Housing in LL55 4UP
What the homes in LL55 4UP are, who owns them, how many people share them and what they rent for.
- Neighbourhood
- Llanberis & Deiniolen
- Council
- Gwynedd
- Region
- Wales
- Neighbourhood population
- 1,988 (2024)
LL55 4UPCaernarfon
What homes look like here
Most homes here are terraced (47.3%). Flats make up 9.9%, below the 12.5% across Wales.
Owning vs renting
Across Wales, 66.1% of households own their home; the LL55 4UP area is broadly in line with that, at 67%. The private rented sector is broadly in line with the national picture, at 15.2% of households against 17%. 41% own outright and 26% with a mortgage.
- Owned67%66.1%
- Shared ownership0.2%0.3%
- Private rented15.2%17%
- Social rented17.3%16.5%
- Lives rent free0.2%0.2%
Who owns, who rents from whom
How many people live in each home
The average home here has 2.2 people living in it. 34.7% of households are one person living alone, against 31.9% across Wales.
Who lives together
The most common household is living alone, under 66, at 19.6%. 24% of households include dependent children.
Private rents in Gwynedd
Average monthly rent for a new or renewed tenancy in Gwynedd, August 2026, +6.9% on a year earlier. Published by council, not by neighbourhood.
Census figures aren't published for single postcodes, so everything on this tab describes the neighbourhood LL55 4UP sits in (Llanberis & Deiniolen): about 1,988 residents.
Source: Census 2021, Office for National Statistics. Population: ONS mid-year estimates. Open Government Licence v3.0. Rents: ONS Price Index of Private Rents.