BS4 3 postcode sector in the BS4 district

BS4 3 is a sector of the BS4 district: every postcode that starts BS4 3. It has 193 postcodes in use, 8 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 BS4 3 sector, by flood risk

Map of every postcode in the BS4 3 sector, by flood risk Of the 193 postcodes in the BS4 3 sector that ONS places, 1 have a home or business at high risk, 4 are at medium risk at worst, 4 are at low risk at worst and 184 are not on the Environment Agency's at-risk list. Places named: Brislington West, Windmill Hill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A4320 BS4 3AA: not on the flood risk listBS4 3AF: not on the flood risk listBS4 3AG: not on the flood risk listBS4 3AH: not on the flood risk listBS4 3AJ: not on the flood risk listBS4 3AL: not on the flood risk listBS4 3AN: not on the flood risk listBS4 3AP: not on the flood risk listBS4 3AS: not on the flood risk listBS4 3AT: not on the flood risk listBS4 3AU: not on the flood risk listBS4 3AW: not on the flood risk listBS4 3AX: not on the flood risk listBS4 3AY: not on the flood risk listBS4 3BA: not on the flood risk listBS4 3BB: not on the flood risk listBS4 3BD: not on the flood risk listBS4 3BE: not on the flood risk listBS4 3BF: not on the flood risk listBS4 3BG: not on the flood risk listBS4 3BH: not on the flood risk listBS4 3BJ: not on the flood risk listBS4 3BL: not on the flood risk listBS4 3BN: not on the flood risk listBS4 3BP: not on the flood risk listBS4 3BQ: not on the flood risk listBS4 3BS: not on the flood risk listBS4 3BT: not on the flood risk listBS4 3BU: not on the flood risk listBS4 3BW: not on the flood risk listBS4 3BX: not on the flood risk listBS4 3BY: not on the flood risk listBS4 3BZ: not on the flood risk listBS4 3DA: not on the flood risk listBS4 3DB: not on the flood risk listBS4 3DD: not on the flood risk listBS4 3DE: not on the flood risk listBS4 3DF: not on the flood risk listBS4 3DG: not on the flood risk listBS4 3DH: not on the flood risk listBS4 3DJ: not on the flood risk listBS4 3DN: not on the flood risk listBS4 3DP: not on the flood risk listBS4 3DQ: not on the flood risk listBS4 3DR: not on the flood risk listBS4 3DS: not on the flood risk listBS4 3DU: not on the flood risk listBS4 3DW: not on the flood risk listBS4 3DY: not on the flood risk listBS4 3DZ: not on the flood risk listBS4 3EA: not on the flood risk listBS4 3ED: not on the flood risk listBS4 3EF: not on the flood risk listBS4 3EN: not on the flood risk listBS4 3EQ: not on the flood risk listBS4 3ES: not on the flood risk listBS4 3ET: not on the flood risk listBS4 3EU: not on the flood risk listBS4 3EW: not on the flood risk listBS4 3EX: not on the flood risk listBS4 3EY: not on the flood risk listBS4 3EZ: not on the flood risk listBS4 3HH: not on the flood risk listBS4 3HJ: not on the flood risk listBS4 3HL: not on the flood risk listBS4 3HN: not on the flood risk listBS4 3HP: not on the flood risk listBS4 3HQ: not on the flood risk listBS4 3HR: not on the flood risk listBS4 3HS: not on the flood risk listBS4 3HT: not on the flood risk listBS4 3HU: not on the flood risk listBS4 3HW: not on the flood risk listBS4 3HX: not on the flood risk listBS4 3HY: not on the flood risk listBS4 3HZ: not on the flood risk listBS4 3JA: not on the flood risk listBS4 3JB: not on the flood risk listBS4 3JD: not on the flood risk listBS4 3JE: not on the flood risk listBS4 3JF: not on the flood risk listBS4 3JG: not on the flood risk listBS4 3JH: not on the flood risk listBS4 3JN: not on the flood risk listBS4 3JQ: not on the flood risk listBS4 3JU: not on the flood risk listBS4 3JY: not on the flood risk listBS4 3JZ: not on the flood risk listBS4 3LA: not on the flood risk listBS4 3LB: not on the flood risk listBS4 3LE: not on the