LL54 5 postcode sector in the LL54 district

LL54 5 is a sector of the LL54 district: every postcode that starts LL54 5. It has 167 postcodes in use, 4 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the LL54 5 sector, and which are new since 2020

Map of every postcode in the LL54 5 sector, by new since 2020 Of the 167 postcodes in the LL54 5 sector that ONS places, 1 are new since 2020 and 166 were in use before 2020. Places named: Caernarfon, Penygroes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A487A4871 LL54 5AA: before 2020LL54 5AB: before 2020LL54 5AD: before 2020LL54 5AE: before 2020LL54 5AG: before 2020LL54 5AH: before 2020LL54 5AJ: before 2020LL54 5AQ: before 2020LL54 5AR: before 2020LL54 5AU: before 2020LL54 5AY: before 2020LL54 5BB: before 2020LL54 5BD: before 2020LL54 5BE: before 2020LL54 5BG: before 2020LL54 5BH: before 2020LL54 5BJ: before 2020LL54 5BP: before 2020LL54 5BS: before 2020LL54 5BT: before 2020LL54 5DA: before 2020LL54 5DB: before 2020LL54 5DD: before 2020LL54 5DE: before 2020LL54 5DF: before 2020LL54 5DG: before 2020LL54 5DH: before 2020LL54 5DL: before 2020LL54 5DN: before 2020LL54 5DP: before 2020LL54 5DU: before 2020LL54 5DW: before 2020LL54 5DY: before 2020LL54 5EA: before 2020LL54 5EB: before 2020LL54 5ED: before 2020LL54 5EE: before 2020LL54 5EF: before 2020LL54 5EG: before 2020LL54 5EH: before 2020LL54 5EL: before 2020LL54 5EN: before 2020LL54 5EP: before 2020LL54 5ER: before 2020LL54 5ES: before 2020LL54 5EU: before 2020LL54 5EW: before 2020LL54 5EY: before 2020LL54 5HE: before 2020LL54 5HG: before 2020LL54 5HN: before 2020LL54 5HS: before 2020LL54 5HU: before 2020LL54 5HY: before 2020LL54 5LD: before 2020LL54 5LH: before 2020LL54 5LL: before 2020LL54 5LN: before 2020LL54 5LP: before 2020LL54 5LT: before 2020LL54 5LU: before 2020LL54 5LY: before 2020LL54 5NA: before 2020LL54 5NB: before 2020LL54 5NG: before 2020LL54 5NH: before 2020LL54 5NL: before 2020LL54 5NN: before 2020LL54 5NP: before 2020LL54 5NR: before 2020LL54 5NS: before 2020LL54 5NT: before 2020LL54 5NW: before 2020LL54 5PD: before 2020LL54 5PG: before 2020LL54 5PH: before 2020LL54 5PL: before 2020LL54 5PN: before 2020LL54 5PP: before 2020LL54 5PR: before 2020LL54 5PS: before 2020LL54 5PT: before 2020LL54 5PW: before 2020LL54 5RA: before 2020LL54 5RB: before 2020LL54 5RD: before 2020LL54 5RE: before 2020LL54 5RF: before 2020LL54 5RG: before 2020LL54 5RH: before 2020LL54 5RL: before 2020LL54 5RN: before 2020LL54 5RP: before 2020LL54 5RR: before 2020LL54 5RS: before 2020LL54 5SD: before 2020LL54 5SE: before 2020LL54 5SF: before 2020LL54 5SH: before 2020LL54 5SL: before 2020LL54 5SN: before 2020LL54 5SR: before 2020LL54 5SS: before 2020LL54 5ST: before 2020LL54 5SU: before 2020LL54 5SW: before 2020LL54 5SY: before 2020LL54 5TA: before 2020LL54 5TD: before 2020LL54 5TF: before 2020LL54 5TG: before 2020LL54 5TH: before 2020LL54 5TL: before 2020LL54 5TN: before 2020LL54 5TP: before 2020LL54 5TR: before 2020LL54 5TU: before 2020LL54 5TW: before 2020LL54 5TY: before 2020LL54 5UA: before 2020LL54 5UB: before 2020LL54 5UD: before 2020LL54 5UE: before 2020LL54 5UF: before 2020LL54 5UG: before 2020LL54 5UH: before 2020LL54 5UL: before 2020LL54 5UN: before 2020LL54 5UP: before 2020LL54 5UW: before 2020LL54 5EJ: new since 2020 CaernarfonPenygroes Map of every postcode in the LL54 5 sector, by new since 2020 Of the 167 postcodes in the LL54 5 sector that ONS places, 1 are new since 2020 and 166 were in use before 2020. Places named: Penygroes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A487 Penygroes
  • New since 2020: 1
  • In use before 2020: 166

