CO12 3SX
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Property report — CO12 3SX
Open-data due diligence for CO12 3SX and the area around it.
CO12 3SX in brief: 106 recorded sales (£36,095–£310,000) · low flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for CO12 3SX itself. Where open data isn't published that finely (population, crime, schools), we show the CO12 3 sector — each figure below is tagged with its scope.
Avg sold price
£230,025
Population
16,125
Crimes recorded
22
Schools
3
Flood risk
Low
Gigabit broadband
89%
Sold-price trend (1995–2026)
Annual sold price in CO12 3, 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 (33 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2026-02-26 | £265,000 | 35 ST DENIS CLOSE | Detached |
| 2025-08-22 | £180,000 | 25 ST DENIS CLOSE | Terraced |
| 2024-09-12 | £255,000 | 35 ST DENIS CLOSE | Detached |
| 2023-07-11 | £310,000 | 39 ST DENIS CLOSE | Detached |
| 2022-08-05 | £245,000 | 11 ST DENIS CLOSE | Semi-detached |
| 2022-06-29 | £205,000 | 7 ST DENIS CLOSE | Semi-detached |
| 2021-05-26 | £190,000 | 12 ST DENIS CLOSE | Semi-detached |
| 2019-08-27 | £210,000 | 4 ST DENIS CLOSE | Semi-detached |
| 2019-05-31 | £230,000 | 33 ST DENIS CLOSE | Detached |
| 2019-05-28 | £186,000 | 1 ST DENIS CLOSE | Semi-detached |
| 2018-06-22 | £248,000 | 20 ST DENIS CLOSE | Detached |
| 2017-11-13 | £177,000 | 12 ST DENIS CLOSE | Semi-detached |
| 2017-11-02 | £153,000 | 17 ST DENIS CLOSE | Detached |
| 2017-09-08 | £250,000 | 39 ST DENIS CLOSE | Detached |
| 2017-08-25 | £160,000 | 27 ST DENIS CLOSE | Terraced |
| 2016-09-30 | £160,000 | 3 ST DENIS CLOSE | Semi-detached |
| 2016-03-31 | £173,500 | 29 ST DENIS CLOSE | Terraced |
| 2016-02-25 | £224,950 | 16 ST DENIS CLOSE | Detached |
| 2016-01-21 | £155,000 | 8 ST DENIS CLOSE | Semi-detached |
| 2015-10-01 | £173,250 | 41 ST DENIS CLOSE | Detached |
| 2014-07-25 | £208,500 | 18 ST DENIS CLOSE | Detached |
| 2014-04-28 | £143,500 | 6 ST DENIS CLOSE | Semi-detached |
| 2013-11-12 | £131,500 | 12 ST DENIS CLOSE | Semi-detached |
| 2013-09-27 | £175,000 | 39 ST DENIS CLOSE | Detached |
| 2013-08-02 | £177,500 | 20 ST DENIS CLOSE | Detached |
| 2011-09-01 | £143,000 | 37 ST DENIS CLOSE | Detached |
| 2011-05-06 | £201,000 | 20 ST DENIS CLOSE | Detached |
| 2010-08-26 | £170,000 | 5 ST DENIS CLOSE | Detached |
| 2010-07-16 | £130,000 | 12 ST DENIS CLOSE | Semi-detached |
| 2009-12-17 | £183,500 | 20 ST DENIS CLOSE | Detached |
| 2009-07-02 | £143,500 | 41 ST DENIS CLOSE | Detached |
| 2009-06-19 | £150,000 | 35 ST DENIS CLOSE | Detached |
| 2008-09-22 | £160,000 | 37 ST DENIS CLOSE | Detached |
| 2008-03-10 | £157,000 | 11 ST DENIS CLOSE | Semi-detached |
| 2008-01-04 | £195,000 | 43 ST DENIS CLOSE | Detached |
| 2007-03-08 | £176,000 | 2 ST DENIS CLOSE | Semi-detached |
| 2007-01-16 | £197,000 | 45 ST DENIS CLOSE | Detached |
| 2006-12-21 | £139,000 | 14 ST DENIS CLOSE | Semi-detached |
| 2006-12-07 | £158,000 | 4 ST DENIS CLOSE | Semi-detached |
