CT21 postcode area guide — Folkestone and Hythe

Where is CT21?

Broadband & internet speeds in CT21

Strong coverage

Broadband availability in the CT21 postcode district (Folkestone and Hythe) is Strong — superfast is near-universal and gigabit is rolling out. Across the 641 postcodes Ofcom measures in CT21, superfast broadband (30 Mbit/s or faster) reaches 92.2% of premises and gigabit-capable lines are available to 79%.

Around 0.2% of premises in CT21 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in CT21

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Folkestone and Hythe

Ofcom's coverage model for the wider Folkestone And Hythe district (56,407 premises):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in CT21

Police recorded 62 incidents within about a mile of the centre of CT21 in May 2026 (latest published street-level data). The breakdown:

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in CT21

Based on 224 sales registered with HM Land Registry in the last 12 months, the median sold price in CT21 is £370,000, up 9.7% on the previous year (£337,246).

Latest recorded sales in CT21

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Folkestone and Hythe demographics

Census 2021 figures for the wider Folkestone and Hythe district (109,759 residents, 48,337 households):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around CT21

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in CT21

169 rated food businesses operate in CT21. 124 hold the top rating of 5, 15 are rated 4, and 2 are rated 2 or below.

Among the 5-rated: Abbey Lodge Residential Home, Age UK Hythe and Lyminge, Aldi, Ashford Outside Catering, Azzur Italian.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in CT21

From a sample of 178 Energy Performance Certificates across 11 CT21 postcodes, the most common rating is band D (average band D). 44% of sampled homes are rated C or better.

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Folkestone and Hythe

Landlines around CT21 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in CT21?

Postcodes in CT21

Neighbouring districts

All Canterbury (CT) postcode districts ›

Frequently asked questions

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.