S1 4 postcode sector in the S1 district

S1 4 is a sector of the S1 district: every postcode that starts S1 4. It has 261 postcodes in use, 5 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 S1 4 sector, by flood risk

Map of every postcode in the S1 4 sector, by flood risk Of the 261 postcodes in the S1 4 sector that ONS places, 9 have a home or business at high risk, 2 are at medium risk at worst, 43 are at low risk at worst and 207 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 11 postcodes at high or medium risk. Places named: City. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A61 S1 4AA: not on the flood risk listS1 4AB: not on the flood risk listS1 4AD: not on the flood risk listS1 4AE: not on the flood risk listS1 4AF: not on the flood risk listS1 4AH: not on the flood risk listS1 4AQ: not on the flood risk listS1 4AR: not on the flood risk listS1 4AS: not on the flood risk listS1 4AW: not on the flood risk listS1 4AZ: not on the flood risk listS1 4BA: not on the flood risk listS1 4BB: not on the flood risk listS1 4BF: not on the flood risk listS1 4BH: not on the flood risk listS1 4BJ: not on the flood risk listS1 4BN: not on the flood risk listS1 4BP: not on the flood risk listS1 4BS: not on the flood risk listS1 4BT: not on the flood risk listS1 4BU: not on the flood risk listS1 4BW: not on the flood risk listS1 4BX: not on the flood risk listS1 4BY: not on the flood risk listS1 4BZ: not on the flood risk listS1 4DA: not on the flood risk listS1 4DB: not on the flood risk listS1 4DD: not on the flood risk listS1 4DE: not on the flood risk listS1 4DF: not on the flood risk listS1 4DG: not on the flood risk listS1 4DH: not on the flood risk listS1 4DJ: not on the flood risk listS1 4DL: not on the flood risk listS1 4DN: not on the flood risk listS1 4DP: not on the flood risk listS1 4DQ: not on the flood risk listS1 4DT: not on the flood risk listS1 4DX: not on the flood risk listS1 4DZ: not on the flood risk listS1 4EA: not on the flood risk listS1 4EB: not on the flood risk listS1 4ED: not on the flood risk listS1 4EE: not on the flood risk listS1 4EF: not on the flood risk listS1 4EG: not on the flood risk listS1 4EH: not on the flood risk listS1 4EJ: not on the flood risk listS1 4EL: not on the flood risk listS1 4EN: not on the flood risk listS1 4EP: not on the flood risk listS1 4EQ: not on the flood risk listS1 4ER: not on the flood risk listS1 4ES: not on the flood risk listS1 4ET: not on the flood risk listS1 4EU: not on the flood risk listS1 4EW: not on the flood risk listS1 4EX: not on the flood risk listS1 4EY: not on the flood risk listS1 4EZ: not on the flood risk listS1 4FA: not on the flood risk listS1 4FB: not on the flood risk listS1 4FD: not on the flood risk listS1 4FE: not on the flood risk listS1 4FG: not on the flood risk listS1 4FH: not on the flood risk listS1 4FJ: not on the flood risk listS1 4FL: not on the flood risk listS1 4FS: not on the flood risk listS1 4FT: not on the flood risk listS1 4FU: not on the flood risk listS1 4FW: not on the flood risk listS1 4FZ: not on the flood risk listS1 4GB: not on the flood risk listS1 4GD: not on the flood risk listS1 4GE: not on the flood risk listS1 4GF: not on the flood risk listS1 4GG: not on the flood risk listS1 4GH: not on the flood risk listS1 4GJ: not on the flood risk listS1 4GN: not on the flood risk listS1 4GP: not on the flood risk listS1 4GT: not on the flood risk listS1 4GU: not on the flood risk listS1 4GX: not on the flood risk listS1 4GY: not on the flood risk listS1 4GZ: not on the flood risk listS1 4HD: not on the flood risk listS1 4HF: not on the flood risk listS1 4HG: not on the flood risk listS1 4HJ: not on the flood risk listS1 4HL: not on the flood risk listS1 4HN: not on the flood risk listS1 4HP: not on the flood risk listS1 4HQ: not on the flood risk listS1 4HR: not on the flood risk listS1 4HS: not on the flood risk listS1 4HX: not on the flood risk listS1 4JA: not on the flood risk listS1 4JB: not on the flood risk listS1 4JD: not on the flood risk listS1 4JF: not on the flood risk listS1 4JH: not on the flood risk listS1 4JL: not on the flood risk listS1 4JN: not on the flood risk listS1 4JP: not on the flood risk listS1 4JQ: not on the flood risk listS1 4JR: not on the flood risk listS1 4JT: not on the flood risk listS1 4JU: not on the flood risk listS1 4JX: not on the flood risk listS1 4JY: not on the flood risk listS1 4LA: not on the flood risk listS1 4LG: not on the flood risk listS1 4LH: not on the flood risk listS1 4LJ: not on the flood risk listS1 4LL: not on the flood risk listS1 4LN: not on the flood risk listS1 4LP: not on the flood risk listS1 4LQ: not on the flood risk listS1 4LR: not on the flood risk listS1 4LT: not on the flood risk listS1 