 m
Supermarkets
- Little Waitrose Shell ThorleyWaitrose280 m
- Tesco Havers Ln ExpressTesco370 m
- Co-op Bishop's StortfordEast of England Co-operative650 m
- Aldi Hockerill Bishop's StortfordAldi740 m
- Tesco Bishop's Stortford South St ExpressTesco820 m
The neighbourhood: East Hertfordshire 007B
Everything about East Hertfordshire 007BThe postcode district: CM23
Everything about CM23Your MP
- Josh DeanLabourMP for Hertford and Stortford
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Where these figures come from
- Street-level crimeAugust 2026Map point
- Rail and Tube stations2024/25Exact point
- SchoolsExact point
- Flood risk by postcodeJune 2026Postcode
- English Indices of Deprivation 20252025Neighbourhood
- Average house priceJuly 2026Council
- GP practicesPostcode
- SupermarketsExact point
- Broadband by postcodeJanuary 2026Postcode
- Road and rail noise by postcode2021Postcode
- Radon potential1 km grid
- Nitrogen dioxide (NO2)20251 km grid
Counts, distances and walking times are worked out by Open Index from each layer’s published points and outlines, in a straight line from the postcode’s centre. Street names © OpenStreetMap contributors.