Llanddeiniolen on the map

Location in GwyneddLlanddeiniolen sits where the marker shows within the county.

23,658
Population
9,231
Households
12
Schools nearby
£46,974
Avg. household income
777
Businesses
152
People per km²
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About Llanddeiniolen

Llanddeiniolen is a village located in Gwynedd, Wales, within the postcode area LL55. It lies approximately three miles from the larger town of Caernarfon, making it a convenient spot for those wishing to explore the surrounding area. The village is primarily residential, with a close-knit community and local amenities that cater to everyday needs.

The landscape around Llanddeiniolen features rolling hills and scenic views typical of the Welsh countryside. The village is also in proximity to Snowdonia National Park, offering opportunities for outdoor activities such as hiking and cycling. Local transport links provide access to nearby towns and attractions, making it a practical base for visitors looking to experience the natural beauty and culture of North Wales.

School Ratings in Llanddeiniolen

Families in Llanddeiniolen have access to 37 local schools.

House Prices in Llanddeiniolen

Homes sell for an average of £223K locally. Most of the housing is made up of terraced houses, averaging £147K.

Crime and Anti-Social Behaviour in Llanddeiniolen

Crime in the area is lower than the national average. Anti-social behaviour is the leading concern across Llanddeiniolen, with 1 incidents recorded in May 2026.

Healthcare in Llanddeiniolen

There are 3 GP surgeries within three miles of Llanddeiniolen, the nearest being Felinheli&porthaethwy Su (1.6 miles away).

Property Prices 2,562 sales

Average Price £223K
£100 , £24.13M
Detached £291K 628
Semi £196K 581
Terraced £147K 990
Flat £128K 56

Household Income in Llanddeiniolen ONS 2023

The average total household income in Llanddeiniolen is approximately £46,974 a year before tax, 15% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £36,975. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Llanddeiniolen £46,974
England & Wales avg. £55,302

Net (after tax) household income averages £36,975.

Businesses in Llanddeiniolen ONS 2025

There are approximately 777 active businesses based in Llanddeiniolen, around 33 for every 1,000 residents. The local economy is dominated by small firms: about 86% are micro-businesses employing fewer than 10 people, while 21 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

777 Total businesses
33 Per 1,000 residents
Micro, 0-9 86%
Small, 10-49 11%
Medium, 50-249 2%
Large, 250+ 1%

Crime in Llanddeiniolen 12 crimes · May 2026

Low Crime Area

Crime levels in Llanddeiniolen are lower than the England and Wales average. While violence & sexual offences is the most frequently recorded category, the overall picture is one of a settled and secure town where serious incidents remain uncommon.

Violence & Sexual Offences 8
Anti-Social Behaviour 1
Other Theft 1
Public Order 1
Shoplifting 1
Local Policing
North Wales Bethel Visit force website →
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 4 stations

Llanfairpwll Train Station 3.4 miles
Bangor (Gwynedd) Train Station 3.7 miles
Llanfairfechan Train Station 9.8 miles
Bodorgan Train Station 10 miles

Location

Local Government

District Gwynedd
Ward Canol Tref Caernarfon
Constituency Arfon
Parish Caernarfon

Home Ownership in Llanddeiniolen

Of the 10,267 households in and around Llanddeiniolen, 67% are owned, 20% are socially rented and 13% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 67% Social rented 20% Private rented 13%

Tenure from the 2021 Census (ONS), for the postcode districts covering Llanddeiniolen.

Frequently Asked Questions about Llanddeiniolen

What is the population of Llanddeiniolen?
Llanddeiniolen has a population of approximately 23,658 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Llanddeiniolen?
The average property in and around Llanddeiniolen sold for about £222,837, based on HM Land Registry Price Paid records. That is around 36% below the England and Wales average of £349,091.
What postcodes cover Llanddeiniolen?
Llanddeiniolen is covered by the LL55 postcode district.
How many schools are there in Llanddeiniolen?
There are 12 schools within easy reach of Llanddeiniolen, spanning primary, secondary and other phases.
Where is the nearest train station to Llanddeiniolen?
The nearest railway station to Llanddeiniolen is Llanfairpwll Train Station, about 3.4 miles away.