Postcode insights

LL54 7TP

Lon Llainffynnon

Y Groeslon

Interactive map showing LL54 7TP and surrounding area

Detailed insights for LL54 7TP

Overview

Postcode LL54 7TP is located in a remote rural village, within the Y Groeslon ward of Gwynedd in the Wales region, and forms part of the Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle area. It has low deprivation and very low crime levels, with around 28.8 crimes per 1,000 residents per year, about 66% below the Wales average of 86 per 1,000. The average income per household in Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle is £43,746 per year. The nearest station is Llanfairpwll, about 10.4 miles away. There are no primary and no secondary schools in the area.

Crime rate
2/10
Crimes per 1k residents
29
Deprivation level
3/10
Income level
6/10
Social housing
0.9%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

3/10

Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle has a low level of deprivation, ranked at position 1,375 out of 32,844 areas in the United Kingdom, placing it within the top 4% most deprived areas in Wales.

Crime level

2/10

Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle has a very low crime rate, with approximately 28.8 reported incidents per 1,000 population each year.

Social housing

0.9%

Approximately 0.9% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 16.1% of dwellings are socially rented.

Income level

6/10

The average income per household in Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle is £43,746 per year.

Noise Level

No noise

No significant noise sources from railways or roads near LL54 7TP.

Transport

The nearest station is Llanfairpwll located about 10.4 miles away. There are no other stations nearby.

Parks

No parks nearby

Area Profile

Population
285
Population density
127.3 per km²

Crime

Crime per 1,000 population

Anti-social behaviour
16.21(+25%)
Violence and sexual offences
12.61(-63%)
Other theft
5.4(+18%)
Criminal damage and arson
3.6(-51%)
Public order
3(-64%)
Wales average

Demographics

Ethnic groups

British
275
96.49%
White and Asian (mixed)
3
1.05%
Other White
3
1.05%
Pakistani
1
0.35%
White and Black Caribbean (mixed)
1
0.35%
Total population: 285

Economics

Education (age 16+)

Level 4+ (Degree)
94
39%
Level 3 (A level)
50
20.75%
Level 2 (GCSEs 9-4)
43
17.84%
No qualifications
25
10.37%
Level 1 (GCSEs 3-1)
12
4.98%
Total 16+ residents: 241

Housing

Housing tenure

Owns outright
70
60.87%
Owns with a mortgage
33
28.7%
Private landlord or letting agency
7
6.09%
Other forms of private rent
4
3.48%
Social rents from council
1
0.87%
Total households: 115

Property prices in Y Groeslon

Median price£234,750
Price per sq ft£226
Sales (last 12 months)14
Typical range (middle 50%)£167K – £409K

Based on 14 recent sales, the median property price is £234,750 (about £226 per square foot) in Y Groeslon area, with individual transactions ranging from £84,000 up to £760,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Y Groeslon over the last year.
TypeSalesMedian£/sq ft
Detached5£450,000£242
Semi-Detached5£212,000£212
Terraced4£110,500£202

10-year price trendmedian sale price in Y Groeslon

Sale price

Ten year median sale price trend for each property type in Y Groeslon.
YearDetachedSemi-DetachedTerraced
2016£212,500£170,000£132,000
2017£221,250£164,500£57,000
2018£295,000£164,500£77,500
2019£223,750£190,250£143,500
2020£175,000£193,500£119,000
2021£210,000£155,000£135,000
2022£305,000£170,000£140,000
2023£280,000£215,000£150,000
2024£326,000£245,000£180,100
2025£450,000£200,000£132,500
2026£326,250£203,500
Ten year median sale price trend for each property type in Y Groeslon.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Y Groeslon.
YearDetachedSemi-DetachedTerraced
2016£144£176£175
2017£162£180£263
2018£186£131£115
2019£182£189£186
2020£208£195£139
2021£236£226£164
2022£224£225£143
2023£258£198£214
2024£280£248£246
2025£292£197£194
2026£235£226
Ten year median sale price per square foot trend for each property type in Y Groeslon.

Price distribution by property typelast 12 months

Price distribution by property type for Y Groeslon in the last year.

Recent sales

There were 6 recent sold properties in the last 18 months near LL54 7TP.

Recent sold properties in the last 18 months near LL54 7TP
DateAddressTypeTenurePriceMap
10 Apr 202512, Dyffryn Terrace, Caernarfon, LL54 7TLTerracedFreehold£195,000
28 Apr 202620, Cefn Dyffryn, Caernarfon, LL54 7TQSemi-DetachedFreehold£212,000
19 Sept 20254, Rathbone Terrace, Caernarfon, LL54 7TGTerracedFreehold£170,000
09 May 20253, Trewen, Caernarfon, LL54 7SYTerracedFreehold£175,000
14 May 2025Noddfa, Gladstone Terrace, Caernarfon, LL54 7TETerracedFreehold£120,000

Schools

In the LL54 7TP postcode area, located within Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for LL54 7TP
DistancePhaseNameTypeRating
0.2 miNot applicableYsgol Bro LlifonWelsh establishment

N/A

Local amenities

No Supermarkets & Convenience Stores nearby

Local councillor and member of parliament

Elected local representatives for LL54 7TP, including ward councillors and the local member of parliament.

Local councillors

Llio Elenid Owen

Y Groeslon - 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
WardY GroeslonW05001569
ParishLlandwrogW04000072
MSOA (Middle Layer Super Output Area)Pen-y-groes, Tal-y-sarn & Dyffryn NantlleW02000017
LSOA (Lower Layer Super Output Area)Gwynedd 008AW01000073
Police ForceNorth Wales
Postcode Introduced1980-01-01

Frequently asked questions about LL54 7TP

Is LL54 7TP (Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle) safe?

The area around LL54 7TP records about 29 crimes per 1,000 residents per year, which is a very low crime rate for England: it scores 2 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 criminal damage and arson.

What is the average house price near LL54 7TP?

The median sale price around LL54 7TP in Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle is £234,750 (about £226 per square foot) based on 14 registered sales according to HM Land Registry data.

What schools are near LL54 7TP?

There is 1 school close to LL54 7TP, including Ysgol Bro Llifon. Ratings are from the latest Ofsted inspections.

How deprived is the area around LL54 7TP?

LL54 7TP scores 3 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 1,375 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents LL54 7TP (Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle) in Parliament and on the local council?

The Member of Parliament for Dwyfor Meirionnydd covering LL54 7TP is Liz Saville Roberts (Plaid Cymru - The Party of Wales), elected at the 2024 general election. The area is represented by 1 local councillor: Llio Elenid Owen (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.