BS3 4 postcode sector in the BS3 district

BS3 4 is a sector of the BS3 district: every postcode that starts BS3 4. It has 206 postcodes in use, 4 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 BS3 4 sector, by flood risk

Map of every postcode in the BS3 4 sector, by flood risk Of the 206 postcodes in the BS3 4 sector that ONS places, 2 are at medium risk at worst, 7 are at low risk at worst, 38 are at very low risk only and 159 are not on the Environment Agency's at-risk list. Places named: Windmill Hill, Southville. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A370A38A4 BS3 4AA: not on the flood risk listBS3 4AB: not on the flood risk listBS3 4AE: not on the flood risk listBS3 4AF: not on the flood risk listBS3 4AJ: not on the flood risk listBS3 4AL: not on the flood risk listBS3 4AP: not on the flood risk listBS3 4AR: not on the flood risk listBS3 4BD: not on the flood risk listBS3 4BF: not on the flood risk listBS3 4BH: not on the flood risk listBS3 4BJ: not on the flood risk listBS3 4BY: not on the flood risk listBS3 4DA: not on the flood risk listBS3 4DP: not on the flood risk listBS3 4DT: not on the flood risk listBS3 4EG: not on the flood risk listBS3 4EJ: not on the flood risk listBS3 4EQ: not on the flood risk listBS3 4ER: not on the flood risk listBS3 4ET: not on the flood risk listBS3 4EW: not on the flood risk listBS3 4FD: not on the flood risk listBS3 4FH: not on the flood risk listBS3 4FJ: not on the flood risk listBS3 4FL: not on the flood risk listBS3 4FP: not on the flood risk listBS3 4FQ: not on the flood risk listBS3 4FR: not on the flood risk listBS3 4JE: not on the flood risk listBS3 4JJ: not on the flood risk listBS3 4JR: not on the flood risk listBS3 4JW: not on the flood risk listBS3 4LA: not on the flood risk listBS3 4LB: not on the flood risk listBS3 4LD: not on the flood risk listBS3 4LE: not on the flood risk listBS3 4LF: not on the flood risk listBS3 4LH: not on the flood risk listBS3 4LJ: not on the flood risk listBS3 4LL: not on the flood risk listBS3 4LN: not on the flood risk listBS3 4LP: not on the flood risk listBS3 4LS: not on the flood risk listBS3 4LT: not on the flood risk listBS3 4LU: not on the flood risk listBS3 4LW: not on the flood risk listBS3 4LX: not on the flood risk listBS3 4LY: not on the flood risk listBS3 4LZ: not on the flood risk listBS3 4NE: not on the flood risk listBS3 4NF: not on the flood risk listBS3 4NH: not on the flood risk listBS3 4NJ: not on the flood risk listBS3 4NL: not on the flood risk listBS3 4NP: not on the flood risk listBS3 4NQ: not on the flood risk listBS3 4NR: not on the flood risk listBS3 4NS: not on the flood risk listBS3 4NT: not on the flood risk listBS3 4NW: not on the flood risk listBS3 4NX: not on the flood risk listBS3 4NY: not on the flood risk listBS3 4NZ: not on the flood risk listBS3 4PA: not on the flood risk listBS3 4PB: not on the flood risk listBS3 4PD: not on the flood risk listBS3 4PE: not on the flood risk listBS3 4PF: not on the flood risk listBS3 4PG: not on the flood risk listBS3 4PH: not on the flood risk listBS3 4PJ: not on the flood risk listBS3 4PL: not on the flood risk listBS3 4PN: not on the flood risk listBS3 4PP: not on the flood risk listBS3 4PQ: not on the flood risk listBS3 4PR: not on the flood risk listBS3 4PS: not on the flood risk listBS3 4PT: not on the flood risk listBS3 4PU: not on the flood risk listBS3 4PW: not on the flood risk listBS3 4PX: not on the flood risk listBS3 4PZ: not on the flood risk listBS3 4QA: not on the flood risk listBS3 4QE: not on the flood risk listBS3 4QF: not on the flood risk listBS3 4QG: not on the flood risk listBS3 4QH: not on the flood risk listBS3 4QJ: not on the flood risk listBS3 4QL: not on the flood risk listBS3 4QN: not on the flood risk listBS3 4QP: not on the flood risk listBS3 4QQ: not on the flood risk listBS3 4QR: not on the flood risk listBS3 4QS: not on the flood risk listBS3 4QT: not on the flood risk listBS3 4QU: not on the flood risk listBS3 4QW: not on the flood risk listBS3 4QX: not on the flood risk listBS3 4QY: not on the flood risk listBS3 4RH: not on the flood risk listBS3 4RJ: not on the flood risk listBS3 4RL: not on the flood