CM23 4BZ
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Property report — CM23 4BZ
Open-data due diligence for CM23 4BZ and the area around it.
CM23 4BZ in brief: 33 recorded sales (£83,000–£875,000) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for CM23 4BZ itself. Where open data isn't published that finely (population, crime, schools), we show the CM23 4 sector — each figure below is tagged with its scope.
Avg sold price
£512,806
Population
23,826
Crimes recorded
53
Schools
4
Flood risk
None modelled
Gigabit broadband
86%
Sold-price trend (1995–2026)
Annual sold price in CM23 4, 1995–2026 — mean (blue) and median (terracotta). The median is the typical sale; a wide gap to the mean means a few high-value sales pull the average up. 2026 is a part year (42 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2025-11-17 | £875,000 | 19 KNIGHTS CLOSE | Detached |
| 2025-03-28 | £660,000 | 13 KNIGHTS CLOSE | Detached |
| 2024-10-28 | £600,000 | 18 KNIGHTS CLOSE | Detached |
| 2024-05-10 | £833,000 | 19 KNIGHTS CLOSE | Detached |
| 2021-02-15 | £465,000 | 12 KNIGHTS CLOSE | Detached |
| 2020-01-16 | £550,000 | 5 KNIGHTS CLOSE | Detached |
| 2016-05-13 | £555,000 | 9 KNIGHTS CLOSE | Detached |
| 2016-02-12 | £400,000 | 3 KNIGHTS CLOSE | Detached |
| 2016-01-06 | £407,500 | 1 KNIGHTS CLOSE | Detached |
| 2015-12-07 | £405,000 | 21 KNIGHTS CLOSE | Detached |
| 2015-05-22 | £365,000 | 12 KNIGHTS CLOSE | Detached |
| 2013-09-25 | £515,000 | 20 KNIGHTS CLOSE | Detached |
| 2010-09-03 | £385,000 | 14 KNIGHTS CLOSE | Detached |
| 2007-10-19 | £300,000 | 12 KNIGHTS CLOSE | Semi-detached |
| 2006-12-13 | £240,000 | 17 KNIGHTS CLOSE | Semi-detached |
| 2006-09-15 | £272,000 | 3 KNIGHTS CLOSE | Detached |
| 2006-04-07 | £332,000 | 14 KNIGHTS CLOSE | Detached |
| 2004-11-17 | £211,000 | 17 KNIGHTS CLOSE | Semi-detached |
| 2004-08-11 | £277,000 | 1 KNIGHTS CLOSE | Terraced |
| 2003-10-03 | £310,000 | 14 KNIGHTS CLOSE | Detached |
| 2002-08-20 | £345,000 | 19 KNIGHTS CLOSE | Detached |
| 2000-12-22 | £303,250 | 19 KNIGHTS CLOSE | Detached |
| 2000-12-21 | £315,000 | 19 KNIGHTS CLOSE | Detached |
| 1999-11-26 | £165,000 | 8 KNIGHTS CLOSE | Detached |
| 1999-04-26 | £99,000 | 17 KNIGHTS CLOSE | Semi-detached |
| 1998-07-24 | £165,000 | 11 KNIGHTS CLOSE | Detached |
| 1998-04-17 | £122,500 | 21 KNIGHTS CLOSE | Detached |
| 1997-08-05 | £150,000 | 14 KNIGHTS CLOSE | Detached |
| 1997-06-06 | £107,500 | 1 KNIGHTS CLOSE | Terraced |
| 1997-03-26 | £83,000 | 17 KNIGHTS CLOSE | Semi-detached |
| 1996-03-25 | £103,000 | 3 KNIGHTS CLOSE | Detached |
| 1995-11-30 | £125,000 | 6 KNIGHTS CLOSE | Detached |
| 1995-10-18 | £120,000 | 13 KNIGHTS CLOSE | Detached |
33 recorded sales on CM23 4BZ. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Hillmead Primary School | 0.3 mi | Primary | Report card → |
| Avanti Brook Primary School | 0.5 mi | Primary | Report card → |
| Northgate Primary School | 0.7 mi | Primary | Good (2023) |
| St Joseph's Catholic Primary School B/S | 0.8 mi | Primary | Good (2022) |
| St Mary's Catholic School | 0.9 mi | Secondary | Report card → |
| Windhill21 | 1.0 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: CHURCH STREET PARTNERSHIP (1.1 mi) · SOUTH STREET SURGERY (1.2 mi) · HELIX MEDICAL CENTRE (1.8 mi)
Nearest hospitals: HERTS AND ESSEX HOSPITAL (1.8 mi) · HERTS & ESSEX COMMUNITY HOSPITAL (1.8 mi) · HERTFORDSHIRE & ESSEX HOSPITAL (1.8 mi)
Nearest listed buildings: STORTFORD PARK FARM BARN (2) (Grade II) (0.3 mi) · STORTFORD PARK FARM BARN (1) (Grade II) (0.3 mi) · STORTFORD PARK FARMHOUSE (Grade II) (0.3 mi)
Nearest pharmacies: TESCO INSTORE PHARMACY (0.1 mi) · BOOTS (1.1 mi) · ALLIED PHARMACY THORLEY (1.1 mi)
Nearest stations: Bishops Stortford (1.4 mi) · Stansted Mountfitchet (3.4 mi) · Sawbridgeworth (4.3 mi)
Nearest supermarkets: Tesco (0.1 mi) · Waitrose (1.1 mi) · Sainsbury's (1.1 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 41
- One-person households
- 24%
- Households with children
- 34%
- Households
- 9,236
Owned 72% · Social rent 11% · Private rent 15%
Census 2021 (ONS), for CM23 4.
Recorded crime trend
Recorded crimes per month in CM23 4 (May 24–Apr 26, average 45/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for CM23 4BZ in the Environment Agency dataset. This is reassuring but not a guarantee — 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 4 | PostcodeCM23 4BZ |
|---|---|---|---|
| Average sold price | £505,473 | £512,806 | £338,205 |
| Population | 56,714 | 23,826 | — |
| Deprivation decile (1 = most deprived) | 9/10 | 10/10 | — |
| Crimes recorded | 315 | 53 | — |
| Schools | 26 | 4 | — |
| Flood risk | High | High | Low |
| Gigabit broadband | 81% | 86% | 100% |
| Superfast broadband | 97% | 98% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (CM23 4); 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.
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Report generated 1 July 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.