SG18 9LJ Central Bedfordshire
Live postcode, introduced January 1980. Ward: Northill. Region: East of England.
Streets
- Unnamed street near Bedford Road, Southill: 4 addresses
- Unnamed street near Ireland, Ireland: 2 addresses
- Unnamed street, Southill: 1 address
Council tax
What each band costs in Central Bedfordshire in 2026-27: Band D £2,516 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,677 | £1,957 | £2,237 | £2,516 | £3,075 | £3,634 | £4,194 | £5,032 |
Homes by band in the neighbourhood around this postcode: most are in band C (34% of about 650 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 6.
- 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.
Listed buildings
- ARCHWAY AND SCREEN WALL ADJOINING STABLEBLOCK TO NORTH WEST, grade II
- MONUMENT SET ON EDGE OF TERRACE BEFORE SOUTH EAST LOGGIA OF HOUSE, grade II
- STABLEBLOCK IMMEDIATELY EAST OF HOUSE, grade II
- STATUE 20 METRES SOUTH EAST OF STABLE BLOCK, grade II
- STATUE APPROXIMATELY 20 METRES SOUTH OF EAST END OF TERRACE, grade II
- STATUE APPROXIMATELY 70 METRES SOUTH OF EAST END OF HOUSE, grade II
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 7 addresses are between 46 m and 65 m above sea level (54 m on average).
Broadband
Superfast 67%, ultrafast 67%, gigabit 67% of premises; 33% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Biggleswade 895,000 journeys in 2024–25 | 5.3 km (3.3 miles) |
| Arlesey 688,000 journeys in 2024–25 | 6.2 km (3.9 miles) | |
| Sandy 679,000 journeys in 2024–25 | 7.5 km (4.7 miles) | |
| Bus stops | 1 stop within 400 m (0.2 miles), 1 within 800 m (0.5 miles); nearest White Horse Southill | 330 m |
| Bus or coach station | Interchange Biggleswade | 5.3 km (3.3 miles) |
| EV charging points | bp pulse Charging Station | 2.9 km (1.8 miles) |
| Airport with scheduled flights | London Luton Airport LTN | 21.3 km (13 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Shefford Health Centre | 3.4 km (2.1 miles) |
| Pharmacies | Jardines Pharmacy | 2.9 km (1.8 miles) |
| NHS dentists | Shefford Dental Practice | 2.9 km (1.8 miles) |
| Hospital | Biggleswade Hospital Spring House | 6.6 km (4.1 miles) |
| Police station | Biggleswade Police Station | 5.3 km (3.3 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Unnamed 66 ha | 2.7 km (1.7 miles) |
| Play area | 1 within 800 m (0.5 miles); nearest Unnamed 640 m² | 600 m (0.4 miles) |
| Playing field | 2 within 800 m (0.5 miles); nearest Unnamed 1.7 ha | 160 m |
Landmarks
The nearest historic landmark is Southill Park House, a listed building (Grade I), 140 m north-west. 39 listed buildings are within 1 km (0.6 miles), 2 of them Grade I and 1 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Southill Park House | Listed building, Grade I | 140 m north-west |
| North Terrace Approximately 50 Metres North of House | Listed building, Grade I | 150 m north-west |
| Parish Church of All Saints | Listed building, Grade II* | 260 m north-east |
| Southill Park | Registered park or garden, Grade II* | 460 m (0.3 miles) north-west |
| Old Warden Park (Including the Swiss Garden) | Registered park or garden, Grade II* | 2.1 km (1.3 miles) north |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Icehouse Hill | Hill | 260 m north-west |
| Round Basin | Lake or reservoir | 260 m north-west |
| Four Acres | Wood | 570 m (0.4 miles) south |
| Oldbroom Covert | Wood | 670 m (0.4 miles) south-west |
| Moorhall Covert | Wood | 750 m (0.5 miles) south-west |
| Portland Wood | Wood | 820 m (0.5 miles) west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 5.7 | 40 | 10 |
| Fine particles (PM2.5) | 6.7 | 20 | 5 |
| Particles (PM10) | 11.5 | 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 |
|---|---|---|
| 60 to 64 | 1 | 0 |
| Under 55 | 6 | 7 |
1 of the postcode's 7 addresses is modelled at 55 dB or more from road traffic, above the WHO guidelines.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for Central Bedfordshire: see them on the Central Bedfordshire page.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 52 | 40 |
| Children under 15 | 13% | 17% |
| Aged 65 and over | 22% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 22% | 61% |
| Owned outright | 13% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 5% | 17% |
| Private rented | 72% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 61% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 22% | 22% |
| Long-term sick or disabled (of adults) | 4% | 4% |
| Work mainly from home (of those in work) | 38% | 32% |
| Travel to work by car or van | 56% | 48% |
| By train, Underground, metro or tram | 1% | 4% |
| By any public transport, including bus | 2% | 8% |
| On foot or by bicycle | 1% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 42% | 65% |
| Work 30 km (19 miles) or more away | 21% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 31% | 34% |
| No qualifications | 21% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 98% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 4 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 Bedford Road.