SL3 0EA Slough
Live postcode, introduced January 1980. Ward: Colnbrook & Poyle. Region: South East.
Streets
- London Road, Slough: 10 addresses
- M25, Enfield: 3 addresses
- M25, Enfield: 2 addresses
- Lakeside Road, Slough: 2 addresses
- Old Slade Lane, Richings Park: 1 address
- Unnamed street near London Road, Poyle: 1 address
- Old Slade Lane, Richings Park: 1 address
- Colnbrook Bypass, London: 1 address
- M25, Enfield: 1 address
- M25, Enfield: 1 address
- Mill Street, Colnbrook: 1 address
Council tax
What each band costs in Slough in 2026-27: Band D £2,414 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,610 | £1,878 | £2,146 | £2,414 | £2,951 | £3,488 | £4,024 | £4,829 |
Homes by band in the neighbourhood around this postcode: most are in band C (39% of about 740 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, Slough.
Brownfield land registered for housing within 1.0 km
- Freestone Yard, Park Steet, Colnbrook, SL3 0HT, pending decision (320 m)
- Star & Garter, Park Street, Colnbrook, Slough, SL3 0JF, permissioned (400 m)
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 0 at medium risk and 1 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
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 25 addresses are between 21 m and 25 m above sea level (24 m on average).
Broadband
Superfast 40%, ultrafast 0%, gigabit 0% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Heathrow Terminal 5 (Rail Station Only) 4.7 million journeys in 2024–25 | 2.6 km |
| Iver 363,000 journeys in 2024–25 | 2.7 km | |
| Langley (Berks) 1.2 million journeys in 2024–25 | 3.0 km | |
| Bus stops | 4 stops within 400 m, 13 within 800 m; nearest Lakeside Road Colnbrook | 290 m |
| Bus or coach station | Heathrow Terminal 5 Heathrow Airport Terminal 5 | 2.5 km |
| Ferry terminal | Sunbury Ferry Landing | 11.9 km |
| Car parks | Heathrow Terminals 4-5 (Hilton) Car Park | 1.0 km |
| EV charging points | 2 within 1.6 km; nearest Roam Charging Station | 830 m |
| Airport with scheduled flights | London Heathrow Airport LHR | 4.3 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Langley Health Centre | 2.0 km |
| Pharmacies | 1 pharmacies within 1.6 km; nearest Colnbrook Pharmacy | 510 m |
| NHS dentists | Colnbrook By Pass | 2.4 km |
| Hospital | Ashford Hospital | 5.6 km |
| Police station | Thames Valley Police - Langley Police Station | 2.3 km |
| Cash machines | BP - Brands Hill SF Connect Cashzone | 1.2 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Harmondsworth Moor 86 ha | 1.3 km |
| Play area | 1 within 800 m; nearest Unnamed 1,050 m² | 630 m |
| Playing field | 1 within 800 m; nearest Unnamed 9,860 m² | 640 m |
| Allotments | Horsemoor Green Allotments 1.9 ha | 2.1 km |
Landmarks
The nearest historic landmark is King Johns Palace, a listed building (Grade II*), 410 m south-west. 30 listed buildings are within 1.0 km, 2 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| King Johns Palace | Listed building, Grade II* | 410 m south-west |
| The Ostrich Public House | Listed building, Grade II* | 440 m south-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Colnbrook Water | Lake or reservoir | 700 m east |
| Old Wood | Wood | 710 m north |
| Oak Plantation | Wood | 1.0 km north-west |
| Orlitts Lake | Lake or reservoir | 1.0 km north-east |
| Brands Hill | Hill | 1.9 km west |
| The Island | Island | 2.0 km east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 16.4 | 40 | 10 |
| Fine particles (PM2.5) | 7.8 | 20 | 5 |
| Particles (PM10) | 13.6 | 40 | 15 |
All three are within the UK legal limits; nitrogen dioxide and PM2.5 are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 75 dB or more | 3 | 0 |
| 70 to 74 | 1 | 0 |
| 65 to 69 | 11 | 0 |
| 60 to 64 | 8 | 0 |
| 55 to 59 | 2 | 0 |
| Under 55 | 0 | 25 |
25 of the postcode's 25 addresses are 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 | 37 | 40 |
| Children under 15 | 19% | 17% |
| Aged 65 and over | 12% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 62% | 61% |
| Owned outright | 23% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 12% | 17% |
| Private rented | 27% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 70% | 57% |
| Unemployment (of those working or looking for work) | 5% | 6% |
| Retired (of adults) | 12% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 22% | 32% |
| Travel to work by car or van | 59% | 48% |
| By train, Underground, metro or tram | 3% | 4% |
| By any public transport, including bus | 11% | 8% |
| On foot or by bicycle | 7% | 10% |
| Work within 10 km of home (of those who travel to work) | 67% | 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) | 33% | 34% |
| No qualifications | 17% | 18% |
| Apprenticeship as highest qualification | 6% | 5% |
| Main language English (aged 3 and over) | 74% | 91% |
| Cannot speak English well or at all | 3% | 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 London Road.