SL4 1LD Windsor and Maidenhead
Live postcode, introduced January 1980. Ward: Eton & Castle. Region: South East.
Streets
- Thames Street, Windsor: 142 addresses
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 C (22% of about 1,080 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 35.
- 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
- 12-16, PARK STREET, grade II*
- 20, PARK STREET, grade II*
- 9-11, PARK STREET, grade II*
- Church of St John the Baptist, grade II*
- 1 and 2, High Street, grade II
- 10, High Street, grade II
- 11, High Street, grade II
- 11, SHEET STREET, grade II
- 12, High Street, grade II
- 14 High Street, grade II
- 15-17, High Street, grade II
- 19, High Street, grade II
- 20, High Street, grade II
- 3 High Street, grade II
- 4, HIGH STREET, grade II
- 4A and 5, High Street, grade II
- 52, HIGH STREET, grade II
- 55, High Street, grade II
- 6 and 7, High Street, grade II
- 8, High Street, grade II
- 9 and 9a, High Street, grade II
- BURFORD HOUSE, grade II
- CASTLE GRILL, grade II
- Castle Hotel, grade II
- Dairy Pavilion in garden of No 7 High Street, grade II
- K6 Telephone Kiosk, grade II
- MASONIC HALL, grade II
- MISTRESS PAGES HOUSE, grade II
- Royal Stables House, grade II
- SOUTH WEST GATE AND LODGE TO ST ALBANS STREET, grade II
And 5 more.
Brownfield land registered for housing within 1.0 km
- Minton Place Victoria Street Windsor SL4 1EG (320 m)
- Minton Place, Victoria Street, Windsor: up to 100 homes, not permissioned (320 m)
- Windsor and Eton Riverside Station Car Park: up to 30 homes, not permissioned (600 m)
- Windsor and Eton Riverside Station Car Park, REC (690 m)
- Windsor Business Quarter, 67 Alma Road, Windsor: up to 315 homes, pending decision (880 m)
- King Edward VII Hospital, Windsor: up to 47 homes, not permissioned (930 m)
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 8 at medium risk and 10 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 142 addresses are between 29 m and 32 m above sea level (30 m on average).
Broadband
Superfast 11%, 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 | Windsor and Eton Central 1.7 million journeys in 2024–25 | 350 m |
| Windsor and Eton Riverside 1.1 million journeys in 2024–25 | 490 m | |
| Datchet 228,000 journeys in 2024–25 | 1.9 km | |
| Bus stops | 11 stops within 400 m, 26 within 800 m; nearest Parish Church Windsor | 50 m |
| Bus or coach station | Brunel Way Slough Town Centre | 3.5 km |
| Car parks | 8 within 800 m; nearest Victoria Street Car Park | 350 m |
| EV charging points | 10 within 1.6 km; nearest ubitricity | 140 m |
| Airport with scheduled flights | London Heathrow Airport LHR | 10.2 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 4 practices within 1.6 km; nearest Sheet Street Surgery | 190 m |
| Pharmacies | 4 pharmacies within 1.6 km; nearest Superdrug Pharmacy | 220 m |
| NHS dentists | 9 practices within 1.6 km; nearest Smile Rooms | 370 m |
| Hospital | Hrh Princess Christian's Hospital | 460 m |
| Police station | Thames Valley Police - Windsor Police Station | 810 m |
| Cash machines | 3 machines within 800 m; nearest *deposit & Withdrawal* The Southern Co-operative Windsor Arthur Road | 640 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 5 within 800 m; nearest Bachelors Acre 6,860 m² | 90 m |
| Largest park within 800 m | Windsor Great Park 1,171 ha | 200 m |
| Play area | 2 within 800 m; nearest Unnamed 640 m² | 150 m |
| Playing field | 2 within 800 m; nearest Unnamed 2.4 ha | 540 m |
| Allotments | 1 within 800 m; nearest Brook Street Allotments 2,830 m² | 340 m |
Within 800 m: 5 parks and gardens, 1,190 hectares in all.
Landmarks
The nearest historic landmark is Church of St John the Baptist, a listed building (Grade II*), 70 m north. 283 listed buildings are within 1.0 km, 3 of them Grade I and 18 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Church of St John the Baptist | Listed building, Grade II* | 70 m north |
| 12-16, Park Street | Listed building, Grade II* | 90 m south-east |
| 20, Park Street | Listed building, Grade II* | 100 m east |
| Guildhall | Listed building, Grade I | 110 m north |
| Windsor Castle | Scheduled monument | 320 m north-east |
| The Royal Estate, Windsor: Windsor Castle and Home Park | Registered park or garden, Grade I | 850 m east |
| The Royal Estate, Windsor: Frogmore Gardens | Registered park or garden, Grade I | 1.0 km south-east |
| Moated site at Moat Park, New Windsor | Scheduled monument | 1.9 km south-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Firework Ait | Island | 520 m north-west |
| Broad Water | Lake or reservoir | 560 m north-east |
| Deadwater Ait | Island | 820 m north-west |
| Cutlers Ait | Island | 910 m north |
| Queen Mary's Plantation | Wood | 1.9 km south-west |
| Peter's Hill | Hill | 2.6 km south |
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 |
|---|---|---|
| 65 to 69 | 22 | 0 |
| 60 to 64 | 88 | 0 |
| 55 to 59 | 5 | 0 |
| Under 55 | 27 | 142 |
115 of the postcode's 142 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 | 39 | 40 |
| Children under 15 | 8% | 17% |
| Aged 65 and over | 11% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 36% | 61% |
| Owned outright | 16% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 3% | 17% |
| Private rented | 61% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 73% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 12% | 22% |
| Long-term sick or disabled (of adults) | 2% | 4% |
| Work mainly from home (of those in work) | 50% | 32% |
| Travel to work by car or van | 28% | 48% |
| By train, Underground, metro or tram | 9% | 4% |
| By any public transport, including bus | 10% | 8% |
| On foot or by bicycle | 11% | 10% |
| Work within 10 km of home (of those who travel to work) | 65% | 65% |
| Work 30 km or more away | 13% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 63% | 34% |
| No qualifications | 7% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 84% | 91% |
| Cannot speak English well or at all | 2% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 8 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 Thames Street.