S12 3 postcode sector in the S12 district

S12 3 is a sector of the S12 district: every postcode that starts S12 3. It has 149 postcodes in use.

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

Every postcode in the S12 3 sector, by flood risk

Map of every postcode in the S12 3 sector, by flood risk Of the 149 postcodes in the S12 3 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst and 147 are not on the Environment Agency's at-risk list. Places named: Birley, Ridgeway & Marsh Lane. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A6135 S12 3AA: not on the flood risk listS12 3AB: not on the flood risk listS12 3AD: not on the flood risk listS12 3AE: not on the flood risk listS12 3AF: not on the flood risk listS12 3AG: not on the flood risk listS12 3AH: not on the flood risk listS12 3AJ: not on the flood risk listS12 3AL: not on the flood risk listS12 3AN: not on the flood risk listS12 3AP: not on the flood risk listS12 3AQ: not on the flood risk listS12 3AR: not on the flood risk listS12 3AS: not on the flood risk listS12 3AT: not on the flood risk listS12 3AU: not on the flood risk listS12 3AW: not on the flood risk listS12 3AX: not on the flood risk listS12 3AY: not on the flood risk listS12 3AZ: not on the flood risk listS12 3BA: not on the flood risk listS12 3BF: not on the flood risk listS12 3BJ: not on the flood risk listS12 3BN: not on the flood risk listS12 3BP: not on the flood risk listS12 3BQ: not on the flood risk listS12 3BR: not on the flood risk listS12 3BS: not on the flood risk listS12 3BT: not on the flood risk listS12 3BU: not on the flood risk listS12 3BX: not on the flood risk listS12 3DA: not on the flood risk listS12 3DB: not on the flood risk listS12 3DD: not on the flood risk listS12 3DE: not on the flood risk listS12 3DF: not on the flood risk listS12 3DG: not on the flood risk listS12 3DH: not on the flood risk listS12 3DJ: not on the flood risk listS12 3DL: not on the flood risk listS12 3DN: not on the flood risk listS12 3DQ: not on the flood risk listS12 3DR: not on the flood risk listS12 3DS: not on the flood risk listS12 3DT: not on the flood risk listS12 3DU: not on the flood risk listS12 3DW: not on the flood risk listS12 3DX: not on the flood risk listS12 3DY: not on the flood risk listS12 3DZ: not on the flood risk listS12 3EA: not on the flood risk listS12 3EB: not on the flood risk listS12 3ED: not on the flood risk listS12 3FA: not on the flood risk listS12 3FB: not on the flood risk listS12 3FD: not on the flood risk listS12 3FE: not on the flood risk listS12 3FF: not on the flood risk listS12 3FG: not on the flood risk listS12 3FH: not on the flood risk listS12 3FJ: not on the flood risk listS12 3FL: not on the flood risk listS12 3FN: not on the flood risk listS12 3FP: not on the flood risk listS12 3FQ: not on the flood risk listS12 3FR: not on the flood risk listS12 3FS: not on the flood risk listS12 3FT: not on the flood risk listS12 3FU: not on the flood risk listS12 3FW: not on the flood risk listS12 3FX: not on the flood risk listS12 3FY: not on the flood risk listS12 3FZ: not on the flood risk listS12 3GA: not on the flood risk listS12 3GB: not on the flood risk listS12 3GD: not on the flood risk listS12 3GE: not on the flood risk listS12 3GF: not on the flood risk listS12 3GG: not on the flood risk listS12 3GH: not on the flood risk listS12 3GJ: not on the flood risk listS12 3GL: not on the flood risk listS12 3GN: not on the flood risk listS12 3HA: not on the flood risk listS12 3HB: not on the flood risk listS12 3HD: not on the flood risk listS12 3HE: not on the flood risk listS12 3HF: not on the flood risk listS12 3HG: not on the flood risk listS12 3HH: not on the flood risk listS12 3HJ: not on the flood risk listS12 3HL: not on the flood risk listS12 3HN: not on the flood risk listS12 3HP: not on the flood risk listS12 3HQ: not on the flood risk listS12 3HR: not on the flood risk listS12 3HS: not on the flood risk listS12 3HT: not on the flood risk listS12 3HU: not on the flood risk listS12 3HW: not on the flood risk listS12 3HX: not on the flood risk listS12 3HY: not on the flood risk listS12 3HZ: not on the flood risk listS12 3JA: not on the flood risk listS12 3JB: not on the flood risk listS12 3JD: not on the flood risk listS12 3JE: not on the flood risk listS12 3JF: not on the flood risk listS12 3JG: not on the flood risk listS12 3JH: not on the flood risk listS12 3JJ: not on the flood risk listS12 3JL: not on the flood risk listS12 3JN: not on the flood risk listS12 3JR: not on the flood risk listS12 3JS: not on the flood risk listS12 3LA: not on the flood risk listS12 3LB: not on the flood risk listS12 3LD: not on the flood risk listS12 3LE: not on the flood risk listS12 3LF: not on the flood risk listS12 3LG: not on the flood risk listS12 3LH: not on the flood risk listS12 3LJ: not on the flood risk listS12 3LL: not on the flood risk listS12 3LN: not on the flood risk listS12 3LP: not on the flood risk listS12 3LQ: not on the flood risk listS12 3LR: not on the flood risk listS12 3XB: not on the flood risk listS12 3XD: not on the flood risk listS12 3XE: not on the flood risk listS12 3XF: not on the flood risk listS12 3XH: not on the flood risk listS12 3XJ: not on the flood risk listS12 3XL: not on the flood risk listS12 3XN: not on the flood risk listS12 3XP: not on the flood risk listS12 3XQ: not on the flood risk listS12 3XR: not on the flood risk listS12 3XS: not on the flood risk listS12 3XT: not on the flood risk listS12 3XW: not on the flood risk listS12 3XX: not on the flood risk listS12 3XY: not on the flood risk listS12 3XZ: not on the flood risk listS12 3YA: not on the flood risk listS12 3YH: not on the flood risk listS12 3YD: medium flood risk at worstS12 3YF: high flood risk BirleyRidgeway & Marsh Lane Map of every postcode in the S12 3 sector, by flood risk Of the 149 postcodes in the S12 3 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst and 147 are not on the Environment Agency's at-risk list. Places named: Birley, Ridgeway & Marsh Lane. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. BirleyRidgeway & Marsh Lane
  • A home or business at high risk: 1
  • At medium risk at worst: 1
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 147

