CT20 3DU
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Property report — CT20 3DU
Open-data due diligence for CT20 3DU and the area around it.
CT20 3DU in brief: 96 recorded sales (£18,500–£530,000) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for CT20 3DU itself. Where open data isn't published that finely (population, crime, schools), we show the CT20 3 sector — each figure below is tagged with its scope.
Avg sold price
£335,691
Population
20,042
Crimes recorded
23
Schools
4
Flood risk
None modelled
Gigabit broadband
89%
Sold-price trend (1995–2026)
Annual sold price in CT20 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 (44 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2025-04-17 | £420,000 | 16 CASTLE BAY | Semi-detached |
| 2025-02-24 | £296,000 | 7 CASTLE BAY | Flat |
| 2025-02-05 | £427,500 | 12 CASTLE BAY | Semi-detached |
| 2024-03-27 | £315,000 | 7 CASTLE BAY | Flat |
| 2023-09-22 | £280,000 | 3 CASTLE BAY | Flat |
| 2023-09-01 | £355,000 | 4 CASTLE BAY | Flat |
| 2022-09-02 | £370,000 | 43 CASTLE BAY | Terraced |
| 2021-06-04 | £265,000 | 6 CASTLE BAY | Flat |
| 2021-04-27 | £350,000 | GARDEN LODGE CASTLE BAY | Detached |
| 2021-03-26 | £373,000 | 33 CASTLE BAY | Terraced |
| 2020-12-01 | £280,000 | 9 CASTLE BAY | Flat |
| 2020-12-01 | £232,500 | FLAT 2, LATCHGATE CASTLE BAY | Flat |
| 2020-09-17 | £330,000 | FLAT 3, LATCHGATE CASTLE BAY | Flat |
| 2020-03-09 | £262,000 | 11 CASTLE BAY | Semi-detached |
| 2020-03-06 | £235,000 | 7 CASTLE BAY | Flat |
| 2019-08-20 | £530,000 | GARDEN LODGE CASTLE BAY | Detached |
| 2019-07-03 | £230,000 | 32 CASTLE BAY | Flat |
| 2017-12-15 | £200,000 | 29 CASTLE BAY | Flat |
| 2017-02-21 | £218,000 | 18 CASTLE BAY | Terraced |
| 2016-10-21 | £275,000 | FLAT 3, LATCHGATE CASTLE BAY | Flat |
| 2016-06-24 | £232,000 | 4 CASTLE BAY | Flat |
| 2016-03-24 | £237,500 | 34 CASTLE BAY | Terraced |
| 2016-03-21 | £270,000 | 41 CASTLE BAY | Terraced |
| 2015-09-16 | £155,000 | 23 CASTLE BAY | Flat |
| 2015-07-31 | £230,000 | 33 CASTLE BAY | Terraced |
| 2015-02-06 | £269,000 | 14 CASTLE BAY | Semi-detached |
| 2014-11-05 | £172,500 | 5 CASTLE BAY | Flat |
| 2014-02-24 | £205,000 | 35 CASTLE BAY | Terraced |
| 2014-01-31 | £190,000 | 4 CASTLE BAY | Flat |
| 2013-11-26 | £274,000 | 13 CASTLE BAY | Semi-detached |
| 2013-11-14 | £235,000 | 9 CASTLE BAY | Flat |
| 2013-10-04 | £135,000 | 27 CASTLE BAY | Flat |
| 2012-07-09 | £156,500 | 19 CASTLE BAY | Terraced |
| 2012-06-28 | £330,000 | FLAT 5, LATCHGATE CASTLE BAY | Flat |
| 2012-02-28 | £269,950 | 12 CASTLE BAY | Semi-detached |
| 2011-08-16 | £125,000 | 9 CASTLE BAY | Flat |
| 2011-05-12 | £175,000 | 35 CASTLE BAY | Terraced |
