LL57 3 postcode sector in the LL57 district

LL57 3 is a sector of the LL57 district: every postcode that starts LL57 3. It has 228 postcodes in use, one of them a large-user postcode. 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 LL57 3 sector, and which are new since 2020

Map of every postcode in the LL57 3 sector, by new since 2020 Of the 228 postcodes in the LL57 3 sector that ONS places, 2 are new since 2020 and 226 were in use before 2020. Places named: Bangor, Bethesda. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A5A4244A4086 LL57 3AA: before 2020LL57 3AB: before 2020LL57 3AD: before 2020LL57 3AG: before 2020LL57 3AJ: before 2020LL57 3AL: before 2020LL57 3AN: before 2020LL57 3AQ: before 2020LL57 3AR: before 2020LL57 3AS: before 2020LL57 3AX: before 2020LL57 3AY: before 2020LL57 3AZ: before 2020LL57 3BD: before 2020LL57 3BE: before 2020LL57 3BF: before 2020LL57 3BH: before 2020LL57 3BJ: before 2020LL57 3BL: before 2020LL57 3BP: before 2020LL57 3BQ: before 2020LL57 3BS: before 2020LL57 3BT: before 2020LL57 3BX: before 2020LL57 3BZ: before 2020LL57 3DB: before 2020LL57 3DD: before 2020LL57 3DG: before 2020LL57 3DH: before 2020LL57 3DL: before 2020LL57 3DN: before 2020LL57 3DP: before 2020LL57 3DQ: before 2020LL57 3DR: before 2020LL57 3DS: before 2020LL57 3DT: before 2020LL57 3DU: before 2020LL57 3DW: before 2020LL57 3DY: before 2020LL57 3EA: before 2020LL57 3EB: before 2020LL57 3ED: before 2020LL57 3EE: before 2020LL57 3EF: before 2020LL57 3EG: before 2020LL57 3EH: before 2020LL57 3EL: before 2020LL57 3ES: before 2020LL57 3ET: before 2020LL57 3EU: before 2020LL57 3EW: before 2020LL57 3EY: before 2020LL57 3EZ: before 2020LL57 3GA: before 2020LL57 3GB: before 2020LL57 3HE: before 2020LL57 3HF: before 2020LL57 3HH: before 2020LL57 3HP: before 2020LL57 3HT: before 2020LL57 3HU: before 2020LL57 3HY: before 2020LL57 3LA: before 2020LL57 3LB: before 2020LL57 3LD: before 2020LL57 3LE: before 2020LL57 3LF: before 2020LL57 3LG: before 2020LL57 3LH: before 2020LL57 3LJ: before 2020LL57 3LL: before 2020LL57 3LN: before 2020LL57 3LP: before 2020LL57 3LQ: before 2020LL57 3LT: before 2020LL57 3LU: before 2020LL57 3LX: before 2020LL57 3LY: before 2020LL57 3LZ: before 2020LL57 3NB: before 2020LL57 3NE: before 2020LL57 3NF: before 2020LL57 3NH: before 2020LL57 3NN: before 2020LL57 3NQ: before 2020LL57 3NT: before 2020LL57 3NW: before 2020LL57 3NX: before 2020LL57 3NY: before 2020LL57 3PA: before 2020LL57 3PB: before 2020LL57 3PD: before 2020LL57 3PE: before 2020LL57 3PG: before 2020LL57 3PL: before 2020LL57 3PP: before 2020LL57 3PS: before 2020LL57 3PU: before 2020LL57 3PY: before 2020LL57 3RA: before 2020LL57 3RD: before 2020LL57 3RE: before 2020LL57 3RF: before 2020LL57 3RG: before 2020LL57 3RH: before 2020LL57 3RL: before 2020LL57 3RN: before 2020LL57 3RS: before 2020LL57 3RT: before 2020LL57 3RU: before 2020LL57 3RW: before 2020LL57 3RY: before 2020LL57 3RZ: before 2020LL57 3SA: before 2020LL57 3SB: before 2020LL57 3SG: before 2020LL57 3SJ: before 2020LL57 3SN: before 2020LL57 3SP: before 2020LL57 3SQ: before 2020LL57 3SR: before 2020LL57 3ST: before 2020LL57 3SW: before 2020LL57 3TA: before 2020LL57 3TB: before 2020LL57 3TD: before 2020LL57 3TF: before 2020LL57 3TG: before 2020LL57 3TL: before 2020LL57 3TN: before 2020LL57 3TR: before 2020LL57 3TS: before 2020LL57 3TT: before 2020LL57 3TY: before 2020LL57 3UA: before 2020LL57 3UB: before 2020LL57 3UD: before 2020LL57 3UE: before 2020LL57 3UF: before 2020LL57 3UG: before 2020LL57 3UH: before 2020LL57 3UL: before 2020LL57 3UR: before 2020LL57 3UT: before 2020LL57 3UU: before 2020LL57 3UY: before 2020LL57 3UZ: before 2020LL57 3YA: before 2020LL57 3YB: before 2020LL57 3YD: before 2020LL57 3YE: before 2020LL57 3YF: before 2020LL57 3YG: before 2020LL57 3YH: before 2020LL57 3YJ: before 2020LL57 3YL: before 2020LL57 3YN: before 2020LL57 3YP: before 2020LL57 3YR: before 2020LL57 3YS: before 2020LL57 3YU: before 2020LL57 3YW: before 2020LL57 3DE: new since 2020LL57 3DF: new since 2020 BangorBethesda Map of every postcode in the LL57 3 sector, by new since 2020 Of the 228 postcodes in the LL57 3 sector that ONS places, 2 are new since 2020 and 226 were in use before 2020. Places named: Bethesda. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A5 Bethesda
  • New since 2020: 2
  • In use before 2020: 226

