CM23 4LZ
PostcodeA postcode in East Hertfordshire 003D, Bishop's Stortford Thorley Manor ward, East Hertfordshire.
This report describes the area around CM23 4LZ, 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 4LZ
- 3 crimes within 500 mAugust, down 62% on JulyEast Hertfordshire 003D: 26 a year per 1,000 peopleMap point
- Bishops Stortford, 1.5 kmAbout 19 minutes on footExact point
- 4 schools within 800 mNearest is 440 m awayExact point
- No property in CM23 4LZ listed at risk of floodingFrom rivers or the sea, with flood defences, in the Environment Agency's assessmentPostcode
- England’s least deprived 10%This neighbourhood, East Hertfordshire 003DNeighbourhood
- £457,417 average priceFor the whole of East Hertfordshire, July 2026Council
- No GP practices within 1 kmNearest is 1.1 km awayPostcode
- 1 supermarket within 1 kmNearest is 960 m awayExact point
- Gigabit broadband for every home and business at CM23 4LZSuperfast for 100%. What can be ordered, January 2026Postcode
- Low road and rail noise at CM23 4LZRoad under 40 dB or not modelled, rail under 40 dB or not modelled (Lden, modelled for 2021)Postcode
- Not in a radon Affected AreaUnder 1% of homes in this 1 km square are estimated to be at or above the radon Action Level1 km grid
- 10.2 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid
Schools near CM23 4LZ
Within 2 km, nearest first| School | Distance | Latest Ofsted outcome |
|---|---|---|
| St Joseph's Catholic Primary School B/S Primary. 66% met the expected standard at KS2 (2024/25) | 440 m 6 minutes on foot | Good (overall), December 2022 |
| Hillmead Primary School Primary. 77% met the expected standard at KS2 (2024/25) | 500 m 6 minutes on foot | School remains Good, March 2024 |
| Bishop's Stortford College Independent | 640 m 8 minutes on foot | Not in Ofsted's state-funded schools file |
| Manor Fields Primary School Primary. 80% met the expected standard at KS2 (2024/25) | 790 m 10 minutes on foot | Report card, June 2026: safeguarding met |
| St Mary's Catholic School Secondary. Attainment 8 of 56.8 (2025/26, provisional) | 840 m 10 minutes on foot | Graded inspection, October 2024: no overall grade |
| St Michael's Church of England Primary School Primary. 68% met the expected standard at KS2 (2024/25) | 880 m 11 minutes on foot | Standards maintained, January 2025 |
| Windhill21 Primary. 70% met the expected standard at KS2 (2024/25) | 900 m 11 minutes on foot | Standards maintained, March 2025 |
| White Trees Independent School Special | 1 km 13 minutes on foot | No outcome in Ofsted's file |
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 4LZ
Latest sale at each postcode- £700,000Lavender Close, CM23 4LNJune 2024, detached, established, freehold60 m
- £812,500Monkswood Drive, CM23 4LHJuly 2026, detached, established, freehold70 m
- £755,000Larkspur Close, CM23 4LLSeptember 2025, detached, established, freehold120 m
- £610,000Chenies Green, CM23 4HJJune 2023, detached, established, freehold170 m
- £760,000Woodpecker Close, CM23 4QAAugust 2025, detached, established, freehold170 m
- £675,000Peregrine Close, CM23 4LTFebruary 2026, detached, established, freehold190 m
- £600,000Long Meadow, CM23 4HHNovember 2025, detached, established, freehold200 m
- £452,000The Nobles, CM23 4HGJanuary 2025, semi-detached, established, freehold220 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 4LZ
In a straight linePharmacies
- ALLIED PHARMACY THORLEY910 m
Dental practices
- THORLEY DENTAL PRACTICE910 m
Supermarkets
- Sainsburys ThorleySainsburys960 m
The neighbourhood: East Hertfordshire 003D
Everything about East Hertfordshire 003DThe 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.