4LU: not on the flood risk listS1 4LX: not on the flood risk listS1 4LZ: not on the flood risk listS1 4NB: not on the flood risk listS1 4ND: not on the flood risk listS1 4NE: not on the flood risk listS1 4NJ: not on the flood risk listS1 4NL: not on the flood risk listS1 4NN: not on the flood risk listS1 4NP: not on the flood risk listS1 4NQ: not on the flood risk listS1 4NS: not on the flood risk listS1 4PA: not on the flood risk listS1 4PB: not on the flood risk listS1 4PD: not on the flood risk listS1 4PF: not on the flood risk listS1 4PH: not on the flood risk listS1 4PL: not on the flood risk listS1 4QA: not on the flood risk listS1 4QB: not on the flood risk listS1 4QD: not on the flood risk listS1 4QJ: not on the flood risk listS1 4QL: not on the flood risk listS1 4QP: not on the flood risk listS1 4QQ: not on the flood risk listS1 4QR: not on the flood risk listS1 4QS: not on the flood risk listS1 4QT: not on the flood risk listS1 4QY: not on the flood risk listS1 4RF: not on the flood risk listS1 4RR: not on the flood risk listS1 4RY: not on the flood risk listS1 4SR: not on the flood risk listS1 4SX: not on the flood risk listS1 4SY: not on the flood risk listS1 4TN: not on the flood risk listS1 4TP: not on the flood risk listS1 4TT: not on the flood risk listS1 4TU: not on the flood risk listS1 4TY: not on the flood risk listS1 4UD: not on the flood risk listS1 4UE: not on the flood risk listS1 4UF: not on the flood risk listS1 4UH: not on the flood risk listS1 4UQ: not on the flood risk listS1 4UR: not on the flood risk listS1 4US: not on the flood risk listS1 4UT: not on the flood risk listS1 4UU: not on the flood risk listS1 4UW: not on the flood risk listS1 4UX: not on the flood risk listS1 4UZ: not on the flood risk listS1 4WB: not on the flood risk listS1 4WD: not on the flood risk listS1 4WE: not on the flood risk listS1 4WF: not on the flood risk listS1 4WJ: not on the flood risk listS1 4WP: not on the flood risk listS1 4WQ: not on the flood risk listS1 4XD: not on the flood risk listS1 4XF: not on the flood risk listS1 4XH: not on the flood risk listS1 4XJ: not on the flood risk listS1 4XL: not on the flood risk listS1 4YQ: not on the flood risk listS1 4AU: low flood risk at worstS1 4AX: low flood risk at worstS1 4LW: low flood risk at worstS1 4PJ: low flood risk at worstS1 4PN: low flood risk at worstS1 4PP: low flood risk at worstS1 4PR: low flood risk at worstS1 4PS: low flood risk at worstS1 4PT: low flood risk at worstS1 4PY: low flood risk at worstS1 4QU: low flood risk at worstS1 4QW: low flood risk at worstS1 4QZ: low flood risk at worstS1 4RA: low flood risk at worstS1 4RB: low flood risk at worstS1 4RD: low flood risk at worstS1 4RE: low flood risk at worstS1 4RH: low flood risk at worstS1 4RJ: low flood risk at worstS1 4RL: low flood risk at worstS1 4RN: low flood risk at worstS1 4RQ: low flood risk at worstS1 4RS: low flood risk at worstS1 4RU: low flood risk at worstS1 4RW: low flood risk at worstS1 4SB: low flood risk at worstS1 4SG: low flood risk at worstS1 4SJ: low flood risk at worstS1 4SS: low flood risk at worstS1 4ST: low flood risk at worstS1 4SZ: low flood risk at worstS1 4TA: low flood risk at worstS1 4TB: low flood risk at worstS1 4TE: low flood risk at worstS1 4TF: low flood risk at worstS1 4TG: low flood risk at worstS1 4TH: low flood risk at worstS1 4TJ: low flood risk at worstS1 4TL: low flood risk at worstS1 4UP: low flood risk at worstS1 4WG: low flood risk at worstS1 4WH: low flood risk at worstS1 4SD: medium flood risk at worstS1 4SP: medium flood risk at worstS1 4QF: high flood riskS1 4QG: high flood riskS1 4RG: high flood riskS1 4RT: high flood riskS1 4RZ: high flood riskS1 4SA: high flood riskS1 4SE: high flood riskS1 4SF: high flood riskS1 4SQ: high flood risk City 11 postcodes at high or medium risk, outlined: this goes to S1 4QG, the one with most homes and businesses at high risk11 postcodes at high or medium risk Map of every postcode in the S1 4 sector, by flood risk Of the 261 postcodes in the S1 4 sector that ONS places, 9 have a home or business at high risk, 2 are at medium risk at worst, 43 are at low risk at worst and 207 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 11 postcodes at high or medium risk. Places named: City. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. City
  • A home or business at high risk: 9
  • At medium risk at worst: 2
  • At low risk at worst: 43
  • At very low risk only: 0
  • Not on the at-risk list: 207
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 261 postcodes in the S1 4 sector that ONS places, 9 have a home or business at high risk, 2 are at medium risk at worst, 43 are at low risk at worst and 207 are not on the Environment Agency's at-risk list.