| 2006-12-07 | £145,500 | 19 ST DENIS CLOSE | Terraced |
| 2006-10-23 | £140,000 | 7 ST DENIS CLOSE | Semi-detached |
| 2006-09-29 | £147,000 | 1 ST DENIS CLOSE | Semi-detached |
| 2006-08-31 | £177,000 | 35 ST DENIS CLOSE | Detached |
| 2006-04-18 | £173,500 | 5 ST DENIS CLOSE | Detached |
| 2005-11-29 | £202,650 | 45 ST DENIS CLOSE | Detached |
| 2005-07-21 | £147,500 | 4 ST DENIS CLOSE | Semi-detached |
| 2005-06-09 | £153,500 | 6 ST DENIS CLOSE | Semi-detached |
| 2005-01-13 | £132,000 | 12 ST DENIS CLOSE | Semi-detached |
| 2004-09-21 | £166,000 | 2 ST DENIS CLOSE | Semi-detached |
| 2004-08-17 | £135,000 | 11 ST DENIS CLOSE | Semi-detached |
| 2004-06-02 | £166,500 | 35 ST DENIS CLOSE | Detached |
| 2004-04-07 | £119,000 | 7 ST DENIS CLOSE | Semi-detached |
| 2004-03-19 | £155,000 | 33 ST DENIS CLOSE | Detached |
| 2003-08-20 | £106,000 | 27 ST DENIS CLOSE | Terraced |
| 2003-03-14 | £149,995 | 31 ST DENIS CLOSE | Detached |
| 2002-10-28 | £155,000 | 43 ST DENIS CLOSE | Detached |
| 2002-08-30 | £96,000 | 1 ST DENIS CLOSE | Semi-detached |
| 2001-11-20 | £139,000 | 45 ST DENIS CLOSE | Detached |
| 2001-07-05 | £99,995 | 39 ST DENIS CLOSE | Detached |
| 2000-11-07 | £99,000 | 16 ST DENIS CLOSE | Detached |
| 2000-10-13 | £69,500 | 11 ST DENIS CLOSE | Semi-detached |
| 2000-06-19 | £94,995 | 39 ST DENIS CLOSE | Detached |
| 2000-05-26 | £89,995 | 33 ST DENIS CLOSE | Detached |
| 1999-06-30 | £64,000 | 5 ST DENIS CLOSE | Detached |
| 1999-06-18 | £64,995 | 31 ST DENIS CLOSE | Detached |
| 1999-06-17 | £49,995 | 21 ST DENIS CLOSE | Terraced |
| 1999-05-14 | £66,000 | 35 ST DENIS CLOSE | Detached |
| 1999-04-12 | £51,000 | 7 ST DENIS CLOSE | Semi-detached |
| 1999-04-09 | £83,750 | 18 ST DENIS CLOSE | Detached |
| 1998-11-25 | £45,000 | 17 ST DENIS CLOSE | Detached |
| 1998-10-22 | £45,000 | 23 ST DENIS CLOSE | Terraced |
| 1998-07-24 | £45,000 | 10 ST DENIS CLOSE | Semi-detached |
| 1998-05-01 | £45,500 | 19 ST DENIS CLOSE | Terraced |
| 1998-03-30 | £45,995 | 12 ST DENIS CLOSE | Semi-detached |
| 1997-09-30 | £43,000 | 1 ST DENIS CLOSE | Semi-detached |
| 1997-07-09 | £55,000 | 31 ST DENIS CLOSE | Detached |
| 1997-07-08 | £55,000 | 37 ST DENIS CLOSE | Detached |
| 1997-04-25 | £59,000 | 33 ST DENIS CLOSE | Detached |
| 1997-04-16 | £74,095 | 18 ST DENIS CLOSE | Detached |
| 1997-02-14 | £74,995 | 45 ST DENIS CLOSE | Detached |
| 1997-01-13 | £55,995 | 5 ST DENIS CLOSE | Detached |
| 1996-12-05 | £41,325 | 9 ST DENIS CLOSE | Semi-detached |
| 1996-11-29 | £50,345 | 29 ST DENIS CLOSE | Terraced |
| 1996-11-22 | £56,525 | 41 ST DENIS CLOSE | Detached |
| 1996-10-28 | £41,325 | 3 ST DENIS CLOSE | Semi-detached |
| 1996-10-16 | £44,500 | 7 ST DENIS CLOSE | Semi-detached |
| 1996-10-09 | £38,995 | 15 ST DENIS CLOSE | Semi-detached |
| 1996-09-20 | £40,995 | 19 ST DENIS CLOSE | Terraced |
| 1996-09-12 | £40,995 | 23 ST DENIS CLOSE | Terraced |
| 1996-09-12 | £36,095 | 27 ST DENIS CLOSE | Terraced |
| 1996-09-12 | £39,500 | 17 ST DENIS CLOSE | Detached |
| 1996-09-06 | £40,995 | 21 ST DENIS CLOSE | Terraced |
