CM21 9GZ

• 22 crimes within 500 mAugust, up 29% on JulyEast Hertfordshire 011D: 56 a year per 1,000 peopleMap point
• Sawbridgeworth, 710 mAbout 9 minutes on footExact point
• 3 schools within 800 mNearest is 160 m awayExact point
• No property in CM21 9GZ 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 011DNeighbourhood
• £457,417 average priceFor the whole of East Hertfordshire, July 2026Council
• 1 GP practice within 1 kmNearest is 190 m awayPostcode
• 2 supermarkets within 1 kmNearest is 110 m awayExact point
• No gigabit broadband at CM21 9GZSuperfast for 100%. What can be ordered, January 2026Postcode
• Low road and rail noise at CM21 9GZRoad 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
• 11.5 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid

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.

• £117,500Bell Street, CM21 9QHFebruary 2025, flat or maisonette, established, leasehold40 m
• £129,000The Gables, CM21 9QLNovember 2025, flat or maisonette, established, leasehold50 m
• £880,000Rowan Walk, CM21 9EFAugust 2024, detached, established, freehold70 m
• £360,000Blakes Court, CM21 9TDMarch 2024, terraced, established, freehold90 m
• £165,950Knight Street, CM21 9BWApril 2023, flat or maisonette, established, leasehold90 m
• £375,000Knight Street, CM21 9ATFebruary 2026, semi-detached, established, freehold150 m
• £465,000The Orchards, CM21 9BBMarch 2026, semi-detached, established, freehold170 m
• £175,000Spinney Court, CM21 9DADecember 2023, flat or maisonette, established, leasehold170 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

Your MP

• Josh DeanLabourMP for Hertford and Stortford

As of 18 October 2026, from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

• 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.