| 2010-07-23 | £185,000 | 2 CASTLE BAY | Flat |
| 2010-06-30 | £249,500 | 44 CASTLE BAY | Semi-detached |
| 2010-06-01 | £160,000 | 4 CASTLE BAY | Flat |
| 2009-12-11 | £215,000 | FLAT 3, LATCHGATE CASTLE BAY | Flat |
| 2008-05-30 | £190,000 | 6 CASTLE BAY | Flat |
| 2008-03-28 | £322,000 | 10 CASTLE BAY | Detached |
| 2007-10-19 | £164,000 | 8 CASTLE BAY | Flat |
| 2007-07-17 | £205,000 | 9 CASTLE BAY | Flat |
| 2007-07-17 | £311,000 | 10 CASTLE BAY | Detached |
| 2007-07-17 | £211,000 | 12 CASTLE BAY | Semi-detached |
| 2006-10-11 | £164,995 | 27 CASTLE BAY | Flat |
| 2006-05-30 | £227,000 | 14 CASTLE BAY | Semi-detached |
| 2006-01-09 | £195,000 | 3 CASTLE BAY | Flat |
| 2005-08-08 | £179,000 | 20 CASTLE BAY | Terraced |
| 2004-11-05 | £217,000 | 13 CASTLE BAY | Semi-detached |
| 2004-08-26 | £168,500 | 34 CASTLE BAY | Terraced |
| 2004-07-28 | £155,000 | 17 CASTLE BAY | Semi-detached |
| 2004-02-19 | £160,000 | 27 CASTLE BAY | Flat |
| 2003-12-03 | £126,500 | 32 CASTLE BAY | Flat |
| 2003-09-17 | £150,000 | FLAT 3, LATCHGATE CASTLE BAY | Flat |
| 2003-07-17 | £182,500 | 44 CASTLE BAY | Semi-detached |
| 2003-02-21 | £128,000 | 31 CASTLE BAY | Flat |
| 2002-11-22 | £156,500 | 13 CASTLE BAY | Semi-detached |
| 2002-08-19 | £123,000 | 1 CASTLE BAY | Flat |
| 2002-07-19 | £120,000 | 26 CASTLE BAY | Flat |
| 2002-06-14 | £119,950 | FLAT 2, LATCHGATE CASTLE BAY | Flat |
| 2002-03-26 | £98,500 | 23 CASTLE BAY | Flat |
| 2001-12-14 | £102,000 | 40 CASTLE BAY | Terraced |
| 2001-11-06 | £92,500 | 3 CASTLE BAY | Flat |
| 2001-09-28 | £96,500 | FLAT 1, LATCHGATE CASTLE BAY | Flat |
| 2001-04-10 | £105,000 | 41 CASTLE BAY | Terraced |
| 2001-02-05 | £81,000 | 30 CASTLE BAY | Flat |
| 2000-10-02 | £76,000 | 4 CASTLE BAY | Flat |
| 2000-02-29 | £103,000 | 12 CASTLE BAY | Semi-detached |
| 1999-11-05 | £49,000 | FLAT 2, LATCHGATE CASTLE BAY | Flat |
| 1999-06-10 | £70,000 | FLAT 4, LATCHGATE CASTLE BAY | Flat |
| 1999-01-21 | £71,500 | 4 CASTLE BAY | Flat |
| 1998-12-23 | £59,950 | 27 CASTLE BAY | Flat |
| 1998-07-20 | £110,000 | FLAT 5, LATCHGATE CASTLE BAY | Flat |
| 1998-07-10 | £25,000 | 27 CASTLE BAY | Flat |
| 1997-11-28 | £72,500 | 14 CASTLE BAY | Semi-detached |
| 1997-11-14 | £100,000 | FLAT 5, LATCHGATE CASTLE BAY | Flat |
| 1997-08-15 | £46,000 | 23 CASTLE BAY | Flat |
| 1997-07-31 | £38,495 | 28 CASTLE BAY | Flat |
| 1997-06-18 | £74,750 | 36 CASTLE BAY | Semi-detached |
| 1997-05-30 | £59,950 | 18 CASTLE BAY | Terraced |
| 1997-03-24 | £35,995 | 30 CASTLE BAY | Flat |
| 1996-12-16 | £54,000 | 34 CASTLE BAY | Terraced |
| 1996-12-10 | £36,000 | 31 CASTLE BAY | Flat |
