Map of LL55 1ND postcode

General information
Postcode LL55 1ND
Post Town Caernarfon
Nearest station Llanfairpwll (10 km)
Bus stops
Margaret Street Subway (NE)
TA Centre (SW)
Eagle Hotel (N)
Rhes Gwstenin (NE)
Ysgol Pendalar (W)
Bronallt (W)
Roads in this postcode
Number of UPRNs 47 View
Known addresses
2 William Street, Caernarfon
4 William Street, Caernarfon
6 William Street, Caernarfon
8 William Street, Caernarfon
10 William Street, Caernarfon
11 William Street, Caernarfon
13 William Street, Caernarfon
14 William Street, Caernarfon
15 William Street, Caernarfon
16 William Street, Caernarfon
17 William Street, Caernarfon
18 William Street, Caernarfon
19 William Street, Caernarfon
20 William Street, Caernarfon
21 William Street, Caernarfon
22 William Street, Caernarfon
25 William Street, Caernarfon
27 William Street, Caernarfon
28 William Street, Caernarfon
29 William Street, Caernarfon
30 William Street, Caernarfon
32 William Street, Caernarfon
33 William Street, Caernarfon
35 William Street, Caernarfon
36 William Street, Caernarfon
37 William Street, Caernarfon
38 William Street, Caernarfon
39 William Street, Caernarfon
40 William Street, Caernarfon
Main property type Terraced
Businesses
No businesses found
Geography
Latitude 53.140229
Longitude -4.269169
Easting 248313
Northing 362748
Grid reference SH483627
UTM reference 30U 415103 5888622
what3words lucky.grant.flash
Plus code 9C5Q4PRJ+38
Altitude 21 metres (70 feet)
Sunrise (today) 6:40
Sunset (today) 18:16
Distance away
Distance to sea 1.1 KMs (0.7 miles)
Administrative areas
ParishCaernarfonW04000056
Ward Peblig W05001555
Unitary Authority Gwynedd W06000002
County Gwynedd W11000004
Constituency (2024) Dwyfor Meirionnydd W07000096
MPLiz Saville RobertsPlaid Cymru
Police forceNorth Wales
Water companyDwr Cymru Welsh Water
NUTS/ITL 3 Gwynedd
NUTS/ITL 2 North Wales
NUTS/ITL 1 Wales
Country Wales W92000004
Data
Date introduced January 1980
Last updated February 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) 69
Households (2011) 35
Index of Multiple Deprivation (2019)
357 / 1,909
Most deprivedLeast deprived
Average household income (2020)
£37,900
Lowest (£22,200) Highest (£108,100)
Rural/urbanRural town and fringe
Built up area (2024)CaernarfonW45000738
Census output area (2021)W00000300
Census output area (2011)W00000300
Lower layer super output area (2021)Gwynedd 006AW01000059
Lower layer super output area (2011)Gwynedd 006AW01000059
Middle layer super output area (2021)Caernarfon EastW02000015
Middle layer super output area (2011)Caernarfon EastW02000015
Travel to work areaBangor and HolyheadW22000022
Property sales
Properties recently sold in this postcode
AddressTypeDatePrice
28 William Street, CaernarfonTerraced (freehold)Oct 2024£90,000
37 William Street, CaernarfonTerraced (freehold)Jul 2024£111,000
Terraced (freehold)Jun 2018£92,000
4 William Street, CaernarfonTerraced (freehold)Sep 2023£118,000
Terraced (freehold)Jul 2004£77,500
Terraced (freehold)Oct 2003£59,950
39 William Street, CaernarfonTerraced (freehold)Oct 2022£110,000
Terraced (freehold)Nov 2004£79,950
40 William Street, CaernarfonTerraced (freehold)Jun 2022£134,000
Terraced (freehold)Jun 2018£82,500
Terraced (freehold)Feb 2015£88,500
20 William Street, CaernarfonTerraced (freehold)May 2022£107,500
Terraced (freehold)Sep 2002£48,500
Terraced (freehold)Feb 1997£34,950
29 William Street, CaernarfonTerraced (freehold)Aug 2021£102,000
Terraced (freehold)Dec 2003£63,000
11 William Street, CaernarfonSemi-detached (freehold)Jan 2021£110,000
Semi-detached (freehold)May 2006£117,000
Semi-detached (freehold)Jul 1998£40,000
21 William Street, CaernarfonTerraced (freehold)Dec 2020£90,000
Terraced (freehold)Sep 2015£68,000
Terraced (freehold)Jun 2014£65,000
14 William Street, CaernarfonTerraced (freehold)Jun 2020£95,000
Terraced (freehold)Jun 2006£98,650
Terraced (freehold)Apr 2003£54,500


View all properties sold in the LL55 1 sector

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license