# LL57

Postcode district covering Bangor and Bethesda, in Gwynedd.

LL57 is a postcode district covering Bangor and Bethesda, in Gwynedd. Median sale price £179,000 in 2025. Recorded crime 124.3 per 1,000 people.

Postcode district. Code LL57. In: [Postcodes](https://openindex.co.uk/postcode) › [LL](https://openindex.co.uk/postcode/ll)

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 LL57 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £179,000** (2025). The median price paid for a home in LL57 was £179,000 in 2025. Joint 233rd cheapest 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/ll57#f-house-sales-median-price
- **Population: 26,929** (2021). LL57 had 26,929 usual residents at the census (ONS Census 2021). 1,084th 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/ll57#f-population
- **People in radon Affected Area squares: 87%** (2022). About 87% of people in LL57 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/ll57#f-radon-affected-share
- **Gigabit broadband coverage: 74.6%** (January 2026). In LL57, 74.6% 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/ll57#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas#place=LL57) (Worked out by Open Index · 2022): About 87% of people in LL57 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=LL57) (Worked out by Open Index · 2025): 260 homes were sold in LL57 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime#place=LL57) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for LL57.
- [Population by postcode district](https://openindex.co.uk/map/population#place=LL57) (Census 2021, England and Wales): LL57 had 26,929 usual residents at the census.

## How LL57 compares

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

| Measure | LL57 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £179,000 | 10th cheapest | 57 postcode districts, LL · 2025 |
| Population | 26,929 | 6th most populated | 66 postcode districts, LL · 2021 |
| People in radon Affected Area squares | 87% | 13th fewest people in radon Affected Areas | 66 postcode districts, LL · 2022 |
| Gigabit broadband coverage | 74.6% | 31st lowest | 66 postcode districts, LL · Jan 2026 |

## Is LL57 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in LL57 at a rate of 124.3 per 1,000 people.
That compares with 97.5 per 1,000 people across the LL postcode area.
In August 2026 alone, 415 cases of crime and anti-social behaviour were recorded in LL57.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,243), anti-social behaviour (693) and other crime (603).
A year earlier, the recorded crime rate in LL57 was 110.3 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 LL57, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so LL57 has no single figure. Of its 16 neighbourhoods with a rank:
- Decile 1 (Wales’s most deprived 10%): 2 neighbourhoods
- Decile 3: 1 neighbourhood
- Decile 4: 2 neighbourhoods
- Decile 5: 3 neighbourhoods
- Decile 6: 3 neighbourhoods
- Decile 7: 1 neighbourhood
- Decile 8: 2 neighbourhoods
- Decile 9: 1 neighbourhood
- Decile 10 (Wales’s least deprived 10%): 1 neighbourhood

Source: Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.

## Neighbourhoods in LL57

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Gwynedd 001A](https://openindex.co.uk/gwynedd/neighbourhood/w01000062) | 1,988 | 418.1 per 1,000 | 5 | 62.3% |
| [Gwynedd 001B](https://openindex.co.uk/gwynedd/neighbourhood/w01000076) | 1,295 | 100.1 per 1,000 | 8 | 71.6% |
| [Gwynedd 001C](https://openindex.co.uk/gwynedd/neighbourhood/w01000077) | 1,178 | 217.9 per 1,000 | 4 | 81.4% |
| [Gwynedd 001D](https://openindex.co.uk/gwynedd/neighbourhood/w01000091) | 1,106 | 140.1 per 1,000 | 1 | 64.9% |
| [Gwynedd 001E](https://openindex.co.uk/gwynedd/neighbourhood/w01000092) | 3,048 | 68.8 per 1,000 | 9 | 86.8% |
| [Gwynedd 002A](https://openindex.co.uk/gwynedd/neighbourhood/w01000064) | 2,002 | 191.3 per 1,000 | 6 | 96.9% |
| [Gwynedd 002B](https://openindex.co.uk/gwynedd/neighbourhood/w01000072) | 1,675 | 103.4 per 1,000 | 8 | 97.4% |
| [Gwynedd 002C](https://openindex.co.uk/gwynedd/neighbourhood/w01000075) | 1,406 | 82.2 per 1,000 | 3 | 96.6% |
| [Gwynedd 002D](https://openindex.co.uk/gwynedd/neighbourhood/w01000090) | 1,363 | 115.8 per 1,000 | 1 | 90.6% |
| [Gwynedd 002E](https://openindex.co.uk/gwynedd/neighbourhood/w01000102) | 1,933 | 106.3 per 1,000 | 10 | 72.5% |
| [Gwynedd 003A](https://openindex.co.uk/gwynedd/neighbourhood/w01000050) | 1,438 | 77.0 per 1,000 | 6 | 59.5% |
| [Gwynedd 003B](https://openindex.co.uk/gwynedd/neighbourhood/w01000071) | 2,240 | 49.1 per 1,000 | 6 | 49.6% |
| [Gwynedd 003C](https://openindex.co.uk/gwynedd/neighbourhood/w01000096) | 1,267 | 79.2 per 1,000 | 5 | 53.4% |
| [Gwynedd 003D](https://openindex.co.uk/gwynedd/neighbourhood/w01000097) | 1,142 | 118.9 per 1,000 | 4 | 78.2% |
| [Gwynedd 003E](https://openindex.co.uk/gwynedd/neighbourhood/w01000115) | 2,122 | 59.9 per 1,000 | 7 | 66.9% |
| [Gwynedd 005D](https://openindex.co.uk/gwynedd/neighbourhood/w01000103) | 1,168 | 57.2 per 1,000 | 5 | 75.6% |