| 1996-11-13 | £60,000 | 7 CASTLE BAY | Flat |
| 1996-10-18 | £59,500 | 39 CASTLE BAY | Semi-detached |
| 1996-07-24 | £64,750 | 1 CASTLE BAY | Flat |
| 1996-04-04 | £18,500 | 23 CASTLE BAY | Flat |
| 1996-02-12 | £61,500 | 22 CASTLE BAY | Terraced |
| 1995-09-29 | £57,000 | 41 CASTLE BAY | Terraced |
| 1995-07-14 | £39,000 | 32 CASTLE BAY | Flat |
| 1995-06-30 | £60,000 | 1 CASTLE BAY | Flat |
| 1995-01-13 | £65,000 | 36 CASTLE BAY | Semi-detached |
| 1995-01-09 | £52,000 | FLAT 1, LATCHGATE CASTLE BAY | Flat |
96 recorded sales on CT20 3DU. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Seabrook Church of England Primary School | 0.5 mi | Primary | Good (2023) |
| The Folkestone School for Girls | 0.9 mi | Secondary | Good (2024) |
| Folkestone, St Martin's Church of England Primary School | 0.9 mi | Primary | Report card → |
| Sandgate Primary School | 1.0 mi | Primary | Good (2021) |
| Cheriton Primary School | 1.0 mi | Primary | Report card → |
| All Soul's Church of England Primary School | 1.1 mi | Primary | Good (2023) |
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: WHITE HOUSE SURGERY (1.2 mi) · SANDGATE ROAD (1.2 mi) · MANOR CLINIC (1.9 mi)
Nearest hospitals: ROYAL VICTORIA HOSPITAL (FOLKESTONE) (2.0 mi) · ROYAL VICTORIA HOSPITAL (2.0 mi) · ROYAL VICTORIA HOSPITAL FOLKESTONE (2.0 mi)
Nearest listed buildings: FRENCHES (Grade II) (0.0 mi) · LITTLEBOURNE LODGE (Grade II) (0.1 mi) · GRAFTON COTTAGE (Grade II) (0.1 mi)
Nearest pharmacies: PAYDENS PHARMACY (1.2 mi) · FOLKESTONE PHARMACY (1.2 mi) · TESCO INSTORE PHARMACY (1.2 mi)
Nearest stations: Folkestone West (1.3 mi) · Folkestone Central (1.8 mi) · Hythe Station (RHDR) (2.6 mi)
Nearest supermarkets: Tesco (1.2 mi) · Morrisons (1.5 mi) · Waitrose (1.9 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 43
- One-person households
- 31%
- Households with children
- 28%
- Households
- 8,319
Owned 63% · Social rent 10% · Private rent 27%
Census 2021 (ONS), for CT20 3.
Recorded crime trend
Recorded crimes per month in CT20 3 (May 24–Apr 26, average 28/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for CT20 3DU 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 | DistrictCT20 | SectorCT20 3 | PostcodeCT20 3DU |
|---|---|---|---|
| Average sold price | £306,595 | £335,691 | £175,894 |
| Population | 33,647 | 20,042 | — |
| Deprivation decile (1 = most deprived) | 4/10 | 6/10 | — |
| Crimes recorded | 285 | 23 | — |
| Schools | 9 | 4 | — |
| Flood risk | High | High | Low |
| Gigabit broadband | 73% | 89% | 88% |
| Superfast broadband | 98% | 98% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (CT20 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.