# SL6

Postcode district covering Maidenhead and Boyn Hill, in Windsor and Maidenhead.

SL6 is a postcode district covering Maidenhead and Boyn Hill, in Windsor and Maidenhead. Median sale price £510,000 in 2025.

Postcode district. Code SL6. In: [Postcodes](https://openindex.co.uk/postcode) › [SL](https://openindex.co.uk/postcode/sl)

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an SL6 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £510,000** (2025). The median price paid for a home in SL6 was £510,000 in 2025. Joint 261st most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/sl6#f-house-sales-median-price
- **Population: 83,062** (2021). SL6 had 83,062 usual residents at the census (ONS Census 2021). 18th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/sl6#f-population
- **People in radon Affected Area squares: 91%** (2022). About 91% of people in SL6 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/sl6#f-radon-affected-share
- **Gigabit broadband coverage: 84.6%** (January 2026). In SL6, 84.6% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/sl6#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=SL6) (Worked out by Open Index · 2022): About 91% of people in SL6 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=SL6) (Worked out by Open Index · 2025): 1,217 homes were sold in SL6 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=SL6) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for SL6.
- [Population by postcode district](https://openindex.co.uk/map/population?place=SL6) (Census 2021, England and Wales): SL6 had 83,062 usual residents at the census.

## How SL6 compares

Each postcode district against every other postcode district the measure covers.

| Measure | SL6 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £510,000 | 4th cheapest | 10 postcode districts, SL · 2025 |
| Population | 83,062 | most populated | 12 postcode districts, SL · 2021 |
| People in radon Affected Area squares | 91% | 5th most people in radon Affected Areas | 12 postcode districts, SL · 2022 |
| Gigabit broadband coverage | 84.6% | 6th lowest | 12 postcode districts, SL · Jan 2026 |

## Is SL6 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SL6 at a rate of 59.0 per 1,000 people.
That compares with 77.9 per 1,000 people across the SL postcode area.
In August 2026 alone, 455 cases of crime and anti-social behaviour were recorded in SL6.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,931), other crime (1,091) and anti-social behaviour (536).
A year earlier, the recorded crime rate in SL6 was 65.0 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Deprivation in SL6, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so SL6 has no single figure. Of its 51 neighbourhoods with a rank:
- Decile 4: 1 neighbourhood
- Decile 5: 7 neighbourhoods
- Decile 6: 2 neighbourhoods
- Decile 7: 4 neighbourhoods
- Decile 8: 6 neighbourhoods
- Decile 9: 7 neighbourhoods
- Decile 10 (England’s least deprived 10%): 24 neighbourhoods