## Your MP

- [Bangor Aberconwy](https://openindex.co.uk/constituency/bangor-aberconwy): Claire Hughes (Labour), MP since July 2024. 97% of the people here.
- [Dwyfor Meirionnydd](https://openindex.co.uk/constituency/dwyfor-meirionnydd): Liz Saville Roberts (Plaid Cymru), MP since July 2024. 2.8% 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 LL57

[Bangor City](https://openindex.co.uk/gwynedd/bangor-city), [Bangor South](https://openindex.co.uk/gwynedd/bangor-south), [Bethesda](https://openindex.co.uk/gwynedd/bethesda)

## Postcode sectors in LL57

[LL57 1 (169 postcodes)](https://openindex.co.uk/postcode/ll57-1), [LL57 2 (272 postcodes)](https://openindex.co.uk/postcode/ll57-2), [LL57 3 (228 postcodes)](https://openindex.co.uk/postcode/ll57-3), [LL57 4 (228 postcodes)](https://openindex.co.uk/postcode/ll57-4), [LL57 9 (10 postcodes)](https://openindex.co.uk/postcode/ll57-9)

## Council

[Gwynedd](https://openindex.co.uk/gwynedd)

## Towns in LL57

[Bangor](https://openindex.co.uk/town/bangor)

## Postcode districts next to LL57

[LL24](https://openindex.co.uk/postcode/ll24), [LL32](https://openindex.co.uk/postcode/ll32), [LL33](https://openindex.co.uk/postcode/ll33), [LL55](https://openindex.co.uk/postcode/ll55), [LL56](https://openindex.co.uk/postcode/ll56)

## Nearest rail stations

[Bangor (Gwynedd) (5.4 km from the middle)](https://openindex.co.uk/map/rail-stations#around=-4.1359,53.2223)

## More in the LL postcode area

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

## LL57 in brief

LL57 is a postcode district covering Bangor and Bethesda, in Gwynedd.
About 28,750 people lived in LL57 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £179,000 in 2025 across 260 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 124.3 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in LL57 was £179,000 in 2025.
LL57 had 26,929 usual residents at the census.
About 87% of people in LL57 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In LL57, 74.6% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: LL57
- Postcode area: [LL](https://openindex.co.uk/postcode/ll)
- Constituency: [Bangor Aberconwy †](https://openindex.co.uk/constituency/bangor-aberconwy)
- Council: [Gwynedd †](https://openindex.co.uk/gwynedd)
- Area: 114 km²
- People, mid-2024: 28,750*
- Neighbourhoods: 16
- Output areas: 81

* 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 and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[LL55](https://openindex.co.uk/postcode/ll55), [LL24](https://openindex.co.uk/postcode/ll24), [LL33](https://openindex.co.uk/postcode/ll33), [LL32](https://openindex.co.uk/postcode/ll32), [LL56](https://openindex.co.uk/postcode/ll56)

## Latest updates for LL57

- 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/LL57

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/ll57, or to one figure with its anchor, https://openindex.co.uk/postcode/ll57#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 2026.10.10. The HTML page: https://openindex.co.uk/postcode/ll57