SY23 1 postcode sector in the SY23 district

SY23 1 is a sector of the SY23 district: every postcode that starts SY23 1. It has 190 postcodes in use, 9 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 SY23 1 sector, and which are new since 2020

Map of every postcode in the SY23 1 sector, by new since 2020 Of the 190 postcodes in the SY23 1 sector that ONS places, 6 are new since 2020 and 184 were in use before 2020. Places named: Aberystwyth, Llanbadarn Fawr. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A44A4120A487 SY23 1AB: before 2020SY23 1AS: before 2020SY23 1AT: before 2020SY23 1BA: before 2020SY23 1BB: before 2020SY23 1BD: before 2020SY23 1BE: before 2020SY23 1BG: before 2020SY23 1BH: before 2020SY23 1BJ: before 2020SY23 1BL: before 2020SY23 1BN: before 2020SY23 1BP: before 2020SY23 1BS: before 2020SY23 1BT: before 2020SY23 1BU: before 2020SY23 1BW: before 2020SY23 1BX: before 2020SY23 1DA: before 2020SY23 1DB: before 2020SY23 1DD: before 2020SY23 1DE: before 2020SY23 1DF: before 2020SY23 1DL: before 2020SY23 1DT: before 2020SY23 1DU: before 2020SY23 1DW: before 2020SY23 1DX: before 2020SY23 1DY: before 2020SY23 1DZ: before 2020SY23 1EB: before 2020SY23 1ED: before 2020SY23 1EE: before 2020SY23 1EF: before 2020SY23 1EH: before 2020SY23 1EJ: before 2020SY23 1EL: before 2020SY23 1EN: before 2020SY23 1EP: before 2020SY23 1EQ: before 2020SY23 1ER: before 2020SY23 1ES: before 2020SY23 1ET: before 2020SY23 1EU: before 2020SY23 1EW: before 2020SY23 1EY: before 2020SY23 1EZ: before 2020SY23 1HA: before 2020SY23 1HB: before 2020SY23 1HD: before 2020SY23 1HE: before 2020SY23 1HF: before 2020SY23 1HG: before 2020SY23 1HH: before 2020SY23 1HJ: before 2020SY23 1HL: before 2020SY23 1HN: before 2020SY23 1HQ: before 2020SY23 1HS: before 2020SY23 1HX: before 2020SY23 1HZ: before 2020SY23 1JA: before 2020SY23 1JB: before 2020SY23 1JE: before 2020SY23 1JF: before 2020SY23 1JG: before 2020SY23 1JH: before 2020SY23 1JJ: before 2020SY23 1JL: before 2020SY23 1JN: before 2020SY23 1JP: before 2020SY23 1JQ: before 2020SY23 1JR: before 2020SY23 1JS: before 2020SY23 1JT: before 2020SY23 1JU: before 2020SY23 1JW: before 2020SY23 1JX: before 2020SY23 1JY: before 2020SY23 1LA: before 2020SY23 1LB: before 2020SY23 1LD: before 2020SY23 1LE: before 2020SY23 1LG: before 2020SY23 1LH: before 2020SY23 1LL: before 2020SY23 1LN: before 2020SY23 1LP: before 2020SY23 1LR: before 2020SY23 1LS: before 2020SY23 1LT: before 2020SY23 1LU: before 2020SY23 1LW: before 2020SY23 1LX: before 2020SY23 1LZ: before 2020SY23 1NA: before 2020SY23 1NB: before 2020SY23 1ND: before 2020SY23 1NE: before 2020SY23 1NG: before 2020SY23 1NL: before 2020SY23 1NP: before 2020SY23 1NT: before 2020SY23 1NX: before 2020SY23 1NY: before 2020SY23 1NZ: before 2020SY23 1PA: before 2020SY23 1PB: before 2020SY23 1PD: before 2020SY23 1PF: before 2020SY23 1PG: before 2020SY23 1PH: before 2020SY23 1PJ: before 2020SY23 1PL: before 2020SY23 1PN: before 2020SY23 1PP: before 2020SY23 1PS: before 2020SY23 1PT: before 2020SY23 1PY: before 2020SY23 1PZ: before 2020SY23 1QB: before 2020SY23 1QD: before 2020SY23 1QE: before 2020SY23 1QF: before 2020SY23 1QG: before 2020SY23 1QH: before 2020SY23 1QP: before 2020SY23 1QQ: before 2020SY23 1QR: before 2020SY23 1QS: before 2020SY23 1QT: before 2020SY23 1QU: before 2020SY23 1QW: before 2020SY23 1QX: before 2020SY23 1QY: before 2020SY23 1QZ: before 2020SY23 1RA: before 2020SY23 1RB: before 2020SY23 1RD: before 2020SY23 1RE: before 2020SY23 1RF: before 2020SY23 1RG: before 2020SY23 1RH: before 2020SY23 1RJ: before 2020SY23 1RL: before 2020SY23 1RN: before 2020SY23 1RP: before 2020SY23 1RR: before 2020SY23 1RS: before 2020SY23 1RT: before 2020SY23 1RU: before 2020SY23 1RW: before 2020SY23 1RX: before 2020SY23 1RY: before 2020SY23 1RZ: before 2020SY23 1SA: before 2020SY23 1SD: before 2020SY23 1SE: before 2020SY23 1SF: before 2020SY23 1SG: before 2020SY23 1SH: before 2020SY23 1SJ: before 2020SY23 1SL: before 2020SY23 1SN: before 2020SY23 1SP: before 2020SY23 1SQ: before 2020SY23 1SR: before 2020SY23 1SS: before 2020SY23 1SW: before 2020SY23 1SY: before 2020SY23 1SZ: before 2020SY23 1TA: before 2020SY23 1TB: before 2020SY23 1TD: before 2020SY23 1TE: before 2020SY23 1TF: before 2020SY23 1TG: before 2020SY23 1TH: before 2020SY23 1TQ: before 2020SY23 1AE: new since 2020SY23 1AF: new since 2020SY23 1ST: new since 2020SY23 1WD: new since 2020SY23 1BZ: new since 2020 AberystwythLlanbadarn Fawr Map of every postcode in the SY23 1 sector, by new since 2020 Of the 190 postcodes in the SY23 1 sector that ONS places, 6 are new since 2020 and 184 were in use before 2020. Places named: Aberystwyth, Llanbadarn Fawr. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. AberystwythLlanbadarn Fawr
  • New since 2020: 6
  • In use before 2020: 184