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. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

S1 4QG126 at high riskS1 4RZ115 at high riskS1 4QF16 at high riskS1 4SE7 at high riskS1 4SA2 at high riskS1 4RG1 at high riskS1 4RT1 at high riskS1 4SF1 at high riskS1 4SQ1 at high risk

Where the postcodes at high or medium risk lie together

  • 11 postcodes at high or medium risk, outlined on the map. S1 4QG, is the one with most homes and businesses at high risk.

What do homes sell for in S1 4?

Homes in S1 4 sold for a typical £97,500 in the 12 months to August 2026, across 36 sales, down 29.3% on the 12 months before, HM Land Registry's figures show.

£97,500 typical price, the 12 months to August 2026
£138,000 12 months to August 2025
▼ down 29.3% on the 12 months before
  • Terraced 2 sales, too few to price
  • Flat or maisonette £92,500 34 sales

Standard sales of homes at market value at the postcodes that start S1 4. 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 S1 4

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.

S1 4AAS1 4ABS1 4ADS1 4AES1 4AFS1 4AHS1 4AJS1 4ALS1 4ANS1 4APS1 4AQS1 4ARS1 4ASS1 4ATS1 4AUS1 4AWS1 4AXS1 4AZS1 4BAS1 4BBS1 4BDS1 4BFS1 4BHS1 4BJS1 4BNS1 4BPS1 4BSS1 4BTS1 4BUS1 4BWS1 4BXS1 4BYS1 4BZS1 4DAS1 4DBS1 4DDS1 4DES1 4DFS1 4DGS1 4DHS1 4DJS1 4DLS1 4DNS1 4DPS1 4DQS1 4DTS1 4DXS1 4DZS1 4EAS1 4EBS1 4EDS1 4EES1 4EFS1 4EGS1 4EHS1 4EJS1 4ELS1 4ENS1 4EPS1 4EQS1 4ERS1 4ESS1 4ETS1 4EUS1 4EWS1 4EXS1 4EYS1 4EZS1 4FAS1 4FBS1 4FDS1 4FES1 4FGS1 4FHS1 4FJS1 4FLS1 4FSS1 4FTS1 4FUS1 4FWS1 4FZS1 4GBS1 4GDS1 4GES1 4GFS1 4GGS1 4GHS1 4GJS1 4GNS1 4GPS1 4GTS1 4GUS1 4GXS1 4GYS1 4GZS1 4HDS1 4HFS1 4HGS1 4HJS1 4HLS1 4HNS1 4HPS1 4HQS1 4HRS1 4HSS1 4HXS1 4JAS1 4JBS1 4JDS1 4JFS1 4JHS1 4JLS1 4JNS1 4JPS1 4JQS1 4JRS1 4JTS1 4JUS1 4JXS1 4JYS1 4LAS1 4LGS1 4LHS1 4LJS1 4LLS1 4LNS1 4LPS1 4LQS1 4LRS1 4LSS1 4LTS1 4LUS1 4LWS1 4LXS1 4LZS1 4NBS1 4NDS1 4NES1 4NJS1 4NLS1 4NNS1 4NPS1 4NQS1 4NSS1 4NTS1 4NUS1 4NWS1 4PAS1 4PBS1 4PDS1 4PFS1 4PHS1 4PJS1 4PLS1 4PNS1 4PPS1 4PRS1 4PSS1 4PTS1 4PYS1 4QAS1 4QBS1 4QDS1 4QFS1 4QGS1 4QJS1 4QLS1 4QPS1 4QQS1 4QRS1 4QSS1 4QTS1 4QUS1 4QWS1 4QYS1 4QZS1 4RAS1 4RBS1 4RDS1 4RES1 4RFS1 4RGS1 4RHS1 4RJS1 4RLS1 4RNS1 4RQS1 4RRS1 4RSS1 4RTS1 4RUS1 4RWS1 4RYS1 4RZS1 4SAS1 4SBS1 4SDS1 4SES1 4SFS1 4SGS1 4SJS1 4SPS1 4SQS1 4SRS1 4SSS1 4STS1 4SXS1 4SYS1 4SZS1 4TAS1 4TBS1 4TES1 4TFS1 4TGS1 4THS1 4TJS1 4TLS1 4TNS1 4TPS1 4TQS1 4TTS1 4TUS1 4TYS1 4UAS1 4UBS1 4UDS1 4UES1 4UFS1 4UHS1 4ULS1 4UNS1 4UPS1 4UQS1 4URS1 4USS1 4UTS1 4UUS1 4UWS1 4UXS1 4UYS1 4UZS1 4WBS1 4WDS1 4WES1 4WFS1 4WGS1 4WHS1 4WJS1 4WPS1 4WQS1 4XBS1 4XDS1 4XES1 4XFS1 4XGS1 4XHS1 4XJS1 4XLS1 4YQS1 4YSS1 4ZA

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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