CM23 3DX
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Property report — CM23 3DX
Open-data due diligence for CM23 3DX and the area around it.
CM23 3DX in brief: 13 recorded sales (£59,995–£350,000) · high flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for CM23 3DX itself. Where open data isn't published that finely (population, crime, schools), we show the CM23 3 sector — each figure below is tagged with its scope.
Avg sold price
£354,250
Population
23,563
Crimes recorded
23
Schools
4
Flood risk
High
Gigabit broadband
85%
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2021-02-12 | £320,000 | 2, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2020-12-04 | £350,000 | 4, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2017-03-31 | £325,000 | 4, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2007-09-14 | £235,000 | 3, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2004-08-16 | £205,000 | 1, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2004-05-21 | £189,950 | 2, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2003-09-05 | £179,500 | 3, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2001-10-19 | £145,000 | 4, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 2001-03-05 | £130,000 | 4, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 1998-09-25 | £88,000 | 1, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 1998-08-17 | £88,000 | 2, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 1998-08-14 | £88,000 | 4, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
| 1998-05-26 | £59,995 | 3, SOUTH LODGE COTTAGES SOUTHMILL ROAD | Terraced |
13 recorded sales on CM23 3DX. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Thorn Grove Primary School | 0.4 mi | Primary | Report card → |
| Thorley Hill Primary School | 0.4 mi | Primary | Report card → |
| The Hertfordshire & Essex High School and Science College | 0.5 mi | Secondary | Outstanding (2023) |
| St Michael's Church of England Primary School | 0.6 mi | Primary | Good (2019) |
| Richard Whittington Primary School | 0.6 mi | Primary | Report card → |
| Windhill21 | 0.7 mi | Primary | Report 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: SOUTH STREET SURGERY (0.4 mi) · HELIX MEDICAL CENTRE (0.5 mi) · CHURCH STREET PARTNERSHIP (0.6 mi)
Nearest hospitals: HERTS AND ESSEX HOSPITAL (0.5 mi) · HERTS & ESSEX COMMUNITY HOSPITAL (0.5 mi) · HERTFORDSHIRE & ESSEX HOSPITAL (0.5 mi)
Nearest listed buildings: RHODES' BIRTHPLACE MUSEUM (Grade II) (0.1 mi) · SOUTH RANGE OF FORMER MALTHOUSES AT JUNCTION WITH SOUTH STREET (HOPPER ENGINEERING) (Grade II) (0.2 mi) · CENTRAL RANGE OF FORMER MALTHOUSES AT JUNCTION WITH SOUTH STREET (MAURICE AND COMPANY LIMITED) (Grade II) (0.2 mi)
Nearest pharmacies: TRINITY PHARMACY (0.4 mi) · HOBBS PHARMACY (0.5 mi) · BOOTS (0.6 mi)
Nearest stations: Bishops Stortford (0.3 mi) · Stansted Mountfitchet (3.1 mi) · Sawbridgeworth (3.3 mi)
Nearest supermarkets: Co-op Food (0.3 mi) · Aldi (0.4 mi) · M&S Foodhall (0.5 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 39
- One-person households
- 29%
- Households with children
- 30%
- Households
- 9,691
Owned 61% · Social rent 13% · Private rent 24%
Census 2021 (ONS), for CM23 3.
Recorded crime trend
Recorded crimes per month in CM23 3 (May 24–Apr 26, average 32/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
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 | DistrictCM23 | SectorCM23 3 | PostcodeCM23 3DX |
|---|---|---|---|
| Average sold price | £505,473 | £354,250 | £184,880 |
| Population | 56,714 | 23,563 | — |
| Deprivation decile (1 = most deprived) | 9/10 | 8/10 | — |
| Crimes recorded | 315 | 23 | — |
| Schools | 26 | 4 | — |
| Flood risk | High | High | High |
| Gigabit broadband | 81% | 85% | 100% |
| Superfast broadband | 97% | 100% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (CM23 3); 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
Get the official title document
The HM Land Registry title register shows the legal owner, price paid and any charges or covenants. Official copy, £7.
View the title document at HM Land Registry →Compare conveyancing quotes
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Report generated 30 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.