SL4 6AR Windsor and Maidenhead
Live postcode, introduced January 1980. Ward: Eton & Castle. Region: South East.
Streets
- High Street, Eton: 34 addresses
- Sun Close, Eton: 7 addresses
- Slough Road, Eton: 1 address
Council tax
What each band costs in Windsor and Maidenhead in 2026-27: Band D £1,953 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,302 | £1,519 | £1,736 | £1,953 | £2,387 | £2,820 | £3,254 | £3,905 |
Homes by band in the neighbourhood around this postcode: most are in band D (27% of about 1,130 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 16.
- 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
- 118, 118A AND 119, HIGH STREET, grade II
- 121-123, HIGH STREET, grade II
- 126-131, HIGH STREET, grade II
- 13 AND 14, HIGH STREET, grade II
- 132 AND 133, HIGH STREET, grade II
- 134-137, HIGH STREET, grade II
- 17 and 17A High Street, grade II
- 18, HIGH STREET, grade II
- 19, 20, 21 AND 21A, HIGH STREET, grade II
- 22 AND 23, HIGH STREET, grade II
- 24 AND 25, HIGH STREET, grade II
- 5 AND 6, HIGH STREET, grade II
- BARNESPOOL BRIDGE, grade II
- ETON SCHOOL STORES (SOUTH BUILDING), grade II
- MIDLAND BANK LIMITED, grade II
- Porny School, grade II
Brownfield land registered for housing within 1 km (0.6 miles)
- Windsor and Eton Riverside Station Car Park, REC (380 m)
- Windsor and Eton Riverside Station Car Park: up to 30 homes, not permissioned (430 m (0.3 miles))
Flood risk
Rivers, the sea or surface water: in this postcode, 2 addresses are in areas at high risk, 21 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: of the 19 homes the Environment Agency counts, 0 are in areas at high risk, 16 medium, 3 low and 0 very low.
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: the postcode centre is in flood zone 3. Zone 3 is a 1% (1 in 100) or greater annual chance of flooding from rivers, or 0.5% from the sea, ignoring defences.
Height above sea level
The postcode's addresses are about 20 m above sea level.
Broadband
Superfast 27%, ultrafast 27%, gigabit 27% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Windsor and Eton Riverside 1.1 million journeys in 2024–25 | 500 m (0.3 miles) |
| Windsor and Eton Central 1.7 million journeys in 2024–25 | 720 m (0.4 miles) | |
| Datchet 228,000 journeys in 2024–25 | 2.2 km (1.4 miles) | |
| Bus stops | 7 stops within 400 m (0.2 miles), 16 within 800 m (0.5 miles); nearest High Street Eton | 20 m |
| Bus or coach station | Brunel Way Slough Town Centre | 2.7 km (1.7 miles) |
| Car parks | 4 within 800 m (0.5 miles); nearest Meadow Lane Car Park | 290 m |
| EV charging points | 10 within 1.6 km (1 mile); nearest Shell Recharge Charging Station | 1.1 km (0.7 miles) |
| Airport with scheduled flights | London Heathrow Airport LHR | 10.6 km (6.6 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 4 practices within 1.6 km (1 mile); nearest South Meadow Surgery | 120 m |
| Pharmacies | 4 pharmacies within 1.6 km (1 mile); nearest Eton Pharmacy | 100 m |
| NHS dentists | 7 practices within 1.6 km (1 mile); nearest 1 Farm Yard | 510 m (0.3 miles) |
| Hospital | Hrh Princess Christian's Hospital | 1.1 km (0.7 miles) |
| Police station | Thames Valley Police - Windsor Police Station | 1.4 km (0.9 miles) |
| Cash machines | 1 machines within 800 m (0.5 miles); nearest Snax 24 - Rushden | 270 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 4 within 800 m (0.5 miles); nearest South Meadow 16 ha | 130 m |
| Play area | 2 within 800 m (0.5 miles); nearest Unnamed 430 m² | 290 m |
| Playing field | 3 within 800 m (0.5 miles); nearest Unnamed 5.4 ha | 250 m |
| Allotments | 1 within 800 m (0.5 miles); nearest Unnamed 5,680 m² | 650 m (0.4 miles) |
Within 800 m (0.5 miles): 4 parks and gardens, 31 hectares in all.
Landmarks
The nearest historic landmark is St Christopher's, a listed building (Grade II*), 130 m north. 185 listed buildings are within 1 km (0.6 miles), 2 of them Grade I and 12 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| St Christopher's | Listed building, Grade II* | 130 m north |
| Lower Chapel, Eton College | Listed building, Grade II* | 180 m north-west |
| 42, High Street | Listed building, Grade II* | 210 m south |
| Statue of Henry VI, Eton College | Listed building, Grade II* | 250 m north |
| Eton College | Registered park or garden, Grade II | 510 m (0.3 miles) north-east |
| Windsor Castle | Scheduled monument | 770 m (0.5 miles) south-east |
| The Royal Estate, Windsor: Windsor Castle and Home Park | Registered park or garden, Grade I | 1.6 km (1 mile) south-east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Barne's Pool | Lake or reservoir | 90 m north |
| Cutlers Ait | Island | 230 m east |
| Firework Ait | Island | 510 m (0.3 miles) south |
| Lock Cut | Lake or reservoir | 520 m (0.3 miles) north-east |
| Queen Mary's Plantation | Wood | 2.6 km (1.6 miles) south |
| Peter's Hill | Hill | 3.6 km (2.2 miles) south |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 13.3 | 40 | 10 |
| Fine particles (PM2.5) | 7.6 | 20 | 5 |
| Particles (PM10) | 11.4 | 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, rail and aircraft noise
| Level | Road traffic | Railways | Aircraft |
|---|---|---|---|
| 65 to 69 | 5 | 0 | 0 |
| 60 to 64 | 21 | 0 | 0 |
| 55 to 59 | 4 | 0 | 0 |
| Under 55 | 12 | 42 | 42 |
30 of the postcode's 42 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 | 44 | 40 |
| Children under 15 | 17% | 17% |
| Aged 65 and over | 18% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 39% | 61% |
| Owned outright | 20% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 6% | 17% |
| Private rented | 55% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 72% | 57% |
| Unemployment (of those working or looking for work) | 2% | 6% |
| Retired (of adults) | 20% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 39% | 32% |
| Travel to work by car or van | 18% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 2% | 8% |
| On foot or by bicycle | 36% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 80% | 65% |
| Work 30 km (19 miles) or more away | 3% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 70% | 34% |
| No qualifications | 7% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 91% | 91% |
| Cannot speak English well or at all | 3% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 9 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 High Street.