risk listBS3 4RP: not on the flood risk listBS3 4RQ: not on the flood risk listBS3 4RU: not on the flood risk listBS3 4RX: not on the flood risk listBS3 4RY: not on the flood risk listBS3 4RZ: not on the flood risk listBS3 4SA: not on the flood risk listBS3 4SB: not on the flood risk listBS3 4SD: not on the flood risk listBS3 4SE: not on the flood risk listBS3 4SF: not on the flood risk listBS3 4SH: not on the flood risk listBS3 4SJ: not on the flood risk listBS3 4SL: not on the flood risk listBS3 4SN: not on the flood risk listBS3 4SP: not on the flood risk listBS3 4SQ: not on the flood risk listBS3 4SR: not on the flood risk listBS3 4SS: not on the flood risk listBS3 4ST: not on the flood risk listBS3 4SU: not on the flood risk listBS3 4SW: not on the flood risk listBS3 4SX: not on the flood risk listBS3 4SZ: not on the flood risk listBS3 4TA: not on the flood risk listBS3 4TG: not on the flood risk listBS3 4TH: not on the flood risk listBS3 4TJ: not on the flood risk listBS3 4TL: not on the flood risk listBS3 4TN: not on the flood risk listBS3 4TP: not on the flood risk listBS3 4TQ: not on the flood risk listBS3 4TR: not on the flood risk listBS3 4TS: not on the flood risk listBS3 4TT: not on the flood risk listBS3 4TU: not on the flood risk listBS3 4TW: not on the flood risk listBS3 4TX: not on the flood risk listBS3 4TY: not on the flood risk listBS3 4TZ: not on the flood risk listBS3 4UA: not on the flood risk listBS3 4UB: not on the flood risk listBS3 4UD: not on the flood risk listBS3 4UE: not on the flood risk listBS3 4UF: not on the flood risk listBS3 4UG: not on the flood risk listBS3 4UH: not on the flood risk listBS3 4UJ: not on the flood risk listBS3 4UL: not on the flood risk listBS3 4UQ: not on the flood risk listBS3 4AG: very low flood risk onlyBS3 4AN: very low flood risk onlyBS3 4AQ: very low flood risk onlyBS3 4AS: very low flood risk onlyBS3 4AT: very low flood risk onlyBS3 4AZ: very low flood risk onlyBS3 4BL: very low flood risk onlyBS3 4BW: very low flood risk onlyBS3 4BX: very low flood risk onlyBS3 4DG: very low flood risk onlyBS3 4DJ: very low flood risk onlyBS3 4DL: very low flood risk onlyBS3 4DN: very low flood risk onlyBS3 4DR: very low flood risk onlyBS3 4DW: very low flood risk onlyBS3 4DX: very low flood risk onlyBS3 4DY: very low flood risk onlyBS3 4DZ: very low flood risk onlyBS3 4EA: very low flood risk onlyBS3 4EE: very low flood risk onlyBS3 4EP: very low flood risk onlyBS3 4EU: very low flood risk onlyBS3 4EX: very low flood risk onlyBS3 4EY: very low flood risk onlyBS3 4HB: very low flood risk onlyBS3 4HD: very low flood risk onlyBS3 4HG: very low flood risk onlyBS3 4HL: very low flood risk onlyBS3 4HR: very low flood risk onlyBS3 4HS: very low flood risk onlyBS3 4HT: very low flood risk onlyBS3 4HY: very low flood risk onlyBS3 4JA: very low flood risk onlyBS3 4JQ: very low flood risk onlyBS3 4JY: very low flood risk onlyBS3 4NA: very low flood risk onlyBS3 4AW: low flood risk at worstBS3 4BE: low flood risk at worstBS3 4HX: low flood risk at worstBS3 4BZ: low flood risk at worstBS3 4DB: low flood risk at worstBS3 4EB: low flood risk at worstBS3 4HH: low flood risk at worstBS3 4AY: medium flood risk at worstBS3 4BG: medium flood risk at worst Windmill HillSouthville Map of every postcode in the BS3 4 sector, by flood risk Of the 206 postcodes in the BS3 4 sector that ONS places, 2 are at medium risk at worst, 7 are at low risk at worst, 38 are at very low risk only and 159 are not on the Environment Agency's at-risk list. Places named: Windmill Hill, Southville. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A370 Windmill HillSouthville
  • A home or business at high risk: 0
  • At medium risk at worst: 2
  • At low risk at worst: 7
  • At very low risk only: 38
  • Not on the at-risk list: 159

Of the 206 postcodes in the BS3 4 sector that ONS places, 2 are at medium risk at worst, 7 are at low risk at worst, 38 are at very low risk only and 159 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. 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 medium risk at worst

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

What do homes sell for in BS3 4?