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in SL6

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Buckinghamshire 065C](https://openindex.co.uk/buckinghamshire/neighbourhood/e01017814) | 1,693 | 87.7 per 1,000 | 8 | 57.1% |
| [Buckinghamshire 065D](https://openindex.co.uk/buckinghamshire/neighbourhood/e01017833) | 2,390 | 96.1 per 1,000 | 9 | 40.8% |
| [Buckinghamshire 066C](https://openindex.co.uk/buckinghamshire/neighbourhood/e01017807) | 1,586 | 45.0 per 1,000 | 10 | 99.4% |
| [Windsor and Maidenhead 001A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016570) | 1,563 | 14.0 per 1,000 | 10 | 100.0% |
| [Windsor and Maidenhead 001B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016572) | 1,362 | 94.8 per 1,000 | 9 | 96.5% |
| [Windsor and Maidenhead 001C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016582) | 1,634 | 51.6 per 1,000 | 8 | 98.9% |
| [Windsor and Maidenhead 001D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016600) | 1,114 | 23.6 per 1,000 | 10 | 92.9% |
| [Windsor and Maidenhead 002A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016530) | 1,604 | 39.0 per 1,000 | 7 | 62.1% |
| [Windsor and Maidenhead 002B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016531) | 1,422 | 31.5 per 1,000 | 9 | 80.0% |
| [Windsor and Maidenhead 002C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016532) | 1,921 | 30.4 per 1,000 | 10 | 77.4% |
| [Windsor and Maidenhead 002D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016533) | 1,896 | 36.0 per 1,000 | 10 | 60.5% |
| [Windsor and Maidenhead 002E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016578) | 1,749 | 41.6 per 1,000 | 8 | 72.4% |
| [Windsor and Maidenhead 002F](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016579) | 1,806 | 62.2 per 1,000 | 6 | 70.4% |
| [Windsor and Maidenhead 003A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016571) | 1,820 | 43.5 per 1,000 | 10 | 99.4% |
| [Windsor and Maidenhead 003B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016573) | 1,502 | 66.2 per 1,000 | 5 | 98.9% |
| [Windsor and Maidenhead 003C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016574) | 1,593 | 69.2 per 1,000 | 7 | 97.3% |
| [Windsor and Maidenhead 003D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016599) | 1,671 | 61.7 per 1,000 | 5 | 98.7% |
| [Windsor and Maidenhead 004A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016583) | 1,903 | 21.8 per 1,000 | 10 | 92.2% |
| [Windsor and Maidenhead 004B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016585) | 1,694 | 75.0 per 1,000 | 10 | 91.3% |
| [Windsor and Maidenhead 004C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016586) | 1,340 | 26.2 per 1,000 | 10 | 86.4% |
| [Windsor and Maidenhead 004D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016591) | 2,327 | 46.5 per 1,000 | 10 | 82.4% |
| [Windsor and Maidenhead 004E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016592) | 2,049 | 63.4 per 1,000 | 10 | 79.7% |
| [Windsor and Maidenhead 005A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016525) | 1,794 | 57.3 per 1,000 | 10 | 87.0% |
| [Windsor and Maidenhead 005B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016528) | 1,699 | 38.7 per 1,000 | 9 | 99.9% |
| [Windsor and Maidenhead 005C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016529) | 2,160 | 50.5 per 1,000 | 5 | 98.4% |
| [Windsor and Maidenhead 005D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016536) | 1,929 | 95.1 per 1,000 | 7 | 57.9% |
| [Windsor and Maidenhead 005E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016584) | 2,348 | 44.9 per 1,000 | 8 | 99.7% |
| [Windsor and Maidenhead 005G](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01032733) | 1,335 | 136.7 per 1,000 | 5 | 80.5% |
| [Windsor and Maidenhead 005H](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01032734) | 1,802 | 471.4 per 1,000 | 5 | 73.1% |
| [Windsor and Maidenhead 006A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016526) | 1,821 | 25.6 per 1,000 | 10 | 95.7% |
| [Windsor and Maidenhead 006B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016527) | 1,614 | 29.8 per 1,000 | 10 | 99.1% |
| [Windsor and Maidenhead 006C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016534) | 1,637 | 36.9 per 1,000 | 10 | 93.5% |
| [Windsor and Maidenhead 006D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016598) | 1,424 | 13.8 per 1,000 | 10 | 99.8% |
| [Windsor and Maidenhead 006E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016601) | 1,647 | 45.6 per 1,000 | 10 | 99.4% |
| [Windsor and Maidenhead 006F](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016602) | 1,657 | 31.7 per 1,000 | 10 | 96.6% |
| [Windsor and Maidenhead 007A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016535) | 1,350 | 42.1 per 1,000 | 10 | 80.6% |
| [Windsor and Maidenhead 007B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016537) | 1,819 | 30.7 per 1,000 | 8 | 97.5% |
| [Windsor and Maidenhead 007C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016538) | 1,603 | 53.9 per 1,000 | 9 | 94.6% |
| [Windsor and Maidenhead 007D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016593) | 1,824 | 79.4 per 1,000 | 4 | 93.5% |
| [Windsor and Maidenhead 007E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016594) | 1,588 | 78.3 per 1,000 | 6 | 96.3% |
| [Windsor and Maidenhead 008A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016559) | 1,490 | 25.5 per 1,000 | 10 | 100.0% |
| [Windsor and Maidenhead 008B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016560) | 1,560 | 76.0 per 1,000 | 5 | 99.2% |
| [Windsor and Maidenhead 008C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016561) | 1,815 | 32.2 per 1,000 | 10 | 100.0% |
| [Windsor and Maidenhead 008D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016562) | 1,373 | 22.0 per 1,000 | 10 | 96.5% |
| [Windsor and Maidenhead 008E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016563) | 1,371 | 34.7 per 1,000 | 10 | 95.3% |
| [Windsor and Maidenhead 008F](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016580) | 1,554 | 46.4 per 1,000 | 5 | 70.5% |
| [Windsor and Maidenhead 009A](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016539) | 1,611 | 31.3 per 1,000 | 9 | 26.9% |
| [Windsor and Maidenhead 009B](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016540) | 1,616 | 58.1 per 1,000 | 9 | 80.1% |
| [Windsor and Maidenhead 009C](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016541) | 1,344 | 15.2 per 1,000 | 10 | 74.4% |
| [Windsor and Maidenhead 009D](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016542) | 1,226 | 43.6 per 1,000 | 7 | 80.6% |
| [Windsor and Maidenhead 009E](https://openindex.co.uk/windsor-and-maidenhead/neighbourhood/e01016543) | 1,946 | 39.8 per 1,000 | 8 | 55.3% |

