CM1 1BY
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Property report — CM1 1BY
Open-data due diligence for CM1 1BY and the area around it.
CM1 1BY in brief: 72 recorded sales (£99,995–£529,700) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for CM1 1BY itself. Where open data isn't published that finely (population, crime, schools), we show the CM1 1 sector — each figure below is tagged with its scope.
Avg sold price
£361,701
Population
18,320
Crimes recorded
320
Schools
3
Flood risk
None modelled
Gigabit broadband
83%
Sold-price trend (1995–2026)
Annual sold price in CM1 1, 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 (35 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2026-03-20 | £265,000 | 14 DUNN SIDE | Flat |
| 2026-03-20 | £285,000 | 50 DUNN SIDE | Flat |
| 2025-06-05 | £316,000 | 58 DUNN SIDE | Flat |
| 2025-05-16 | £232,000 | 106 DUNN SIDE | Flat |
| 2025-02-11 | £325,000 | 108 DUNN SIDE | Flat |
| 2024-07-10 | £290,000 | 42 DUNN SIDE | Flat |
| 2024-01-30 | £288,000 | 66 DUNN SIDE | Flat |
| 2023-11-24 | £529,700 | 26 DUNN SIDE | Terraced |
| 2023-10-13 | £293,000 | 110 DUNN SIDE | Flat |
| 2023-10-10 | £291,000 | 92 DUNN SIDE | Flat |
| 2023-09-29 | £232,500 | 82 DUNN SIDE | Flat |
| 2023-09-05 | £305,500 | 94 DUNN SIDE | Flat |
| 2023-08-29 | £305,000 | 84 DUNN SIDE | Flat |
| 2023-03-17 | £235,000 | 52 DUNN SIDE | Flat |
| 2022-10-07 | £311,000 | 78 DUNN SIDE | Flat |
| 2021-02-04 | £298,000 | 56 DUNN SIDE | Flat |
| 2020-08-04 | £277,500 | 98 DUNN SIDE | Flat |
| 2020-05-07 | £297,000 | 102 DUNN SIDE | Flat |
| 2020-03-27 | £232,000 | 52 DUNN SIDE | Flat |
| 2019-09-03 | £468,000 | 24 DUNN SIDE | Terraced |
| 2019-06-07 | £323,000 | 60 DUNN SIDE | Flat |
| 2018-12-18 | £99,995 | 14 DUNN SIDE | Flat |
| 2018-01-12 | £330,000 | 54 DUNN SIDE | Flat |
| 2016-10-28 | £297,000 | 86 DUNN SIDE | Flat |
| 2016-10-14 | £295,000 | 68 DUNN SIDE | Flat |
| 2016-09-16 | £285,000 | 40 DUNN SIDE | Flat |
| 2016-08-31 | £293,000 | 104 DUNN SIDE | Flat |
| 2016-06-20 | £303,995 | 50 DUNN SIDE | Flat |
| 2016-05-31 | £279,995 | 90 DUNN SIDE | Flat |
| 2016-05-26 | £267,995 | 74 DUNN SIDE | Flat |
| 2016-05-19 | £202,995 | 88 DUNN SIDE | Flat |
| 2016-05-16 | £278,995 | 94 DUNN SIDE | Flat |
| 2016-05-12 | £279,995 | 126 DUNN SIDE | Flat |
| 2016-05-12 | £272,995 | 98 DUNN SIDE | Flat |
| 2016-05-11 | £192,995 | 70 DUNN SIDE | Flat |
| 2016-05-10 | £278,995 | 92 DUNN SIDE | Flat |
| 2016-05-09 | £290,995 | 96 DUNN SIDE | Flat |
| 2016-05-09 | £285,995 | 66 DUNN SIDE | Flat |
| 2016-05-09 | £297,995 | 114 DUNN SIDE | Flat |
| 2016-05-09 | £286,995 | 84 DUNN SIDE | Flat |
| 2016-05-06 | £292,995 | 108 DUNN SIDE | Flat |
| 2016-05-06 | £298,995 | 102 DUNN SIDE | Flat |
| 2016-05-06 | £286,995 | 78 DUNN SIDE | Flat |
| 2016-05-06 | £292,995 | 112 DUNN SIDE | Flat |
| 2016-05-06 | £203,995 | 82 DUNN SIDE | Flat |
| 2016-05-04 | £224,995 | 38 DUNN SIDE | Flat |
| 2016-05-04 | £209,995 | 106 DUNN SIDE | Flat |
| 2016-05-04 | £264,995 | 80 DUNN SIDE | Flat |
| 2016-05-03 | £301,995 | 116 DUNN SIDE | Flat |
| 2016-04-29 | £305,995 | 122 DUNN SIDE | Flat |
| 2016-04-29 | £279,995 | 48 DUNN SIDE | Flat |