| 1996-08-30 | £37,045 | 25 ST DENIS CLOSE | Terraced |
| 1996-08-27 | £38,945 | 11 ST DENIS CLOSE | Semi-detached |
| 1996-08-02 | £62,225 | 39 ST DENIS CLOSE | Detached |
| 1996-08-01 | £67,500 | 43 ST DENIS CLOSE | Detached |
| 1996-08-01 | £59,845 | 35 ST DENIS CLOSE | Detached |
| 1996-07-31 | £55,000 | 2 ST DENIS CLOSE | Semi-detached |
| 1996-07-05 | £65,075 | 16 ST DENIS CLOSE | Detached |
| 1996-06-28 | £39,995 | 14 ST DENIS CLOSE | Semi-detached |
| 1996-06-26 | £76,995 | 20 ST DENIS CLOSE | Detached |
| 1996-06-26 | £41,500 | 12 ST DENIS CLOSE | Semi-detached |
| 1996-06-18 | £41,995 | 8 ST DENIS CLOSE | Semi-detached |
| 1996-06-07 | £41,995 | 10 ST DENIS CLOSE | Semi-detached |
| 1996-05-24 | £50,350 | 6 ST DENIS CLOSE | Semi-detached |
| 1996-05-10 | £52,995 | 4 ST DENIS CLOSE | Semi-detached |
106 recorded sales on CO12 3SX. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Harwich and Dovercourt High School | 0.2 mi | Secondary | Good (2021) |
| St Joseph's Catholic Primary School | 0.4 mi | Primary | Report card → |
| All Saints' Church of England Voluntary Aided Primary School, Dovercourt | 0.5 mi | Primary | Good (2024) |
| Spring Meadow Primary School & Nursery | 0.6 mi | Primary | Good (2024) |
| Chase Lane Primary School and Nursery | 0.7 mi | Primary | Report card → |
| The Mayflower Primary School | 0.8 mi | Primary | Good (2022) |
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: MAYFLOWER MEDICAL CENTRE (0.5 mi) · FRONKS RD FAMILY SURGERY (0.6 mi) · HAREWOOD SURGERY (3.2 mi)
Nearest hospitals: HARWICH & DISTRICT HOSPITAL (0.5 mi) · THE FRYATT HOSPITAL AND MAYFLOWER MEDICAL CENTRE (0.5 mi) · FELIXSTOWE HOSPITAL (4.8 mi)
Nearest listed buildings: OLDE BARN COTTAGE (Grade II) (0.1 mi) · DOVERCOURT HALL (Grade II) (0.2 mi) · THE GRANGE (Grade II) (0.3 mi)
Nearest pharmacies: BORNO PHARMACY (0.5 mi) · OAKLEY PHARMACY (0.8 mi) · DAY LEWIS PHARMACY (1.1 mi)
Nearest stations: Dovercourt (1.2 mi) · Harwich International (1.5 mi) · Harwich Town (1.6 mi)
Nearest supermarkets: East of England CO-OP (0.5 mi) · Asda (0.9 mi) · Lidl (0.9 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 45
- One-person households
- 37%
- Households with children
- 25%
- Households
- 7,349
Owned 61% · Social rent 12% · Private rent 26%
Census 2021 (ONS), for CO12 3.
Recorded crime trend
Recorded crimes per month in CO12 3 (May 24–Apr 26, average 26/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 | DistrictCO12 | SectorCO12 3 | PostcodeCO12 3SX |
|---|---|---|---|
| Average sold price | £261,985 | £230,025 | £120,526 |
| Population | 27,546 | 16,125 | — |
| Deprivation decile (1 = most deprived) | 3/10 | 2/10 | — |
| Crimes recorded | 188 | 22 | — |
| Schools | 9 | 3 | — |
| Flood risk | High | High | Low |
| Gigabit broadband | 76% | 89% | 100% |
| Superfast broadband | 97% | 98% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (CO12 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 2 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.