Postcode · Caernarfon

LL55 3EF area guide

Who lives in LL55 3EF, what homes sell for, and how it compares on crime, schools and transport.

Neighbourhood: Llanberis & Deiniolen
Council: Gwynedd
Region: Wales
Neighbourhood population: 1,859 (2024)

LL55 3EFCaernarfon

At a glance

What LL55 3EF is like

LL55 3EF is a postcode in the Llanberis & Deiniolen neighbourhood of Gwynedd. Nothing here is published for a single postcode, so these figures describe the neighbourhood around it: about 1,859 people. 65.8% of households own their home, 12.2% rent privately and 20.9% are in social housing. The biggest age group is 55–59, and 56.6% of adults are in work. It ranks among the more deprived parts of Wales. Higher-harm crime is around the national middle. Homes in LL55 3 sold for a median of £171,000 over the year to August 2026.

Scores

How LL55 3EF compares

Each figure is set against Wales as a whole. Follow a score for the detail behind it.

AffluenceMore

3.0/ 10

More deprived than most — decile 1 is the most deprived tenth of Wales, 10 the least.

CrimeMore

6/ 10

Around the middle — 27.3 higher-harm crimes per 1,000 people a year vs 31.1 nationally.

House pricesMore

£171,000

Median over 24 sales in LL55 3, −16.6% on the year before.

TransportMore

2.3/ 10

Limited — 0 stations within a mile, 14 bus stops within 800m.

SchoolsMore

6 schools nearest. None has a published inspection grade.

Household incomeMore

£49,454

Average a year, before tax — higher than 40% of neighbourhoods in England and Wales.

What stands out

Worth knowing before you invest

Only flagged where this area is materially different from the national picture.

01
More deprived than mostLook closer
On the Welsh Index of Multiple Deprivation 2025 it averages decile 3.0 of 10. Yields can be higher, but check tenant demand street by street.
02
Prices fallingLook closer
The median sale price in LL55 3 is down 16.6% on the year before.
03
Few private renters
Only 12.2% of households rent privately, against 17% across Wales.

Questions

LL55 3EF FAQs

Is LL55 3EF a good place to live?

Deprivation, crime, schools and transport at a glance.

On the Welsh Index of Multiple Deprivation 2025 it averages decile 3.0 of 10, where 10 is the least deprived tenth of Wales. Higher-harm crime runs at 27.3 per 1,000 people a year, band 6 of 10 nationally. Transport connectivity scores 2.3 out of 10 (limited).

How much does a house cost in LL55 3EF?

The median sale price over the last year was £171,000.

Homes in LL55 3 sold for a median of £171,000 across 24 sales in the year to August 2026, −16.6% on the year before. Prices come from HM Land Registry's record of every residential sale.

Is LL55 3EF safe?

How crime here compares with the rest of the country.

Higher-harm crime — violence, robbery, burglary, vehicle crime and weapons offences — runs at 27.3 offences per 1,000 people a year around LL55 3EF, below the 31.1 average across England and Wales, band 6 of 10.

Who lives in LL55 3EF?

Age, home ownership and housing from the census.

The biggest age group is 55–59, at 8.7% of residents. 65.8% of households own their home. The most common home is terraced (38.6%).

Which council covers LL55 3EF?

LL55 3EF is in Gwynedd.

LL55 3EF is in Gwynedd, in Wales. Council tax, planning applications and bin collections are handled there.

How well connected is LL55 3EF?

Connectivity scores 2.3 out of 10.

There are 14 bus stops within 800m and 0 stations and tram stops within a mile, scoring 2.3 out of 10 (limited). The nearest station is Llanberis (Snowdon Mountain Railway), 1.8 miles away.

Sources: Census 2021 (ONS); ONS mid-year population estimates; police recorded crime; the English, Welsh and Scottish indices of deprivation; ONS small area income estimates; ONS private rents; DfE, Welsh and Scottish school registers and Ofsted; DfT NaPTAN; ORR estimates of station usage; HM Land Registry Price Paid Data. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.

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