CT21 4AL Folkestone and Hythe
Live postcode, introduced January 1980. Ward: Hythe. Region: South East.
Streets
- Old Saltwood Lane, Saltwood: 23 addresses
Council tax
What each band costs in Folkestone and Hythe in 2026-27: Band D £2,539 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,693 | £1,975 | £2,257 | £2,539 | £3,103 | £3,667 | £4,231 | £5,078 |
Homes by band in the neighbourhood around this postcode: most are in band D (25% of about 960 homes).
Planning and heritage
- Conservation area: yes, Saltwood (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Flood risk
No address in this postcode is in an area at high, medium or low risk of flooding from rivers, the sea or surface water. The rest are in areas at very low risk: less than a 0.1% (1 in 1,000) chance a year.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The postcode's 23 addresses are between 63 m and 67 m above sea level (65 m on average).
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Sandling 75,000 journeys in 2024–25 | 1.4 km |
| Westenhanger 63,000 journeys in 2024–25 | 3.2 km | |
| Folkestone West 970,000 journeys in 2024–25 | 5.4 km | |
| Underground, metro or tram | Hythe Station (RHDR) | 1.0 km |
| Bus stops | 6 stops within 400 m, 21 within 800 m; nearest The Green Saltwood | 90 m |
| Ferry terminal | Folkestone Eurotunnel Terminal | 3.5 km |
| EV charging points | 5 within 1.6 km; nearest Military Road Cark Park | 940 m |
| Airport with scheduled flights | London Southend Airport SEN | 60.8 km |
| Nearest large airport | London Gatwick Airport LGW | 88.7 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km; nearest Sun Lane | 1.2 km |
| Pharmacies | 3 pharmacies within 1.6 km; nearest Boots | 1.1 km |
| NHS dentists | 2 practices within 1.6 km; nearest Country Dental LTD | 1.1 km |
| Hospital | Royal Victoria Hospital (Folkestone) | 6.7 km |
| Police station | Hythe Police Station | 1.2 km |
| Cash machines | Stop 24 Services Cashzone | 2.8 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m; nearest Brockhill Country Park 22 ha | 570 m |
| Play area | 2 within 800 m; nearest Grange Road Play Park 3,580 m² | 360 m |
| Playing field | 2 within 800 m; nearest Eaton Lands 9.8 ha | 520 m |
| Allotments | 2 within 800 m; nearest Unnamed 5,200 m² | 590 m |
Within 800 m: 1 park or garden, 22 hectares in all.
Landmarks
The nearest historic landmark is Church of St Peter and St Paul, a listed building (Grade II*), 390 m north-east. 45 listed buildings are within 1.0 km, 2 of them Grade I and 1 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Church of St Peter and St Paul | Listed building, Grade II* | 390 m north-east |
| Saltwood Castle (uninhabited portions) | Scheduled monument | 610 m north-east |
| Saltwood Castle | Listed building, Grade I | 630 m north-east |
| The Parish Church of St Leonard | Listed building, Grade I | 940 m south-east |
| Royal Military Canal, Scanlon's Bridge to Town Bridge | Scheduled monument | 1.0 km south |
| Royal Military Canal, Town Bridge to Twiss Road Bridge | Scheduled monument | 1.3 km south-east |
| Sandling Park | Registered park or garden, Grade II | 1.8 km north-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Willow Wood | Wood | 790 m north-west |
| Redbrooks Wood | Wood | 850 m south-west |
| Mill Leese Shaw | Wood | 900 m east |
| Black Hill | Hill | 1.5 km west |
| The Fishermans Landing Beach | Beach | 1.8 km south |
| Temple Pond | Lake or reservoir | 2.9 km north |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 6.4 | 40 | 10 |
| Fine particles (PM2.5) | 6.5 | 20 | 5 |
| Particles (PM10) | 10.1 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| Under 55 | 23 | 23 |
None of the postcode's 23 addresses is modelled at 55 dB or more from road or rail traffic.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 47 | 40 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 29% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 67% | 61% |
| Owned outright | 38% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 9% | 17% |
| Private rented | 24% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 48% | 57% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 34% | 22% |
| Long-term sick or disabled (of adults) | 4% | 4% |
| Work mainly from home (of those in work) | 39% | 32% |
| Travel to work by car or van | 47% | 48% |
| By train, Underground, metro or tram | under 1% | 4% |
| By any public transport, including bus | 2% | 8% |
| On foot or by bicycle | 10% | 10% |
| Work within 10 km of home (of those who travel to work) | 56% | 65% |
| Work 30 km or more away | 14% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 34% | 34% |
| No qualifications | 16% | 18% |
| Apprenticeship as highest qualification | 7% | 5% |
| Main language English (aged 3 and over) | 99% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 6 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Old Saltwood Lane.