Of the 190 postcodes in the SY23 1 sector that ONS places, 6 are new since 2020 and 184 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

The 5 newest postcodes

SY23 1AFApril 2026SY23 1WDApril 2025SY23 1AEFebruary 2024SY23 1STDecember 2023SY23 1WYOctober 2022

What do homes sell for in SY23 1?

Homes in SY23 1 sold for a typical £195,000 in the 12 months to September 2026, across 58 sales, HM Land Registry's figures show. The 12 months before gave £200,000 from 73 sales: not a change larger than chance would explain, given which homes happened to sell.

£195,000 typical price, the 12 months to September 2026
£200,000 12 months to September 2025
  • Detached £375,000 6 sales
  • Semi-detached £206,000 9 sales
  • Terraced £195,000 29 sales
  • Flat or maisonette £177,000 14 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 SY23 1. 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 October 2026.

Postcodes in SY23 1

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.

SY23 1ABSY23 1AESY23 1AFSY23 1ASSY23 1ATSY23 1BASY23 1BBSY23 1BDSY23 1BESY23 1BGSY23 1BHSY23 1BJSY23 1BLSY23 1BNSY23 1BPSY23 1BSSY23 1BTSY23 1BUSY23 1BWSY23 1BXSY23 1BYSY23 1BZSY23 1DASY23 1DBSY23 1DDSY23 1DESY23 1DFSY23 1DLSY23 1DTSY23 1DUSY23 1DWSY23 1DXSY23 1DYSY23 1DZSY23 1EBSY23 1EDSY23 1EESY23 1EFSY23 1EHSY23 1EJSY23 1ELSY23 1ENSY23 1EPSY23 1EQSY23 1ERSY23 1ESSY23 1ETSY23 1EUSY23 1EWSY23 1EYSY23 1EZSY23 1HASY23 1HBSY23 1HDSY23 1HESY23 1HFSY23 1HGSY23 1HHSY23 1HJSY23 1HLSY23 1HNSY23 1HQSY23 1HSSY23 1HXSY23 1HZSY23 1JASY23 1JBSY23 1JESY23 1JFSY23 1JGSY23 1JHSY23 1JJSY23 1JLSY23 1JNSY23 1JPSY23 1JQSY23 1JRSY23 1JSSY23 1JTSY23 1JUSY23 1JWSY23 1JXSY23 1JYSY23 1LASY23 1LBSY23 1LDSY23 1LESY23 1LFSY23 1LGSY23 1LHSY23 1LLSY23 1LNSY23 1LPSY23 1LRSY23 1LSSY23 1LTSY23 1LUSY23 1LWSY23 1LXSY23 1LZSY23 1NASY23 1NBSY23 1NDSY23 1NESY23 1NGSY23 1NJSY23 1NLSY23 1NPSY23 1NTSY23 1NXSY23 1NYSY23 1NZSY23 1PASY23 1PBSY23 1PDSY23 1PFSY23 1PGSY23 1PHSY23 1PJSY23 1PLSY23 1PNSY23 1PPSY23 1PSSY23 1PTSY23 1PUSY23 1PYSY23 1PZSY23 1QBSY23 1QDSY23 1QESY23 1QFSY23 1QGSY23 1QHSY23 1QPSY23 1QQSY23 1QRSY23 1QSSY23 1QTSY23 1QUSY23 1QWSY23 1QXSY23 1QYSY23 1QZSY23 1RASY23 1RBSY23 1RDSY23 1RESY23 1RFSY23 1RGSY23 1RHSY23 1RJSY23 1RLSY23 1RNSY23 1RPSY23 1RQSY23 1RRSY23 1RSSY23 1RTSY23 1RUSY23 1RWSY23 1RXSY23 1RYSY23 1RZSY23 1SASY23 1SDSY23 1SESY23 1SFSY23 1SGSY23 1SHSY23 1SJSY23 1SLSY23 1SNSY23 1SPSY23 1SQSY23 1SRSY23 1SSSY23 1STSY23 1SWSY23 1SYSY23 1SZSY23 1TASY23 1TBSY23 1TDSY23 1TESY23 1TFSY23 1TGSY23 1THSY23 1TQSY23 1WDSY23 1WY

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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