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, by gigabit broadband

Map of every postcode in the LL57 3 sector, by gigabit broadband Of the 228 postcodes in the LL57 3 sector that ONS places, 83 have no home or business that can get gigabit, 38 have some that can and 107 can all get it. 2 groups of postcodes without gigabit are outlined: 66 postcodes without gigabit; 7 postcodes without gigabit. Places named: Bangor, Bethesda. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A5A4244A4086 LL57 3AA: gigabit for allLL57 3AB: gigabit for allLL57 3AJ: gigabit for allLL57 3AL: gigabit for allLL57 3AQ: gigabit for allLL57 3AZ: gigabit for allLL57 3BF: gigabit for allLL57 3BJ: gigabit for allLL57 3BQ: gigabit for allLL57 3BX: gigabit for allLL57 3BZ: gigabit for allLL57 3DE: gigabit for allLL57 3DF: gigabit for allLL57 3DG: gigabit for allLL57 3DR: gigabit for allLL57 3DS: gigabit for allLL57 3DW: gigabit for allLL57 3DY: gigabit for allLL57 3EA: gigabit for allLL57 3EB: gigabit for allLL57 3ED: gigabit for allLL57 3EE: gigabit for allLL57 3EF: gigabit for allLL57 3EG: gigabit for allLL57 3EL: gigabit for allLL57 3ES: gigabit for allLL57 3ET: gigabit for allLL57 3EU: gigabit for allLL57 3EW: gigabit for allLL57 3EY: gigabit for allLL57 3EZ: gigabit for allLL57 3GA: gigabit for allLL57 3GB: gigabit for allLL57 3HE: gigabit for allLL57 3HF: gigabit for allLL57 3HH: gigabit for allLL57 3HP: gigabit for allLL57 3HT: gigabit for allLL57 3HU: gigabit for allLL57 3HY: gigabit for allLL57 3LA: gigabit for allLL57 3LB: gigabit for allLL57 3LD: gigabit for allLL57 3LE: gigabit for allLL57 3LF: gigabit for allLL57 3LJ: gigabit for allLL57 3LT: gigabit for allLL57 3LU: gigabit for allLL57 3LY: gigabit for allLL57 3NB: gigabit for allLL57 3NF: gigabit for allLL57 3NH: gigabit for allLL57 3NN: gigabit for allLL57 3NQ: gigabit for allLL57 3NW: gigabit for allLL57 3NX: gigabit for allLL57 3NY: gigabit for allLL57 3PA: gigabit for allLL57 3PD: gigabit for allLL57 3PE: gigabit for allLL57 3PG: gigabit for allLL57 3PL: gigabit for allLL57 3PP: gigabit for allLL57 3PU: gigabit for allLL57 3UA: gigabit for allLL57 3UD: gigabit for allLL57 3UE: gigabit for allLL57 3UG: gigabit for allLL57 3YD: gigabit for allLL57 3YE: gigabit for allLL57 3YL: gigabit for allLL57 3AG: some gigabitLL57 3AX: some gigabitLL57 3AY: some gigabitLL57 3BP: some gigabitLL57 3DH: some gigabitLL57 3DN: some gigabitLL57 3DP: some gigabitLL57 3DQ: some gigabitLL57 3DT: some gigabitLL57 3DU: some gigabitLL57 3LG: some gigabitLL57 3LH: some gigabitLL57 3LL: some gigabitLL57 3LN: some gigabitLL57 3LQ: some gigabitLL57 3LX: some gigabitLL57 3NE: some gigabitLL57 3NT: some gigabitLL57 3RY: some gigabitLL57 3SB: some gigabitLL57 3TY: some gigabitLL57 3UB: some gigabitLL57 3UL: some gigabitLL57 3UR: some gigabitLL57 3YF: some gigabitLL57 3YG: some gigabitLL57 3YH: some gigabitLL57 3YN: some gigabitLL57 3YP: some gigabitLL57 3YW: some gigabitLL57 3AE: some gigabitLL57 3BD: no gigabitLL57 3BE: no gigabitLL57 3BH: no gigabitLL57 3BL: no gigabitLL57 3BS: no gigabitLL57 3BT: no gigabitLL57 3DB: no gigabitLL57 3DD: no gigabitLL57 3DL: no gigabitLL57 3EH: no gigabitLL57 3LP: no gigabitLL57 3LZ: no gigabitLL57 3PB: no gigabitLL57 3PY: no gigabitLL57 3RA: no gigabitLL57 3RD: no gigabitLL57 3RE: no gigabitLL57 3RF: no gigabitLL57 3RG: no gigabitLL57 3RH: no gigabitLL57 3RL: no gigabitLL57 3RN: no gigabitLL57 3RS: no gigabitLL57 3RT: no gigabitLL57 3RU: no gigabitLL57 3RW: no gigabitLL57 3RZ: no gigabitLL57 3SA: no gigabitLL57 3SG: no gigabitLL57 3SJ: no gigabitLL57 3SN: no gigabitLL57 3SP: no gigabitLL57 3SQ: no gigabitLL57 3SR: no gigabitLL57 3ST: no gigabitLL57 3SW: no gigabitLL57 3TA: no gigabitLL57 3TB: no gigabitLL57 3TD: no gigabitLL57 3TF: no gigabitLL57 3TG: no gigabitLL57 3TL: no gigabitLL57 3TN: no gigabitLL57 3TR: no gigabitLL57 3TS: no gigabitLL57 3TT: no gigabitLL57 3UF: no gigabitLL57 3UH: no gigabitLL57 3UT: no gigabitLL57 3UU: no gigabitLL57 3UY: no gigabitLL57 3UZ: no gigabitLL57 3YA: no gigabitLL57 3YB: no gigabitLL57 3YJ: no gigabitLL57 3YR: no gigabitLL57 3YS: no gigabitLL57 3YU: no gigabitLL57 3AW: no gigabitLL57 3AU: no gigabitLL57 3AT: no gigabitLL57 3PZ: no gigabit BangorBethesda 66 postcodes without gigabit, outlined: this goes to LL57 3SW, the one nearest the middle of them66 postcodes without gigabit7 postcodes without gigabit, outlined: this goes to LL57 3YU, the one nearest the middle of them7 postcodes without gigabit Map of every postcode in the LL57 3 sector, by gigabit broadband Of the 228 postcodes in the LL57 3 sector that ONS places, 83 have no home or business that can get gigabit, 38 have some that can and 107 can all get it. 2 groups of postcodes without gigabit are outlined: 66 postcodes without gigabit; 7 postcodes without gigabit. Places named: Bethesda. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A5 Bethesda 66 postcodes without gigabit, outlined: this goes to LL57 3SW, the one nearest the middle of them66 postcodes without gigabit
  • No home or business can get gigabit: 83
  • Some can get gigabit: 38
  • Every home and business can get gigabit: 107
  • Ofcom gives no figure: 0
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 228 postcodes in the LL57 3 sector that ONS places, 83 have no home or business that can get gigabit, 38 have some that can and 107 can all get it.

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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

83 postcodes here have no gigabit. These are the 12 first in postcode order.

LL57 3ATLL57 3AULL57 3AWLL57 3BBLL57 3BDLL57 3BELL57 3BHLL57 3BLLL57 3BNLL57 3BSLL57 3BTLL57 3BU

Where the postcodes without gigabit lie together

  • 66 postcodes without gigabit, outlined on the map. LL57 3SW, is the one nearest the middle of them.
  • 7 postcodes without gigabit, outlined on the map. LL57 3YU, is the one nearest the middle of them.

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

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