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Castle Bay, Sandgate, Folkestone

MyStreetCheck free street report: Castle Bay, Sandgate, Folkestone · 24 October 2026 · www.mystreetcheck.co.uk/folkestone-kent/castle-bay/

House prices, sold prices and local information for CT20 3DU.

Average price (last 12 months)
£395,000
1 sale
Average price (since 2019)
£339,750
16 sales
Price range
£233k – £530k
lowest to highest sale
Last sale
22 May 2026
CT20 3DU

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At a glance

House prices£340k averageSince 2019 (few recent sales) CrimeAbout averageLower crime than about 50% of neighbourhoods in England DeprivationAbout averageDecile 6 of 10 (10 = least deprived) Nearest station25 min walkFolkestone West station Schools5 rated Good or betterWithin 1.5 miles Ultrafast broadband88% of homesNational average 80%

16 property sales on Castle Bay, Sandgate, Folkestone have been recorded by HM Land Registry since 2019. In the last 12 months 1 home sold here for an average of £395,000. Most sales here are flat homes, which have sold for an average of £288,563. 2 homes here have sold more than once since 2019; 1 of them sold for more the second time.

House prices on Castle Bay compared

CT20 postcode area£303,147
Folkestone£318,465
England & Wales£356,718

Average sale price over the last 12 months. Castle Bay has had fewer than two sales in that time, so it is left out. See all CT20 house prices.

Average sale price by year

2019: £530,000 (1 sales)2019£530k2020: £264,875 (4 sales)2020£265k2021: £329,333 (3 sales)2021£329k2022: £370,000 (1 sales)2022£370k2023: £317,500 (2 sales)2023£318k2024: £315,000 (1 sales)2024£315k2025: £381,167 (3 sales)2025£381k2026: £395,000 (1 sales)2026£395k

Tenure: 47% freehold and 53% leasehold across 17 recorded sales. Lease extension calculator.

Prices by property type

TypeSalesAverage priceLast sold
Flat8£288,56324 Feb 2025
Semi-detached4£376,12522 May 2026
Detached2£440,00027 Apr 2021
Terraced2£371,5002 Sep 2022

Sold prices on Castle Bay

AddressDatePriceTypeTenure
15, Castle Bay CT20 3DU 22 May 2026£395,000 Semi-detachedFreehold
16, Castle Bay CT20 3DU 17 Apr 2025£420,000 Semi-detachedFreehold
7, Castle Bay CT20 3DU 24 Feb 2025£296,000 FlatLeasehold
12, Castle Bay CT20 3DU 5 Feb 2025£427,500 Semi-detachedFreehold
7, Castle Bay CT20 3DU 27 Mar 2024£315,000 FlatLeasehold
3, Castle Bay CT20 3DU 22 Sep 2023£280,000 FlatLeasehold
4, Castle Bay CT20 3DU 1 Sep 2023£355,000 FlatLeasehold
43, Castle Bay CT20 3DU 2 Sep 2022£370,000 TerracedFreehold
6, Castle Bay CT20 3DU 4 Jun 2021£265,000 FlatLeasehold
Garden Lodge, Castle Bay CT20 3DU 27 Apr 2021£350,000 DetachedFreehold
33, Castle Bay CT20 3DU 26 Mar 2021£373,000 TerracedFreehold
9, Castle Bay CT20 3DU 1 Dec 2020£280,000 FlatLeasehold
Flat 2, Latchgate, Castle Bay CT20 3DU 1 Dec 2020£232,500 FlatLeasehold
Flat 3, Latchgate, Castle Bay CT20 3DU 17 Sep 2020£330,000 FlatLeasehold
11, Castle Bay CT20 3DU 9 Mar 2020£262,000 Semi-detachedFreehold
7, Castle Bay CT20 3DU 6 Mar 2020£235,000 FlatLeasehold
Garden Lodge, Castle Bay CT20 3DU 20 Aug 2019£530,000 DetachedFreehold

Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.

Sale history: homes sold more than once

AddressSalesChange
7, Castle Bay £235,000 (Mar 2020) → £315,000 (Mar 2024) → £296,000 (Feb 2025) +26%
over 5 yrs
Garden Lodge, Castle Bay £530,000 (Aug 2019) → £350,000 (Apr 2021) -34%
over 2 yrs

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Schools near Castle Bay

SchoolTypeAgesOfstedDistance
Seabrook Church of England Primary School 104 pupils Primary Church of England 5–11 Good Report 0.5 mi
The Folkestone School for Girls 1,145 pupils Secondary 11–18 Good Report 0.9 mi
Folkestone, St Martin's Church of England Primary School 196 pupils Primary Church of England 4–11 Report 0.9 mi
Sandgate Primary School 419 pupils Primary 4–11 Good Report 1.0 mi
Cheriton Primary School 391 pupils Primary 4–11 Report 1.0 mi
All Soul's Church of England Primary School 256 pupils Primary Church of England 4–11 Good Report 1.2 mi
Morehall Primary School and Nursery 249 pupils Primary 2–11 Good Report 1.4 mi
Birchwood Pupil referral unit 14–16 Report 1.4 mi

Source: Department for Education (Get Information about Schools) and Ofsted. Grades are from each school's last graded inspection; newer inspections use report cards without a single overall grade, so check the full report. Distances are straight-line. Check catchment areas with the local council.