Homes in BS3 4 sold for a typical £405,000 in the 12 months to August 2026, across 161 sales, up 1.9% on the 12 months before, HM Land Registry's figures show.

£405,000 typical price, the 12 months to August 2026
£397,500 12 months to August 2025
▲ up 1.9% on the 12 months before
  • Semi-detached 4 sales, too few to price
  • Terraced £439,000 98 sales
  • Flat or maisonette £250,000 59 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 BS3 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 BS3 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.

BS3 4AABS3 4ABBS3 4AEBS3 4AFBS3 4AGBS3 4AJBS3 4ALBS3 4ANBS3 4APBS3 4AQBS3 4ARBS3 4ASBS3 4ATBS3 4AWBS3 4AXBS3 4AYBS3 4AZBS3 4BDBS3 4BEBS3 4BFBS3 4BGBS3 4BHBS3 4BJBS3 4BLBS3 4BUBS3 4BWBS3 4BXBS3 4BYBS3 4BZBS3 4DABS3 4DBBS3 4DGBS3 4DJBS3 4DLBS3 4DNBS3 4DPBS3 4DRBS3 4DTBS3 4DWBS3 4DXBS3 4DYBS3 4DZBS3 4EABS3 4EBBS3 4EEBS3 4EGBS3 4EJBS3 4EPBS3 4EQBS3 4ERBS3 4ETBS3 4EUBS3 4EWBS3 4EXBS3 4EYBS3 4FDBS3 4FEBS3 4FFBS3 4FGBS3 4FHBS3 4FJBS3 4FLBS3 4FPBS3 4FQBS3 4FRBS3 4HBBS3 4HDBS3 4HGBS3 4HHBS3 4HLBS3 4HRBS3 4HSBS3 4HTBS3 4HUBS3 4HXBS3 4HYBS3 4JABS3 4JEBS3 4JJBS3 4JQBS3 4JRBS3 4JWBS3 4JYBS3 4LABS3 4LBBS3 4LDBS3 4LEBS3 4LFBS3 4LGBS3 4LHBS3 4LJBS3 4LLBS3 4LNBS3 4LPBS3 4LQBS3 4LSBS3 4LTBS3 4LUBS3 4LWBS3 4LXBS3 4LYBS3 4LZBS3 4NABS3 4NEBS3 4NFBS3 4NHBS3 4NJBS3 4NLBS3 4NPBS3 4NQBS3 4NRBS3 4NSBS3 4NTBS3 4NWBS3 4NXBS3 4NYBS3 4NZBS3 4PABS3 4PBBS3 4PDBS3 4PEBS3 4PFBS3 4PGBS3 4PHBS3 4PJBS3 4PLBS3 4PNBS3 4PPBS3 4PQBS3 4PRBS3 4PSBS3 4PTBS3 4PUBS3 4PWBS3 4PXBS3 4PZBS3 4QABS3 4QEBS3 4QFBS3 4QGBS3 4QHBS3 4QJBS3 4QLBS3 4QNBS3 4QPBS3 4QQBS3 4QRBS3 4QSBS3 4QTBS3 4QUBS3 4QWBS3 4QXBS3 4QYBS3 4RHBS3 4RJBS3 4RLBS3 4RPBS3 4RQBS3 4RUBS3 4RXBS3 4RYBS3 4RZBS3 4SABS3 4SBBS3 4SDBS3 4SEBS3 4SFBS3 4SHBS3 4SJBS3 4SLBS3 4SNBS3 4SPBS3 4SQBS3 4SRBS3 4SSBS3 4STBS3 4SUBS3 4SWBS3 4SXBS3 4SZBS3 4TABS3 4TGBS3 4THBS3 4TJBS3 4TLBS3 4TNBS3 4TPBS3 4TQBS3 4TRBS3 4TSBS3 4TTBS3 4TUBS3 4TWBS3 4TXBS3 4TYBS3 4TZBS3 4UABS3 4UBBS3 4UDBS3 4UEBS3 4UFBS3 4UGBS3 4UHBS3 4UJBS3 4ULBS3 4UQ

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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