Of the 228 postcodes in the LL57 3 sector that ONS places, 2 are new since 2020 and 226 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 2 newest postcodes

LL57 3DFOctober 2023LL57 3DEJune 2020

What do homes sell for in LL57 3?

Homes in LL57 3 sold for a typical £160,000 in the 12 months to August 2026, across 50 sales, no change on the 12 months before, HM Land Registry's figures show.

£160,000 typical price, the 12 months to August 2026
£160,000 12 months to August 2025
■ no change on the 12 months before
  • Detached £297,500 7 sales
  • Semi-detached £225,000 9 sales
  • Terraced £146,250 34 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 LL57 3. 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 LL57 3

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.

LL57 3AALL57 3ABLL57 3ADLL57 3AELL57 3AFLL57 3AGLL57 3AHLL57 3AJLL57 3ALLL57 3ANLL57 3AQLL57 3ARLL57 3ASLL57 3ATLL57 3AULL57 3AWLL57 3AXLL57 3AYLL57 3AZLL57 3BBLL57 3BDLL57 3BELL57 3BFLL57 3BGLL57 3BHLL57 3BJLL57 3BLLL57 3BNLL57 3BPLL57 3BQLL57 3BSLL57 3BTLL57 3BULL57 3BWLL57 3BXLL57 3BYLL57 3BZLL57 3DALL57 3DBLL57 3DDLL57 3DELL57 3DFLL57 3DGLL57 3DHLL57 3DLLL57 3DNLL57 3DPLL57 3DQLL57 3DRLL57 3DSLL57 3DTLL57 3DULL57 3DWLL57 3DYLL57 3EALL57 3EBLL57 3EDLL57 3EELL57 3EFLL57 3EGLL57 3EHLL57 3EJLL57 3ELLL57 3ENLL57 3EPLL57 3ERLL57 3ESLL57 3ETLL57 3EULL57 3EWLL57 3EXLL57 3EYLL57 3EZLL57 3GALL57 3GBLL57 3HALL57 3HBLL57 3HDLL57 3HELL57 3HFLL57 3HGLL57 3HHLL57 3HJLL57 3HLLL57 3HNLL57 3HPLL57 3HRLL57 3HSLL57 3HTLL57 3HULL57 3HWLL57 3HYLL57 3LALL57 3LBLL57 3LDLL57 3LELL57 3LFLL57 3LGLL57 3LHLL57 3LJLL57 3LLLL57 3LNLL57 3LPLL57 3LQLL57 3LTLL57 3LULL57 3LWLL57 3LXLL57 3LYLL57 3LZLL57 3NALL57 3NBLL57 3NDLL57 3NELL57 3NFLL57 3NGLL57 3NHLL57 3NJLL57 3NLLL57 3NNLL57 3NPLL57 3NQLL57 3NRLL57 3NSLL57 3NTLL57 3NULL57 3NWLL57 3NXLL57 3NYLL57 3PALL57 3PBLL57 3PDLL57 3PELL57 3PFLL57 3PGLL57 3PHLL57 3PJLL57 3PLLL57 3PNLL57 3PPLL57 3PRLL57 3PSLL57 3PULL57 3PWLL57 3PYLL57 3PZLL57 3RALL57 3RBLL57 3RDLL57 3RELL57 3RFLL57 3RGLL57 3RHLL57 3RJLL57 3RLLL57 3RNLL57 3RSLL57 3RTLL57 3RULL57 3RWLL57 3RXLL57 3RYLL57 3RZLL57 3SALL57 3SBLL57 3SDLL57 3SELL57 3SFLL57 3SGLL57 3SHLL57 3SJLL57 3SLLL57 3SNLL57 3SPLL57 3SQLL57 3SRLL57 3SSLL57 3STLL57 3SULL57 3SWLL57 3SYLL57 3TALL57 3TBLL57 3TDLL57 3TELL57 3TFLL57 3TGLL57 3THLL57 3TJLL57 3TLLL57 3TNLL57 3TPLL57 3TRLL57 3TSLL57 3TTLL57 3TULL57 3TWLL57 3TYLL57 3UALL57 3UBLL57 3UDLL57 3UELL57 3UFLL57 3UGLL57 3UHLL57 3ULLL57 3UNLL57 3URLL57 3UTLL57 3UULL57 3UYLL57 3UZLL57 3YALL57 3YBLL57 3YDLL57 3YELL57 3YFLL57 3YGLL57 3YHLL57 3YJLL57 3YLLL57 3YNLL57 3YPLL57 3YRLL57 3YSLL57 3YTLL57 3YULL57 3YW

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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