Of the 167 postcodes in the LL54 5 sector that ONS places, 1 are new since 2020 and 166 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The newest postcode

LL54 5EJMarch 2021

What do homes sell for in LL54 5?

Homes in LL54 5 sold for a typical £195,000 in the 12 months to August 2026, across 32 sales, up 1.8% on the 12 months before, HM Land Registry's figures show.

£195,000 typical price, the 12 months to August 2026
£191,500 12 months to August 2025
▲ up 1.8% on the 12 months before
  • Detached £355,000 15 sales
  • Semi-detached £168,000 7 sales
  • Terraced £121,500 10 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start LL54 5. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in LL54 5

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

LL54 5AALL54 5ABLL54 5ADLL54 5AELL54 5AFLL54 5AGLL54 5AHLL54 5AJLL54 5ALLL54 5ANLL54 5APLL54 5AQLL54 5ARLL54 5ASLL54 5ATLL54 5AULL54 5AWLL54 5AYLL54 5AZLL54 5BALL54 5BBLL54 5BDLL54 5BELL54 5BGLL54 5BHLL54 5BJLL54 5BPLL54 5BSLL54 5BTLL54 5BULL54 5BWLL54 5DALL54 5DBLL54 5DDLL54 5DELL54 5DFLL54 5DGLL54 5DHLL54 5DLLL54 5DNLL54 5DPLL54 5DULL54 5DWLL54 5DYLL54 5EALL54 5EBLL54 5EDLL54 5EELL54 5EFLL54 5EGLL54 5EHLL54 5EJLL54 5ELLL54 5ENLL54 5EPLL54 5ERLL54 5ESLL54 5ETLL54 5EULL54 5EWLL54 5EYLL54 5HELL54 5HFLL54 5HGLL54 5HHLL54 5HLLL54 5HNLL54 5HPLL54 5HRLL54 5HSLL54 5HTLL54 5HULL54 5HWLL54 5HYLL54 5LALL54 5LBLL54 5LDLL54 5LELL54 5LFLL54 5LHLL54 5LLLL54 5LNLL54 5LPLL54 5LRLL54 5LSLL54 5LTLL54 5LULL54 5LWLL54 5LYLL54 5NALL54 5NBLL54 5NGLL54 5NHLL54 5NLLL54 5NNLL54 5NPLL54 5NRLL54 5NSLL54 5NTLL54 5NWLL54 5PBLL54 5PDLL54 5PELL54 5PFLL54 5PGLL54 5PHLL54 5PLLL54 5PNLL54 5PPLL54 5PRLL54 5PSLL54 5PTLL54 5PWLL54 5RALL54 5RBLL54 5RDLL54 5RELL54 5RFLL54 5RGLL54 5RHLL54 5RLLL54 5RNLL54 5RPLL54 5RRLL54 5RSLL54 5SDLL54 5SELL54 5SFLL54 5SGLL54 5SHLL54 5SJLL54 5SLLL54 5SNLL54 5SRLL54 5SSLL54 5STLL54 5SULL54 5SWLL54 5SYLL54 5TALL54 5TBLL54 5TDLL54 5TELL54 5TFLL54 5TGLL54 5THLL54 5TJLL54 5TLLL54 5TNLL54 5TPLL54 5TQLL54 5TRLL54 5TTLL54 5TULL54 5TWLL54 5TYLL54 5UALL54 5UBLL54 5UDLL54 5UELL54 5UFLL54 5UGLL54 5UHLL54 5ULLL54 5UNLL54 5UPLL54 5UW

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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