Postcode · CM21 9BZ

CM21 9BZ

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Property report — CM21 9BZ

Open-data due diligence for CM21 9BZ and the area around it.

CM21 9BZ in brief: 10 recorded sales (£89,500–£1,110,000) · high flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for CM21 9BZ itself. Where open data isn't published that finely (population, crime, schools), we show the CM21 9 sector — each figure below is tagged with its scope.

Avg sold price

£401,149

sector CM21 9 · 122 sales

Population

10,940

sector CM21 9

Crimes recorded

35

sector CM21 9 · Apr 26

Schools

3

sector CM21 9

Flood risk

High

this postcode

Gigabit broadband

72%

sector CM21 9 of premises

Sold-price trend (1995–2026)

1995: £72,142 (219 sales)1996: £76,404 (216 sales)1997: £78,656 (261 sales)1998: £89,735 (258 sales)1999: £96,927 (263 sales)2000: £114,544 (204 sales)2001: £135,783 (265 sales)2002: £156,105 (292 sales)2003: £176,204 (196 sales)2004: £201,956 (233 sales)2005: £216,879 (201 sales)2006: £222,581 (262 sales)2007: £244,051 (204 sales)2008: £235,558 (110 sales)2009: £226,076 (111 sales)2010: £292,564 (134 sales)2011: £252,743 (114 sales)2012: £256,050 (127 sales)2013: £300,148 (151 sales)2014: £257,979 (159 sales)2015: £292,927 (161 sales)2016: £314,093 (128 sales)2017: £355,440 (171 sales)2018: £365,173 (144 sales)2019: £355,959 (136 sales)2020: £401,811 (137 sales)2021: £430,691 (191 sales)2022: £431,182 (135 sales)2023: £399,551 (101 sales)2024: £401,149 (122 sales)2025: £426,152 (136 sales)2026: £443,942 (26 sales) 2026: £443,942 (26 sales) — part year so far £443,942 £72,142 1995 2026*

Annual average (mean) sold price in CM21 9, 1995–2026. 2026 is a part year (26 sales so far) — shown greyed. Hover a point to read its value. Source: HM Land Registry Price Paid.

Sold prices on this postcode

DatePriceAddressType
2021-12-03£1,110,000THREE MILE POND FARM CAMBRIDGE ROADDetached
2021-08-31£392,000STYE COTTAGE CAMBRIDGE ROADTerraced
2019-11-26£510,000THREE MILE POND FARM COTTAGE CAMBRIDGE ROADDetached
2016-05-26£570,000THE LODGE, THREE MILE POND FARM CAMBRIDGE ROADDetached
2010-08-06£335,000THREE MILE POND FARM COTTAGE CAMBRIDGE ROADDetached
2008-07-04£410,000BARN COTTAGE, THREE MILE POND FARM CAMBRIDGE ROADSemi-detached
2005-09-21£249,995GABLE COTTAGE CAMBRIDGE ROADDetached
2001-06-28£234,000THE LODGE, THREE MILE POND FARM CAMBRIDGE ROADDetached
2000-05-05£525,000NORTHFIELD HOUSE CAMBRIDGE ROADDetached
1996-04-01£89,500BARN COTTAGE, THREE MILE POND FARM CAMBRIDGE ROADSemi-detached

10 recorded sales on CM21 9BZ. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.

Nearest schools

SchoolDistancePhaseOfsted
Leventhorpe0.2 miSecondaryGood (2024)
Reedings Junior School0.4 miPrimaryReport card →
Mandeville Primary School0.5 miPrimaryGood (2023)
Fawbert and Barnard Infants' School0.7 miPrimaryOutstanding (2024)
Spellbrook CofE Primary School0.8 miPrimaryGood (2021)
Little Hallingbury Church of England Voluntary Aided Primary School1.4 miPrimaryReport card →

Straight-line distance from the postcode. Ofsted = latest overall effectiveness (newer inspections may be ungraded). Sources: Get Information about Schools (DfE) · Ofsted.