Getting around, shops and health

Train stations

  • Folkestone West station 1.3 mi · 25 min walk
  • Folkestone Central station 1.8 mi · 36 min walk
  • Sandling station 3.1 mi · 1 hr 2 min walk

Nearest bus stops

  • Castle Bay (adj, Sandgate Esplanade) 2 min walk
  • Castle Bay (opp, Sandgate Esplanade) 2 min walk
  • Brewer's Hill (opp, Sandgate Esplanade) 3 min walk
  • Brewer's Hill (adj, Sandgate Esplanade) 4 min walk

GP surgeries

  • White House Surgery
    1 Cheriton High Street, Folkestone · 1.2 mi
  • Sandgate Road
    180 Sandgate Road, Folkestone · 1.2 mi
  • Manor Clinic
    31 Manor Road, Folkestone · 1.9 mi
  • Sun Lane
    5 Sun Lane, Hythe · 1.9 mi

Supermarkets

  • Budgens Budgens Hythe Service Station · 0.4 mi
  • Marks and Spencer BP M&S Cheriton Folkestone BP · 1.1 mi
  • The Co-operative Food Co-op Cheriton · 1.2 mi
  • Tesco Tesco Folkestone Superstore · 1.2 mi

Pharmacies

  • Paydens Pharmacy · 1.2 mi
  • Folkestone Pharmacy · 1.2 mi
  • Tesco Instore Pharmacy · 1.2 mi

Dentists

  • Folkestone Dental Centre · 0.4 mi
  • Neka Wellbeing Sandgate · 0.5 mi
  • Cheriton Dental Practice · 1.2 mi

Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.

Area profile

Deprivation

12345678910

This neighbourhood is in decile 6 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived 10% of areas in England and 10 the least deprived.

Income5 of 10
Employment7 of 10
Education and skills6 of 10
Health and disability6 of 10
Crime6 of 10
Access to housing and services5 of 10
Living environment7 of 10

Each domain ranked in deciles across England (10 = least deprived).

Homes

HereEng & Wales
Owned70.5%62.5%
Private rented21.5%20.3%
Social rented8.0%17.1%
Households678

People

HereEng & Wales
Under 1512.1%17.4%
Aged 15–6467.0%64.1%
Aged 65+20.9%18.6%
Residents1,805

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)88%80%
Gigabit-capable88%80%

Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.

Mobile signal

HereEng & Wales
4G indoors, all 4 networks84%89%
4G indoors, at least 1 network100%100%
4G outdoors, all 4 networks99%99%
Calls indoors, all 4 networks85%92%

Share of homes across Folkestone and Hythe with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.

Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.

Energy ratings and home sizes on Castle Bay

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Who lives around Castle Bay

Ethnic group

HereFolkestone and Hythe
White71.8%92.6%
Asian, Asian British or Asian Welsh23.2%3.9%
Mixed or Multiple ethnic groups2.4%1.9%
Other ethnic group2.1%1%
Black, Black British, Black Welsh, Caribbean or African0.6%0.6%

Religion

HereFolkestone and Hythe
Christian37%48%
No religion34.3%41.8%
Hindu12.3%1.5%
Buddhist7.6%1%
Not answered4.5%5.7%
Other religion3.1%0.9%
Muslim0.9%1%
Jewish0.3%0.1%

Country of birth

HereFolkestone and Hythe
Born in the UK67.2%89.5%
Born outside the UK32.8%10.5%

Highest qualification

HereFolkestone and Hythe
Level 4 qualifications and above31.7%27.4%
Apprenticeship20.7%6.3%
Level 3 qualifications14.3%17.2%
Level 2 qualifications11.3%14.9%
No qualifications10.7%19.4%
Level 1 and entry level qualifications9.1%11.6%
Other qualifications2.2%3.2%

General health

HereFolkestone and Hythe
Very good health56.6%43.2%
Good health29.8%35%
Fair health9.8%15.3%
Bad health2.5%5%
Very bad health1.3%1.5%

Cars or vans per household

HereFolkestone and Hythe
1 car or van in household47.8%42.8%
2 cars or vans in household27.7%26.5%
No cars or vans in household15.9%20.5%
3 or more cars or vans in household8.6%10.3%

Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.

Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Folkestone and Hythe.

Planning and heritage near Castle Bay

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Noise, radon and ground hazards

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Nearby streets in CT20

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