CM20 3SZ
PostcodeA postcode in Harlow 003A, Netteswell ward, Harlow.
This report describes the area around CM20 3SZ, 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 CM20 3SZ
- 83 crimes within 500 mAugust, down 21% on JulyHarlow 003A: 133 a year per 1,000 peopleMap point
- Harlow Town, 1.4 kmAbout 18 minutes on footExact point
- 5 schools within 800 mNearest is 130 m awayExact point
- No property in CM20 3SZ listed at risk of floodingFrom rivers or the sea, with flood defences, in the Environment Agency's assessmentPostcode
- England’s most deprived 40%This neighbourhood, Harlow 003ANeighbourhood
- £319,860 average priceFor the whole of Harlow, July 2026Council
- 3 GP practices within 1 kmNearest is 670 m awayPostcode
- 6 supermarkets within 1 kmNearest is 270 m awayExact point
- Gigabit broadband for every home and business at CM20 3SZSuperfast for 100%. What can be ordered, January 2026Postcode
- Low road and rail noise at CM20 3SZRoad 48 dB, 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
- 12.0 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid
Schools near CM20 3SZ
Within 2 km, nearest first| School | Distance | Latest Ofsted outcome |
|---|---|---|
| The Downs Primary School and Nursery Primary. 52% met the expected standard at KS2 (2024/25) | 130 m 2 minutes on foot | Graded inspection, May 2025: no overall grade |
| Bmat Stem Academy Secondary. Attainment 8 of 29.9 (2025/26, provisional) | 220 m 3 minutes on foot | Good (overall), January 2023 |
| Harlow College Sixth form and further education | 260 m 3 minutes on foot | Not in Ofsted's state-funded schools file |
| Freshwaters Primary Academy Primary. 62% met the expected standard at KS2 (2024/25) | 410 m 5 minutes on foot | Standards maintained, January 2025 |
| St Mark's West Essex Catholic School Secondary. Attainment 8 of 50.0 (2025/26, provisional) | 540 m 7 minutes on foot | Good (overall), February 2023 |
| Burnt Mill Academy Secondary. Attainment 8 of 47.2 (2025/26, provisional) | 930 m 12 minutes on foot | Good (overall), February 2023 |
| St Alban's Catholic Academy Primary. 57% met the expected standard at KS2 (2024/25) | 960 m 12 minutes on foot | Standards maintained, October 2024 |
| William Martin Church of England Junior School Primary. 60% met the expected standard at KS2 (2024/25) | 1 km 13 minutes on foot | Good (overall), September 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 CM20 3SZ
Latest sale at each postcode- £338,000Green Hills, CM20 3SZApril 2026, terraced, established, freehold10 m
- £359,000Broadfield, CM20 3PYNovember 2024, terraced, established, freehold80 m
- £308,000Green Hills, CM20 3SXJuly 2024, terraced, established, freehold100 m
- £425,000Broadfield, CM20 3PXJuly 2026, terraced, established, freehold160 m
- £300,000Broadfield, CM20 3PUSeptember 2024, terraced, established, freehold160 m
- £260,000Broadfield, CM20 3PSJanuary 2023, terraced, established, leasehold170 m
- £325,000The Downs, CM20 3RDJuly 2026, terraced, established, freehold190 m
- £327,500The Downs, CM20 3REJuly 2025, terraced, established, freehold190 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 CM20 3SZ
In a straight lineGP practices
- SYDENHAM HOUSE SURGERY670 m
- NUFFIELD HOUSE HEALTH CENTRE920 m
- ADDISON HOUSE - HAQUE PRACTICE940 m
Pharmacies
- BOOTS560 m
- NETTESWELL PHARMACY690 m
- HARLOW TOWN PHARMACY890 m
Dental practices
- BROADWALK DENTAL CENTRE540 m
- MR YAP & MR DHAMU540 m
- DENTAL SURGERY920 m
- COMMUNITY DENTAL CLINIC940 m
- ADDISON DENTAL PRACTICE940 m
Supermarkets
- Morrisons Daily HarlowMorrisons270 m
- Asda Harlow SuperstoreAsda500 m
- Tesco Harlow Harvey Ctr ExpressTesco580 m
- Iceland HarlowIceland600 m
- Sainsburys HarlowSainsburys850 m
The neighbourhood: Harlow 003A
Everything about Harlow 003AThe postcode district: CM20
Everything about CM20Your MP
- Chris VinceLabour (Co-op)MP for Harlow
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.