BH21 4BY Dorset
Live postcode, introduced January 1980. Ward: Stour & Allen Vale. Region: South West.
Streets
- Unnamed street near New Cottages, Cowgrove: 9 addresses
- New Cottages, Cowgrove: 3 addresses
- Unnamed street near New Cottages, Sturminster Marshall: 1 address
Council tax
What each band costs in Dorset in 2026-27: Band D £2,765 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,843 | £2,151 | £2,458 | £2,765 | £3,379 | £3,994 | £4,608 | £5,530 |
Homes by band in the neighbourhood around this postcode: most are in band C (35% of about 540 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- 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: yes, Dorset.
Flood risk
Rivers, the sea or surface water: in this postcode, 1 address is in areas at high risk, 0 at medium risk and 0 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: of the 4 homes the Environment Agency counts, 1 are in areas at high risk, 0 medium, 0 low and 0 very low.
Groundwater flooding is possible in this postcode: an address there is in a groundwater flood alert area.
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 13 addresses are between 22 m and 44 m above sea level (27 m on average).
Broadband
Superfast 0%, ultrafast 0%, gigabit 0% of premises; 75% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Hamworthy 145,000 journeys in 2024–25 | 8.9 km |
| Holton Heath 42,000 journeys in 2024–25 | 10.3 km | |
| Poole 965,000 journeys in 2024–25 | 10.5 km | |
| Bus stops | 0 stops within 400 m, 2 within 800 m; nearest White Mill Car Park Sturminster Marshall | 680 m |
| Ferry terminal | Poole Quay Ferry Landing | 11.2 km |
| EV charging points | Be.EV Charging Station | 1.8 km |
| Airport with scheduled flights | Bournemouth Airport BOH | 15.2 km |
| Nearest large airport | Bristol Airport BRS | 79.5 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Walford Mill Medical Centre | 4.5 km |
| Pharmacies | Wellbeing Pharmacy | 1.7 km |
| NHS dentists | Wimborne Private Clinic | 4.5 km |
| Hospital | Wimborne Community Hospital | 4.0 km |
| Police station | Dorset Police | 4.9 km |
| Cash machines | The Cooperative Food Corfe Mullen - Towers Way, Corfe Mullen Cashzone | 3.9 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Market Place 790 m² | 1.4 km |
| Play area | Unnamed 650 m² | 1.7 km |
| Playing field | Unnamed 2.4 ha | 1.8 km |
| Allotments | Kingston Lacy Allotments 1.2 ha | 1.7 km |
Landmarks
The nearest historic landmark is White Mill Bridge, a listed building (Grade I), 660 m west. 5 listed buildings are within 1.0 km, 1 of them Grade I.
| Name | What it is | From the postcode's centre |
|---|---|---|
| White Mill Bridge | Listed building, Grade I | 660 m west |
| Medieval standing cross 15m south west of St Mary's Church | Scheduled monument | 1.3 km west |
| A shrunken medieval village and earlier prehistoric settlement remains at Walnut Tree Field | Scheduled monument | 1.4 km west |
| Kingston Lacy | Registered park or garden, Grade II | 1.7 km north-east |
| Site of the medieval manor house and associated buildings of Kingston Lacy | Scheduled monument | 1.9 km north-east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Wynne Copse | Wood | 1.0 km east |
| Ralph Copse | Wood | 1.2 km north-east |
| Coneygar Copse | Wood | 1.2 km north-east |
| Locust Clump | Wood | 1.5 km north |
| Pamphill | Hill | 2.5 km east |
| Founder Hole | Lake or reservoir | 4.0 km east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 4.5 | 40 | 10 |
| Fine particles (PM2.5) | 5.6 | 20 | 5 |
| Particles (PM10) | 9.4 | 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 |
|---|---|---|
| 55 to 59 | 1 | 0 |
| Under 55 | 12 | 13 |
1 of the postcode's 13 addresses is modelled at 55 dB or more from road traffic, above the WHO guidelines.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 51 | 40 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 18% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 22% | 61% |
| Owned outright | 12% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 20% | 17% |
| Private rented | 57% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 68% | 57% |
| Unemployment (of those working or looking for work) | 3% | 6% |
| Retired (of adults) | 19% | 22% |
| Long-term sick or disabled (of adults) | 4% | 4% |
| Work mainly from home (of those in work) | 25% | 32% |
| Travel to work by car or van | 65% | 48% |
| By train, Underground, metro or tram | under 1% | 4% |
| By any public transport, including bus | 1% | 8% |
| On foot or by bicycle | 7% | 10% |
| Work within 10 km of home (of those who travel to work) | 56% | 65% |
| Work 30 km or more away | 6% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 27% | 34% |
| No qualifications | 10% | 18% |
| Apprenticeship as highest qualification | 11% | 5% |
| Main language English (aged 3 and over) | 100% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 5 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 Unnamed street near New Cottages.