SL3 9QA Windsor and Maidenhead
Live postcode, introduced January 1980. Ward: Datchet, Horton & Wraysbury. Region: South East.
Streets
- Welley Road, Horton: 23 addresses
- Welley Road, Wraysbury: 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 (28% of about 790 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, Windsor and Maidenhead.
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 5 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: of the 6 homes the Environment Agency counts, 0 are in areas at high risk, 6 medium, 0 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 24 addresses are between 17 m and 18 m above sea level (17 m on average).
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Sunnymeads 27,000 journeys in 2024–25 | 280 m |
| Wraysbury 82,000 journeys in 2024–25 | 1.9 km | |
| Datchet 228,000 journeys in 2024–25 | 2.0 km | |
| Bus stops | 6 stops within 400 m, 8 within 800 m; nearest Noble Palace Sunnymeads | 70 m |
| Bus or coach station | Heathrow Terminal 5 Heathrow Airport Terminal 5 | 4.7 km |
| Ferry terminal | Shepperton Ferry Landing | 12.1 km |
| Car parks | 1 within 800 m; nearest Parking space on Welley Road, TW19 | 760 m |
| EV charging points | bp pulse Charging Station | 2.3 km |
| Airport with scheduled flights | London Heathrow Airport LHR | 6.7 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Datchet Health Centre | 1.7 km |
| Pharmacies | Wraysbury Village Pharmacy | 1.7 km |
| NHS dentists | 1 practices within 1.6 km; nearest Welley Road (Dental Surgery) | 1.5 km |
| Hospital | The Princess Margaret Hospital | 3.7 km |
| Police station | Thames Valley Police - Langley Police Station | 2.6 km |
| Cash machines | The Cooperative Food Old Windsor, Old Windsor Cashzone | 2.3 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Unnamed 1.5 ha | 1.4 km |
| Play area | Unnamed 220 m² | 1.1 km |
| Playing field | Unnamed 5,340 m² | 1.1 km |
| Allotments | Unnamed 2,520 m² | 1.0 km |
Landmarks
The nearest historic landmark is Early medieval and medieval palace and associated monuments, Kingsbury, a scheduled monument, 1.5 km south-west. 3 listed buildings are within 1.0 km.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Early medieval and medieval palace and associated monuments, Kingsbury | Scheduled monument | 1.5 km south-west |
| Ditton Park | Registered park or garden, Grade II | 2.3 km north |
| The Royal Estate, Windsor: Frogmore Gardens | Registered park or garden, Grade I | 2.7 km west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Ham Island | Island | 1.0 km south-west |
| The Queen Mother Reservoir | Lake or reservoir | 1.1 km north-east |
| New Cut | Lake or reservoir | 1.3 km south-west |
| Friday Island | Island | 1.4 km south-west |
| Brands Hill | Hill | 2.4 km north-east |
| Petershill Copse | Wood | 3.2 km south-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 12.4 | 40 | 10 |
| Fine particles (PM2.5) | 7.5 | 20 | 5 |
| Particles (PM10) | 12.0 | 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 | 1 | 0 | 0 |
| 60 to 64 | 5 | 0 | 7 |
| 55 to 59 | 15 | 0 | 17 |
| Under 55 | 3 | 24 | 0 |
21 of the postcode's 24 addresses are modelled at 55 dB or more from road traffic, and 24 from aircraft, above the WHO guidelines.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 39 | 40 |
| Children under 15 | 20% | 17% |
| Aged 65 and over | 11% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 53% | 61% |
| Owned outright | 23% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 25% | 17% |
| Private rented | 22% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 67% | 57% |
| Unemployment (of those working or looking for work) | 6% | 6% |
| Retired (of adults) | 12% | 22% |
| Long-term sick or disabled (of adults) | 4% | 4% |
| Work mainly from home (of those in work) | 29% | 32% |
| Travel to work by car or van | 64% | 48% |
| By train, Underground, metro or tram | 1% | 4% |
| By any public transport, including bus | 4% | 8% |
| On foot or by bicycle | 3% | 10% |
| Work within 10 km of home (of those who travel to work) | 54% | 65% |
| Work 30 km or more away | 12% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 31% | 34% |
| No qualifications | 17% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 86% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 5 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 Welley Road.