CM20 3HN
PostcodeA postcode in Harlow 002D, Mark Hall ward, Harlow.
This report describes the area around CM20 3HN, 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 3HN
- 32 crimes within 500 mAugust, down 27% on JulyHarlow 002D: 124 a year per 1,000 peopleMap point
- Harlow Town, 2 kmAbout 25 minutes on footExact point
- 1 school within 800 mNearest is 430 m awayExact point
- No property in CM20 3HN listed at risk of floodingFrom rivers or the sea, with flood defences, in the Environment Agency's assessmentPostcode
- England’s most deprived 50%This neighbourhood, Harlow 002DNeighbourhood
- £319,860 average priceFor the whole of Harlow, July 2026Council
- 2 GP practices within 1 kmNearest is 340 m awayPostcode
- 2 supermarkets within 1 kmNearest is 800 m awayExact point
- Gigabit broadband for every home and business at CM20 3HNSuperfast for 100%. What can be ordered, January 2026Postcode
- Low road and rail noise at CM20 3HNRoad 51 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
- 12.2 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid
Schools near CM20 3HN
Within 2 km, nearest first| School | Distance | Latest Ofsted outcome |
|---|---|---|
| Cooks Spinney Primary Academy and Nursery Primary. 38% met the expected standard at KS2 (2024/25) | 430 m 5 minutes on foot | Graded inspection, November 2024: no overall grade |
| Freshwaters Primary Academy Primary. 62% met the expected standard at KS2 (2024/25) | 860 m 11 minutes on foot | Standards maintained, January 2025 |
| 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 |
| Church Langley Community Primary School Primary. 73% met the expected standard at KS2 (2024/25) | 980 m 12 minutes on foot | School remains Good, January 2024 |
| Purford Green Primary School Primary. 72% met the expected standard at KS2 (2024/25) | 1 km 12 minutes on foot | Standards maintained, November 2024 |
| Burnt Mill Academy Secondary. Attainment 8 of 47.2 (2025/26, provisional) | 1 km 13 minutes on foot | Good (overall), February 2023 |
| St Mark's West Essex Catholic School Secondary. Attainment 8 of 50.0 (2025/26, provisional) | 1.1 km 14 minutes on foot | Good (overall), February 2023 |
| The Downs Primary School and Nursery Primary. 52% met the expected standard at KS2 (2024/25) | 1.1 km 14 minutes on foot | Graded inspection, May 2025: no overall grade |
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 3HN
Latest sale at each postcode- £325,000Tunnmeade, CM20 3HNJuly 2024, terraced, established, freehold10 m
- £350,000Tunnmeade, CM20 3HLJune 2026, terraced, established, freehold70 m
- £327,000Tunnmeade, CM20 3HJNovember 2024, terraced, established, freehold70 m
- £130,000Pennymead, CM20 3JFNovember 2025, flat or maisonette, established, leasehold90 m
- £320,000Quarry Spring, CM20 3HSSeptember 2024, terraced, established, freehold100 m
- £440,000Harefield, CM20 3EFJanuary 2023, terraced, established, freehold110 m
- £350,000Quarry Spring, CM20 3HPSeptember 2025, terraced, established, freehold160 m
- £377,000Pennymead, CM20 3HXDecember 2025, terraced, 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 CM20 3HN
In a straight lineGP practices
- SYDENHAM HOUSE SURGERY340 m
- NUFFIELD HOUSE HEALTH CENTRE600 m
Pharmacies
- NETTESWELL PHARMACY340 m
- WELL680 m
- STOW PHARMACY690 m
Dental practices
- DENTAL SURGERY600 m
- THE STOW (DENTAL SURGERY)680 m
Supermarkets
- Aldi Mark Hall HarlowAldi800 m
- Morrisons Daily HarlowMorrisons840 m
The neighbourhood: Harlow 002D
Everything about Harlow 002DThe 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.