| 2016-04-29 | £285,995 | 110 DUNN SIDE | Flat |
| 2016-04-29 | £302,995 | 124 DUNN SIDE | Flat |
| 2016-04-29 | £272,995 | 76 DUNN SIDE | Flat |
| 2016-04-29 | £196,995 | 64 DUNN SIDE | Flat |
| 2016-04-29 | £269,995 | 42 DUNN SIDE | Flat |
| 2016-04-29 | £284,995 | 60 DUNN SIDE | Flat |
| 2016-04-29 | £270,995 | 72 DUNN SIDE | Flat |
| 2016-04-29 | £349,995 | 118 DUNN SIDE | Flat |
| 2016-04-29 | £224,995 | 120 DUNN SIDE | Flat |
| 2016-04-29 | £196,995 | 46 DUNN SIDE | Flat |
| 2016-04-29 | £279,995 | 54 DUNN SIDE | Flat |
| 2016-04-29 | £271,995 | 56 DUNN SIDE | Flat |
| 2016-04-29 | £265,995 | 44 DUNN SIDE | Flat |
| 2016-04-28 | £195,995 | 52 DUNN SIDE | Flat |
| 2016-04-28 | £267,995 | 58 DUNN SIDE | Flat |
| 2016-04-28 | £210,995 | 100 DUNN SIDE | Flat |
| 2016-04-27 | £197,500 | 62 DUNN SIDE | Flat |
| 2016-02-29 | £459,995 | 22 DUNN SIDE | Terraced |
| 2015-06-30 | £444,995 | 24 DUNN SIDE | Terraced |
| 2015-06-26 | £429,995 | 26 DUNN SIDE | Terraced |
| 2015-03-12 | £459,995 | 28 DUNN SIDE | Terraced |
72 recorded sales on CM1 1BY. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| The Cathedral Church of England Voluntary Aided Primary School, Chelmsford | 0.3 mi | Primary | Good (2021) |
| King Edward VI Grammar School, Chelmsford | 0.3 mi | Secondary | Outstanding (2021) |
| Chelmsford County High School for Girls | 0.4 mi | Secondary | Outstanding (2024) |
| Maltese Road Primary School | 0.4 mi | Primary | Report card → |
| Kings Road Primary School | 0.6 mi | Primary | Good (2020) |
| Trinity Road Primary School | 0.6 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: RIVERMEAD GATE MED.CTR. (0.2 mi) · BEAUCHAMP HOUSE (0.6 mi) · CHELMER MEDICAL PARTNERSHIP (0.9 mi)
Nearest hospitals: CHELMSFORD & ESSEX HOSPITAL (0.5 mi) · THE CHELMSFORD PRIVATE DAY SURGERY HOSPITAL (0.6 mi) · MEDTEL HOSPITAL (0.6 mi)
Nearest listed buildings: MARCONIS (Grade II) (0.1 mi) · 12, COTTAGE PLACE (Grade II) (0.1 mi) · THE WHEATSHEAF PUBLIC HOUSE (Grade II) (0.2 mi)
Nearest pharmacies: RIVERMEAD PHARMACY (0.2 mi) · BOOTS (0.4 mi) · SHANTYS (0.7 mi)
Nearest stations: Chelmsford (0.2 mi) · Beaulieu Park (2.4 mi)
Nearest supermarkets: Co-op Food (0.2 mi) · Home Foods Grocery (0.2 mi) · Co-op Food (0.2 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 34
- One-person households
- 38%
- Households with children
- 24%
- Households
- 8,173
Owned 48% · Social rent 15% · Private rent 35%
Census 2021 (ONS), for CM1 1.
Recorded crime trend
Recorded crimes per month in CM1 1 (May 24–Apr 26, average 278/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for CM1 1BY 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 | DistrictCM1 | SectorCM1 1 | PostcodeCM1 1BY |
|---|---|---|---|
| Average sold price | £419,988 | £361,701 | £286,479 |
| Population | 89,958 | 18,320 | — |
| Deprivation decile (1 = most deprived) | 7/10 | 5/10 | — |
| Crimes recorded | 664 | 320 | — |
| Schools | 33 | 3 | — |
| Flood risk | High | High | Low |
| Gigabit broadband | 92% | 83% | 100% |
| Superfast broadband | 97% | 93% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (CM1 1); 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 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.