Map of LL55 3AH postcode

General information
Postcode LL55 3AH
Post Town Caernarfon
Nearest station Llanfairpwll (5 km)
Bus stops
Llys Gwynt (SW)
Rhosywylfa (NW)
Rhosywylfa (SE)
Number of UPRNs 5 View
Known addresses
Craig Y Wylfa, Llanddeiniolen
Main property type Other
Businesses
No businesses found
Geography
Latitude 53.182551
Longitude -4.174604
Easting 254781
Northing 367259
Grid reference SH547672
UTM reference 30U 421506 5893222
what3words fatherly.whimpered.costly
FixPhrase crouch lumping striving unsalted
Plus code 9C5Q5RMG+25
Altitude 132 metres (433 feet)
Sunrise (today) 8:08
Sunset (today) 16:52
Distance away
Distance to sea 2.5 KMs (1.6 miles)
Administrative areas
Parish Llanddeiniolen W04000070
Ward Bethel a'r Felinheli W05001512
Unitary Authority Gwynedd W06000002
County Gwynedd W11000004
Constituency (2024) Dwyfor Meirionnydd W07000096
MP Liz Saville Roberts Plaid Cymru
Police force North Wales
NUTS/ITL 3 Gwynedd
NUTS/ITL 2 North Wales
NUTS/ITL 1 Wales
Country Wales W92000004
Data
Date introduced January 1980
Last updated December 2025
User type Small (addresses receive less than 25 items of mail per day)
Quality Within the building of the matched address closest to the postcode mean
Demographics
Population (2011) 5
Households (2011) 2
Index of Multiple Deprivation (2017-2020)
1,320 / 1,909
Most deprivedLeast deprived
Average household income (2020)
£43,000
Lowest (£22,200) Highest (£108,100)
Rural/urban (2021)Smaller rural: Further from a major town or city
Rural/urban (2011)Rural hamlet and isolated dwellings
Census output area (2021)W00000269
Census output area (2011)W00000269
Lower layer super output area (2021)Gwynedd 004BW01000053
Lower layer super output area (2011)Gwynedd 004BW01000053
Middle layer super output area (2021)Bethel & LlanrugW02000013
Middle layer super output area (2011)Bethel & LlanrugW02000013
Travel to work areaBangor and HolyheadW22000022
Property sales
Average property price in Llandudno £204,566
Annual change 0.0%
View all properties sold in the LL postcode area
Properties recently sold in this postcode
AddressTypeDatePrice
Craig Y Wylfa, LlanddeiniolenOther (freehold)Dec 2020£7,000
Detached (freehold)Jan 2017£185,000


View all properties sold in the LL55 3 sector

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license