Postcode insights

LL55 3LW

Pentre Helen

Deiniolen

Interactive map showing LL55 3LW and surrounding area

Detailed insights for LL55 3LW

Overview

Postcode LL55 3LW is located in a rural town, within the Deiniolen ward of Gwynedd in the Wales region, and forms part of the Llanberis & Deiniolen area. It has high deprivation and average crime levels, with around 51.7 crimes per 1,000 residents per year, about 40% below the Wales average of 86 per 1,000. The average income per household in Llanberis & Deiniolen is £49,454 per year. The nearest station is Bangor (Gwynedd), about 5.2 miles away. There are no primary and no secondary schools in the area.

Crime rate
5/10
Crimes per 1k residents
52
Deprivation level
7/10
Income level
9/10
Social housing
54.4%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

7/10

Llanberis & Deiniolen has a high level of deprivation, ranked at position 663 out of 32,844 areas in the United Kingdom, placing it within the top 2% most deprived areas in Wales.

Crime level

5/10

Llanberis & Deiniolen has an average crime rate, with approximately 51.7 reported incidents per 1,000 population each year.

Social housing

54.4%

Approximately 54.4% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 15.0% of dwellings are socially rented.

Income level

9/10

The average income per household in Llanberis & Deiniolen is £49,454 per year.

Noise Level

No noise

No significant noise sources from railways or roads near LL55 3LW.

Transport

The nearest station is Bangor (Gwynedd) located about 5.2 miles away. There are no other stations nearby.

Parks

No parks nearby

Area Profile

Population
383
Population density
4,078.8 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
33.76(-1%)
Anti-social behaviour
7.91(-39%)
Criminal damage and arson
5.27(-28%)
Other crime
4.22(+101%)
Public order
3.69(-55%)
Wales average

Demographics

Ethnic groups

British
377
98.18%
Other Asian
3
0.78%
White and Black African (mixed)
2
0.52%
Other Mixed or Multiple ethnic groups
2
0.52%
Total population: 384

Economics

Education (age 16+)

No qualifications
59
21.77%
Level 2 (GCSEs 9-4)
59
21.77%
Level 4+ (Degree)
53
19.56%
Level 3 (A level)
42
15.5%
Level 1 (GCSEs 3-1)
31
11.44%
Total 16+ residents: 271

Housing

Housing tenure

Social rents from council
44
29.53%
Other social rented
37
24.83%
Owns outright
32
21.48%
Owns with a mortgage
24
16.11%
Other forms of private rent
6
4.03%
Total households: 149

Property prices in Deiniolen

Median price£155,000
Price per sq ft£183
Sales (last 12 months)23
Typical range (middle 50%)£117K – £288K

Based on 23 recent sales, the median property price is £155,000 (about £183 per square foot) in Deiniolen area, with individual transactions ranging from £58,000 up to £670,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Deiniolen over the last year.
TypeSalesMedian£/sq ft
Detached10£310,000£265
Terraced11£130,000£159
Semi-Detached2£106,000£147

10-year price trendmedian sale price in Deiniolen

Sale price

Ten year median sale price trend for each property type in Deiniolen.
YearDetachedSemi-DetachedTerraced
2016£124,950£71,900
2017£231,000£110,000£80,250
2018£185,000£145,000£90,000
2019£223,000£106,500£111,000
2020£199,000£172,000£120,500
2021£248,000£190,000£112,500
2022£252,500£232,000£97,000
2023£266,000£160,000£115,000
2024£371,250£178,750£115,000
2025£330,000£115,000£130,000
2026£310,000£137,000
Ten year median sale price trend for each property type in Deiniolen.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Deiniolen.
YearDetachedSemi-DetachedTerraced
2016£139£110
2017£138£103£106
2018£195£192£101
2019£280£112£126
2020£141£143
2021£254£194£149
2022£283£205£128
2023£280£201£167
2024£241£164£152
2025£277£191£160
2026£273£120
Ten year median sale price per square foot trend for each property type in Deiniolen.

Price distribution by property typelast 12 months

Price distribution by property type for Deiniolen in the last year.

Recent sales

There were 23 recent sold properties in the last 18 months near LL55 3LW.

Recent sold properties in the last 18 months near LL55 3LW
DateAddressTypeTenurePriceMap
21 Feb 20255, Hafod, Caernarfon, LL55 3DGSemi-DetachedFreehold£227,500
27 Aug 202510, Victoria Terrace, Caernarfon, LL55 3LTTerracedFreehold£205,000
15 Aug 20254, Glyn Terrace, Caernarfon, LL55 3LDTerracedFreehold£92,000
22 Aug 20252, Caled Ffrwd, Caernarfon, LL55 3DWTerracedFreehold£176,000
16 Mar 20261, Green Terrace, Caernarfon, LL55 3LETerracedFreehold£69,000

Schools

In the LL55 3LW postcode area, located within Llanberis & Deiniolen, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for LL55 3LW
DistancePhaseNameTypeRating
0.1 miNot applicableYsgol Gwaun GynfiWelsh establishment

N/A

Local amenities

1 nearby supermarkets & convenience stores within mi of LL55 3LW

Nearby supermarkets & convenience stores for LL55 3LW
DistanceNameAddressDirections
0.2 miLate StopBack New Street, Gwynedd, LL55 3LHWalking directions to Late Stop

Local councillor and member of parliament

Elected local representatives for LL55 3LW, including ward councillors and the local member of parliament.

Local councillors

Elfed Wyn Williams

Deiniolen - Elected 5 May 2022

Plaid Cymru - The Party of Wales

Member of parliament

Liz Saville Roberts

Dwyfor Meirionnydd - Elected 4 Jul 2024

Plaid Cymru - The Party of Wales

Geographic Information

RegionWalesUKL
DistrictGwyneddW06000002
Parliamentary ConstituencyDwyfor MeirionnyddW07000096
WardDeiniolenW05001526
ParishLlanddeiniolenW04000070
MSOA (Middle Layer Super Output Area)Llanberis & DeiniolenW02000014
LSOA (Lower Layer Super Output Area)Gwynedd 005AW01000063
Police ForceNorth Wales
Postcode Introduced1980-01-01

Frequently asked questions about LL55 3LW

Is LL55 3LW (Llanberis & Deiniolen) safe?

The area around LL55 3LW records about 52 crimes per 1,000 residents per year, which is a average crime rate for England: it scores 5 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across Wales as a whole the rate is about 86 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and public order.

What is the average house price near LL55 3LW?

The median sale price around LL55 3LW in Llanberis & Deiniolen is £155,000 (about £183 per square foot) based on 23 registered sales according to HM Land Registry data.

What schools are near LL55 3LW?

There is 1 school close to LL55 3LW, including Ysgol Gwaun Gynfi. Ratings are from the latest Ofsted inspections.

How deprived is the area around LL55 3LW?

LL55 3LW scores 7 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 663 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents LL55 3LW (Llanberis & Deiniolen) in Parliament and on the local council?

The Member of Parliament for Dwyfor Meirionnydd covering LL55 3LW is Liz Saville Roberts (Plaid Cymru - The Party of Wales), elected at the 2024 general election. The area is represented by 1 local councillor: Elfed Wyn Williams (Plaid Cymru - The Party of Wales).

Nearby Postcodes

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.