SL4 3BP Windsor and Maidenhead
Live postcode, introduced January 1980. Ward: Eton & Castle. Region: South East.
Streets
- St Leonard's Road, Windsor: 62 addresses
- Trinity Place, Windsor: 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 (31% of about 1,300 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 21.
- 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
- 1 AND 3, SPINNERS WALK, grade II
- 1-3, TRINITY PLACE, grade II
- 10 and 11 Trinity Place, grade II
- 10, CLARENCE ROAD, grade II
- 10A, CLARENCE ROAD, grade II
- 12 AND 13, TRINITY PLACE, grade II
- 14 AND 15, TRINITY PLACE, grade II
- 2 AND 4, SPINNERS WALK, grade II
- 2 St Leonard's Road, grade II
- 2, CLARENCE ROAD, grade II
- 20 AND 21, TRINITY PLACE, grade II
- 22 AND 23, TRINITY PLACE, grade II
- 4 AND 5, TRINITY PLACE, grade II
- 6 AND 8, CLARENCE ROAD, grade II
- 6-9, TRINITY PLACE, grade II
- 6, SPINNERS WALK, grade II
- 69, VICTORIA STREET, grade II
- CHURCH OF HOLY TRINITY, grade II
- ELIBANK HOUSE, grade II
- Nos 39 to 51 (odd), St Leonard's Road, grade II
- THE BAPTIST CHURCH, grade II
Brownfield land registered for housing within 1.0 km
- Minton Place, Victoria Street, Windsor: up to 100 homes, not permissioned (160 m)
- Minton Place Victoria Street Windsor SL4 1EG (200 m)
- Windsor Business Quarter, 67 Alma Road, Windsor: up to 315 homes, pending decision (420 m)
- King Edward VII Hospital, Windsor: up to 47 homes, not permissioned (550 m)
- Windsor and Eton Riverside Station Car Park: up to 30 homes, not permissioned (1.0 km)
- Territorial Army Centre Bolton Road Windsor, REC (1.0 km)
Flood risk
Rivers, the sea or surface water: in this postcode, 14 addresses are in areas at high risk, 1 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: 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 63 addresses are between 24 m and 25 m above sea level (25 m on average).
Broadband
Superfast 66%, ultrafast 43%, gigabit 43% 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 Central 1.7 million journeys in 2024–25 | 490 m |
| Windsor and Eton Riverside 1.1 million journeys in 2024–25 | 840 m | |
| Datchet 228,000 journeys in 2024–25 | 2.3 km | |
| Bus stops | 10 stops within 400 m, 30 within 800 m; nearest William Street Windsor | 110 m |
| Bus or coach station | Brunel Way Slough Town Centre | 3.9 km |
| Car parks | 5 within 800 m; nearest Victoria Street Car Park | 130 m |
| EV charging points | 10 within 1.6 km; nearest Connected Kerb Charging Station | 290 m |
| Airport with scheduled flights | London Heathrow Airport LHR | 10.6 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 4 practices within 1.6 km; nearest Clarence Medical Centre | 390 m |
| Pharmacies | 4 pharmacies within 1.6 km; nearest Windsor Pharmacy | 0 m |
| NHS dentists | 10 practices within 1.6 km; nearest Complete Dental | 160 m |
| Hospital | Hrh Princess Christian's Hospital | 100 m |
| Police station | Thames Valley Police - Windsor Police Station | 330 m |
| Cash machines | 3 machines within 800 m; nearest Sant Kishan Singh Supermarket Ltd Cashzone | 230 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 6 within 800 m; nearest Bachelors Acre 6,860 m² | 320 m |
| Largest park within 800 m | Windsor Great Park 1,171 ha | 510 m |
| Play area | 5 within 800 m; nearest Unnamed 640 m² | 330 m |
| Playing field | 3 within 800 m; nearest Vansittart Recreation Ground Park 2.5 ha | 470 m |
| Allotments | 3 within 800 m; nearest Brook Street Allotments 2,830 m² | 500 m |
Within 800 m: 6 parks and gardens, 1,193 hectares in all.
Landmarks
The nearest historic landmark is Hadleigh House, a listed building (Grade II*), 470 m east. 252 listed buildings are within 1.0 km, 2 of them Grade I and 16 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Hadleigh House | Listed building, Grade II* | 470 m east |
| Guildhall | Listed building, Grade I | 510 m north-east |
| 12-16, Park Street | Listed building, Grade II* | 510 m north-east |
| Church of St John the Baptist | Listed building, Grade II* | 520 m north-east |
| Windsor Castle | Scheduled monument | 780 m north-east |
| The Royal Estate, Windsor: Windsor Castle and Home Park | Registered park or garden, Grade I | 1.2 km east |
| The Royal Estate, Windsor: Frogmore Gardens | Registered park or garden, Grade I | 1.2 km south-east |
| Moated site at Moat Park, New Windsor | Scheduled monument | 1.4 km south-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Firework Ait | Island | 690 m north |
| Deadwater Ait | Island | 770 m north |
| Baths Island | Island | 910 m north-west |
| Broad Water | Lake or reservoir | 1.0 km north-east |
| Queen Mary's Plantation | Wood | 1.5 km south-west |
| Peter's Hill | Hill | 2.6 km south-east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 13.0 | 40 | 10 |
| Fine particles (PM2.5) | 7.6 | 20 | 5 |
| Particles (PM10) | 11.5 | 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 |
|---|---|---|
| 55 to 59 | 32 | 0 |
| Under 55 | 31 | 63 |
32 of the postcode's 63 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 | 45 | 40 |
| Children under 15 | 11% | 17% |
| Aged 65 and over | 13% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 53% | 61% |
| Owned outright | 23% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 0% | 17% |
| Private rented | 47% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 71% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 14% | 22% |
| Long-term sick or disabled (of adults) | 0% | 4% |
| Work mainly from home (of those in work) | 57% | 32% |
| Travel to work by car or van | 27% | 48% |
| By train, Underground, metro or tram | 5% | 4% |
| By any public transport, including bus | 6% | 8% |
| On foot or by bicycle | 8% | 10% |
| Work within 10 km of home (of those who travel to work) | 58% | 65% |
| Work 30 km or more away | 8% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 59% | 34% |
| No qualifications | 7% | 18% |
| Apprenticeship as highest qualification | 2% | 5% |
| Main language English (aged 3 and over) | 86% | 91% |
| Cannot speak English well or at all | 1% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 7 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 St Leonard's Road.