What's nearby

Nearest GP surgeries: CENTRAL SURGERY (0.8 mi) · GARDENS AND JACOBS MEDICAL PARTNERSHIP (1.5 mi) · THE RIVERS HOSPITAL (1.5 mi)

Nearest hospitals: CAPIO RIVERS HOSPITAL (1.5 mi) · RIVERS HOSPITAL (1.5 mi) · HERTS AND ESSEX HOSPITAL (3.0 mi)

Nearest listed buildings: OUTBUILDINGS AT THREE MILE POND FARM 8 YARDS NORTH OF HOUSE (Grade II) (0.0 mi) · THREE MILE POND FARMHOUSE (400 YARDS NORTH OF BULL PUBLIC HOUSE) (Grade II) (0.0 mi) · THE BULL PUBLIC HOUSE (650 YARDS NORTH OF STATION ROAD) (Grade II) (0.2 mi)

Nearest pharmacies: VILLAGE PHARMACY (0.8 mi) · BELL PHARMACY (0.8 mi) · ALLIED PHARMACY THORLEY (2.5 mi)

Nearest stations: Sawbridgeworth (0.7 mi) · Harlow Mill (2.5 mi) · Bishops Stortford (3.0 mi)

Nearest supermarkets: The Co-operative Food (0.7 mi) · Full of Beans Whole Food Store (0.8 mi) · Sainsbury's (2.4 mi)

Straight-line distance from the postcode. Source: NaPTAN (DfT).

Who lives here

Median age
45
One-person households
30%
Households with children
28%
Households
4,705

Owned 74% · Social rent 8% · Private rent 18%

Census 2021 (ONS), for CM21 9.

Recorded crime trend

May 24: 32 crimesJun 24: 52 crimesJul 24: 56 crimesAug 24: 60 crimesSep 24: 42 crimesOct 24: 62 crimesNov 24: 34 crimesDec 24: 38 crimesJan 25: 45 crimesFeb 25: 31 crimesMar 25: 33 crimesApr 25: 33 crimesMay 25: 49 crimesJun 25: 23 crimesJul 25: 33 crimesAug 25: 49 crimesSep 25: 44 crimesOct 25: 18 crimesNov 25: 36 crimesDec 25: 44 crimesJan 26: 22 crimesFeb 26: 24 crimesMar 26: 26 crimesApr 26: 35 crimes Apr 26: 35 crimes 62 18 May 24 Apr 26

Recorded crimes per month in CM21 9 (May 24–Apr 26, average 38/month). Hover a point to read the count. Source: Police.uk street-level data.

Flood risk

Modelled flood risk for CM21 9BZ: High — 1 property here fall in an at-risk band (1 in the significant Medium/High bands).

This is an indicative band for the postcode from the Environment Agency's catchment modelling (rivers and surface water), not a property-specific assessment. A conveyancer will run an official flood search before you buy. Check the exact address on the official Environment Agency map →

Source: Environment Agency Risk of Flooding from Rivers and Sea (the official dataset name). Indicative catchment data, not an official property flood search.

How granular is this?

Measure DistrictCM21 SectorCM21 9 PostcodeCM21 9BZ
Average sold price£493,597£401,149£442,550
Population12,39310,940
Deprivation decile (1 = most deprived)9/109/10
Crimes recorded6735
Schools53
Flood riskHighHighHigh
Gigabit broadband70%72%0%
Superfast broadband94%96%46%

— = no separate figure is published at that level. Most open data is published down to the sector (CM21 9); the postcode column is built from the layers that go finer (sold transactions, Ofcom broadband). Sources: HM Land Registry · Police.uk · Ofsted/GIAS · ONS & IoD2025 · Environment Agency · Ofcom.

Your next steps

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Report generated 29 June 2026. Open data is refreshed periodically; HM Land Registry Price Paid typically lags by around two months, so the most recent sales may not appear yet.

Contains OS data © Crown copyright and database right 2026

Contains Royal Mail data © Royal Mail copyright and database right 2026

Contains National Statistics data © Crown copyright and database right 2026

Indicative due diligence compiled from public open data. Not a substitute for a regulated conveyancing or property search, a survey, or professional advice.