## Your MP

- [Maidenhead](https://openindex.co.uk/constituency/maidenhead): Mr Joshua Reynolds (Liberal Democrat), MP since July 2024. 93% of the people here.
- [Beaconsfield](https://openindex.co.uk/constituency/beaconsfield): Joy Morrissey (Conservative), MP since July 2024. 6.4% of the people here.
- [Slough](https://openindex.co.uk/constituency/slough): Mr Tanmanjeet Singh Dhesi (Labour), MP since July 2024. 0.3% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in SL6

[Boyn Hill & Norreys Drive](https://openindex.co.uk/windsor-and-maidenhead/boyn-hill-and-norreys-drive), [Bray Wick & Holyport](https://openindex.co.uk/windsor-and-maidenhead/bray-wick-and-holyport), [Cookham & Waltham](https://openindex.co.uk/windsor-and-maidenhead/cookham-and-waltham), [Cox Green](https://openindex.co.uk/windsor-and-maidenhead/cox-green), [Furze Platt](https://openindex.co.uk/windsor-and-maidenhead/furze-platt), [Maidenhead Central](https://openindex.co.uk/windsor-and-maidenhead/maidenhead-central), [Maidenhead East](https://openindex.co.uk/windsor-and-maidenhead/maidenhead-east), [Maidenhead Highway](https://openindex.co.uk/windsor-and-maidenhead/maidenhead-highway), [Pinkney's Green & Furze Platt Road](https://openindex.co.uk/windsor-and-maidenhead/pinkneys-green-and-furze-platt-road)

## Postcode sectors in SL6

[SL6 0 (154 postcodes)](https://openindex.co.uk/postcode/sl6-0), [SL6 1 (239 postcodes)](https://openindex.co.uk/postcode/sl6-1), [SL6 2 (276 postcodes)](https://openindex.co.uk/postcode/sl6-2), [SL6 3 (274 postcodes)](https://openindex.co.uk/postcode/sl6-3), [SL6 4 (213 postcodes)](https://openindex.co.uk/postcode/sl6-4), [SL6 5 (148 postcodes)](https://openindex.co.uk/postcode/sl6-5), [SL6 6 (225 postcodes)](https://openindex.co.uk/postcode/sl6-6), [SL6 7 (254 postcodes)](https://openindex.co.uk/postcode/sl6-7), [SL6 8 (276 postcodes)](https://openindex.co.uk/postcode/sl6-8), [SL6 9 (257 postcodes)](https://openindex.co.uk/postcode/sl6-9)

## Council

[Windsor and Maidenhead](https://openindex.co.uk/windsor-and-maidenhead)

## Towns in SL6

[Maidenhead](https://openindex.co.uk/town/maidenhead), [Slough](https://openindex.co.uk/slough)

## Postcode districts next to SL6

[HP10](https://openindex.co.uk/postcode/hp10), [RG9](https://openindex.co.uk/postcode/rg9), [RG10](https://openindex.co.uk/postcode/rg10), [RG42](https://openindex.co.uk/postcode/rg42), [SL1](https://openindex.co.uk/postcode/sl1), [SL4](https://openindex.co.uk/postcode/sl4), [SL7](https://openindex.co.uk/postcode/sl7), [SL8](https://openindex.co.uk/postcode/sl8), [SL60](https://openindex.co.uk/postcode/sl60)

## Nearest rail stations

[Maidenhead (3.1 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.7227,51.5187), [Furze Platt (4.4 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.7285,51.5330), [Taplow (5.6 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.6814,51.5236)

## More in the SL postcode area

[All SL postcode districts](https://openindex.co.uk/postcode/sl), [Every UK postcode area](https://openindex.co.uk/postcode)

## SL6 in brief

SL6 is a postcode district covering Maidenhead and Boyn Hill, in Windsor and Maidenhead.
About 86,796 people lived in SL6 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £510,000 in 2025 across 1,217 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 59.0 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in SL6 was £510,000 in 2025.
SL6 had 83,062 usual residents at the census.
About 91% of people in SL6 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In SL6, 84.6% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: SL6
- Postcode area: [SL](https://openindex.co.uk/postcode/sl)
- Constituency: [Maidenhead †](https://openindex.co.uk/constituency/maidenhead)
- Council: [Windsor and Maidenhead †](https://openindex.co.uk/windsor-and-maidenhead)
- Area: 97.85 km²
- People, mid-2024: 86,796*
- Neighbourhoods: 51
- Output areas: 247

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[RG10](https://openindex.co.uk/postcode/rg10), [SL7](https://openindex.co.uk/postcode/sl7), [SL4](https://openindex.co.uk/postcode/sl4), [SL1](https://openindex.co.uk/postcode/sl1), [RG42](https://openindex.co.uk/postcode/rg42), [SL8](https://openindex.co.uk/postcode/sl8)

## Latest updates for SL6

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/SL6

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sl6, or to one figure with its anchor, https://openindex.co.uk/postcode/sl6#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/sl6