Of the 149 postcodes in the S12 3 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst and 147 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. No boundary is drawn. 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.

S12 3YF4 at high risk

What do homes sell for in S12 3?

Homes in S12 3 sold for a typical £200,000 in the 12 months to August 2026, across 85 sales, up 0.6% on the 12 months before, HM Land Registry's figures show.

£200,000 typical price, the 12 months to August 2026
£198,750 12 months to August 2025
▲ up 0.6% on the 12 months before
  • Detached £281,000 10 sales
  • Semi-detached £200,000 63 sales
  • Terraced £180,000 7 sales
  • Flat or maisonette £117,500 5 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 S12 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 S12 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.

S12 3AAS12 3ABS12 3ADS12 3AES12 3AFS12 3AGS12 3AHS12 3AJS12 3ALS12 3ANS12 3APS12 3AQS12 3ARS12 3ASS12 3ATS12 3AUS12 3AWS12 3AXS12 3AYS12 3AZS12 3BAS12 3BFS12 3BJS12 3BNS12 3BPS12 3BQS12 3BRS12 3BSS12 3BTS12 3BUS12 3BXS12 3DAS12 3DBS12 3DDS12 3DES12 3DFS12 3DGS12 3DHS12 3DJS12 3DLS12 3DNS12 3DQS12 3DRS12 3DSS12 3DTS12 3DUS12 3DWS12 3DXS12 3DYS12 3DZS12 3EAS12 3EBS12 3EDS12 3FAS12 3FBS12 3FDS12 3FES12 3FFS12 3FGS12 3FHS12 3FJS12 3FLS12 3FNS12 3FPS12 3FQS12 3FRS12 3FSS12 3FTS12 3FUS12 3FWS12 3FXS12 3FYS12 3FZS12 3GAS12 3GBS12 3GDS12 3GES12 3GFS12 3GGS12 3GHS12 3GJS12 3GLS12 3GNS12 3HAS12 3HBS12 3HDS12 3HES12 3HFS12 3HGS12 3HHS12 3HJS12 3HLS12 3HNS12 3HPS12 3HQS12 3HRS12 3HSS12 3HTS12 3HUS12 3HWS12 3HXS12 3HYS12 3HZS12 3JAS12 3JBS12 3JDS12 3JES12 3JFS12 3JGS12 3JHS12 3JJS12 3JLS12 3JNS12 3JRS12 3JSS12 3LAS12 3LBS12 3LDS12 3LES12 3LFS12 3LGS12 3LHS12 3LJS12 3LLS12 3LNS12 3LPS12 3LQS12 3LRS12 3XBS12 3XDS12 3XES12 3XFS12 3XHS12 3XJS12 3XLS12 3XNS12 3XPS12 3XQS12 3XRS12 3XSS12 3XTS12 3XWS12 3XXS12 3XYS12 3XZS12 3YAS12 3YDS12 3YFS12 3YH

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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