# LL54

Postcode district covering Penygroes, in Gwynedd.

LL54 is a postcode district covering Penygroes, in Gwynedd. Median sale price £165,000 in 2025. Recorded crime 53.2 per 1,000 people. About 11,497 people.

Postcode district. Code LL54. 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 LL54 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £165,000** (2025). The median price paid for a home in LL54 was £165,000 in 2025. Joint 168th 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/ll54#f-house-sales-median-price
- **Population: 11,140** (2021). LL54 had 11,140 usual residents at the census (ONS Census 2021). 780th least 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/ll54#f-population
- **People in radon Affected Area squares: 95%** (2022). About 95% of people in LL54 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/ll54#f-radon-affected-share
- **Gigabit broadband coverage: 90.5%** (January 2026). In LL54, 90.5% 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/ll54#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas#place=LL54) (Worked out by Open Index · 2022): About 95% of people in LL54 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=LL54) (Worked out by Open Index · 2025): 117 homes were sold in LL54 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime#place=LL54) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for LL54.
- [Population by postcode district](https://openindex.co.uk/map/population#place=LL54) (Census 2021, England and Wales): LL54 had 11,140 usual residents at the census.

## How LL54 compares

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

| Measure | LL54 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £165,000 | 7th cheapest | 57 postcode districts, LL · 2025 |
| Population | 11,140 | 17th most populated | 66 postcode districts, LL · 2021 |
| People in radon Affected Area squares | 95% | joint 19th fewest people in radon Affected Areas | 66 postcode districts, LL · 2022 |
| Gigabit broadband coverage | 90.5% | 18th highest | 66 postcode districts, LL · Jan 2026 |

## Is LL54 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in LL54 at a rate of 53.2 per 1,000 people.
That compares with 97.5 per 1,000 people across the LL postcode area.
In August 2026 alone, 72 cases of crime and anti-social behaviour were recorded in LL54.
In the 12 months to August 2026, the most common types were violence and sexual offences (268), anti-social behaviour (152) and other crime (88).
A year earlier, the recorded crime rate in LL54 was 70.6 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 LL54, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so LL54 has no single figure. Of its 6 neighbourhoods with a rank:
- Decile 3: 3 neighbourhoods
- Decile 5: 2 neighbourhoods
- Decile 7: 1 neighbourhood

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

## Neighbourhoods in LL54

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Gwynedd 007B](https://openindex.co.uk/gwynedd/neighbourhood/w01000088) | 2,082 | 26.7 per 1,000 | 5 | 88.2% |
| [Gwynedd 008A](https://openindex.co.uk/gwynedd/neighbourhood/w01000073) | 1,666 | 46.0 per 1,000 | 7 | 87.3% |
| [Gwynedd 008B](https://openindex.co.uk/gwynedd/neighbourhood/w01000086) | 2,175 | 59.5 per 1,000 | 3 | 91.1% |
| [Gwynedd 008C](https://openindex.co.uk/gwynedd/neighbourhood/w01000104) | 1,793 | 84.2 per 1,000 | 5 | 94.6% |
| [Gwynedd 008D](https://openindex.co.uk/gwynedd/neighbourhood/w01000112) | 1,942 | 43.0 per 1,000 | 3 | 92.0% |
| [Gwynedd 011C](https://openindex.co.uk/gwynedd/neighbourhood/w01000078) | 1,557 | 74.9 per 1,000 | 3 | 93.0% |

## Your MP

- [Dwyfor Meirionnydd](https://openindex.co.uk/constituency/dwyfor-meirionnydd): Liz Saville Roberts (Plaid Cymru), MP since July 2024.

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

## Middle areas in LL54

[Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle](https://openindex.co.uk/gwynedd/pen-y-groes-tal-y-sarn-and-dyffryn-nantlle)

## Postcode sectors in LL54

[LL54 5 (167 postcodes)](https://openindex.co.uk/postcode/ll54-5), [LL54 6 (160 postcodes)](https://openindex.co.uk/postcode/ll54-6), [LL54 7 (195 postcodes)](https://openindex.co.uk/postcode/ll54-7)

## Council

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

## Postcode districts next to LL54

[LL51](https://openindex.co.uk/postcode/ll51), [LL53](https://openindex.co.uk/postcode/ll53), [LL55](https://openindex.co.uk/postcode/ll55)

## 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)

## LL54 in brief

LL54 is a postcode district covering Penygroes, in Gwynedd.
About 11,497 people lived in LL54 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £165,000 in 2025 across 117 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 53.2 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in LL54 was £165,000 in 2025.
LL54 had 11,140 usual residents at the census.
About 95% of people in LL54 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In LL54, 90.5% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: LL54
- Postcode area: [LL](https://openindex.co.uk/postcode/ll)
- Constituency: [Dwyfor Meirionnydd †](https://openindex.co.uk/constituency/dwyfor-meirionnydd)
- Council: [Gwynedd †](https://openindex.co.uk/gwynedd)
- Area: 207 km²
- People, mid-2024: 11,497*
- Neighbourhoods: 6
- Output areas: 37

* 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), [LL51](https://openindex.co.uk/postcode/ll51), [LL53](https://openindex.co.uk/postcode/ll53)

## Latest updates for LL54

- 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/LL54

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/ll54, or to one figure with its anchor, https://openindex.co.uk/postcode/ll54#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/ll54