flood risk listBS4 3LF: not on the flood risk listBS4 3LG: not on the flood risk listBS4 3LJ: not on the flood risk listBS4 3LQ: not on the flood risk listBS4 3LR: not on the flood risk listBS4 3LS: not on the flood risk listBS4 3LT: not on the flood risk listBS4 3LU: not on the flood risk listBS4 3LX: not on the flood risk listBS4 3LY: not on the flood risk listBS4 3LZ: not on the flood risk listBS4 3NA: not on the flood risk listBS4 3NB: not on the flood risk listBS4 3ND: not on the flood risk listBS4 3NE: not on the flood risk listBS4 3NF: not on the flood risk listBS4 3NG: not on the flood risk listBS4 3NH: not on the flood risk listBS4 3NJ: not on the flood risk listBS4 3NL: not on the flood risk listBS4 3NP: not on the flood risk listBS4 3NQ: not on the flood risk listBS4 3NR: not on the flood risk listBS4 3NS: not on the flood risk listBS4 3NZ: not on the flood risk listBS4 3PA: not on the flood risk listBS4 3PB: not on the flood risk listBS4 3PD: not on the flood risk listBS4 3PE: not on the flood risk listBS4 3PF: not on the flood risk listBS4 3PG: not on the flood risk listBS4 3PH: not on the flood risk listBS4 3PJ: not on the flood risk listBS4 3PL: not on the flood risk listBS4 3PN: not on the flood risk listBS4 3PP: not on the flood risk listBS4 3PQ: not on the flood risk listBS4 3PR: not on the flood risk listBS4 3PS: not on the flood risk listBS4 3PT: not on the flood risk listBS4 3PU: not on the flood risk listBS4 3PW: not on the flood risk listBS4 3QA: not on the flood risk listBS4 3QB: not on the flood risk listBS4 3QE: not on the flood risk listBS4 3QJ: not on the flood risk listBS4 3QP: not on the flood risk listBS4 3QR: not on the flood risk listBS4 3QS: not on the flood risk listBS4 3QT: not on the flood risk listBS4 3QU: not on the flood risk listBS4 3QW: not on the flood risk listBS4 3QX: not on the flood risk listBS4 3QY: not on the flood risk listBS4 3QZ: not on the flood risk listBS4 3RA: not on the flood risk listBS4 3RB: not on the flood risk listBS4 3RD: not on the flood risk listBS4 3RE: not on the flood risk listBS4 3RF: not on the flood risk listBS4 3RL: not on the flood risk listBS4 3RN: not on the flood risk listBS4 3RP: not on the flood risk listBS4 3RR: not on the flood risk listBS4 3RS: not on the flood risk listBS4 3RT: not on the flood risk listBS4 3RU: not on the flood risk listBS4 3RW: not on the flood risk listBS4 3RX: not on the flood risk listBS4 3RY: not on the flood risk listBS4 3RZ: not on the flood risk listBS4 3SA: not on the flood risk listBS4 3SB: not on the flood risk listBS4 3SD: not on the flood risk listBS4 3SE: not on the flood risk listBS4 3SF: not on the flood risk listBS4 3SG: not on the flood risk listBS4 3SH: not on the flood risk listBS4 3SP: not on the flood risk listBS4 3SQ: not on the flood risk listBS4 3SR: not on the flood risk listBS4 3SS: not on the flood risk listBS4 3ST: not on the flood risk listBS4 3SU: not on the flood risk listBS4 3SW: not on the flood risk listBS4 3SX: not on the flood risk listBS4 3SY: not on the flood risk listBS4 3SZ: not on the flood risk listBS4 3TA: not on the flood risk listBS4 3TB: not on the flood risk listBS4 3AQ: low flood risk at worstBS4 3EJ: low flood risk at worstBS4 3QH: low flood risk at worstBS4 3QQ: low flood risk at worstBS4 3AR: medium flood risk at worstBS4 3DL: medium flood risk at worstBS4 3EH: medium flood risk at worstBS4 3ER: medium flood risk at worstBS4 3QF: high flood risk Brislington WestWindmill Hill Map of every postcode in the BS4 3 sector, by flood risk Of the 193 postcodes in the BS4 3 sector that ONS places, 1 have a home or business at high risk, 4 are at medium risk at worst, 4 are at low risk at worst and 184 are not on the Environment Agency's at-risk list. Places named: Brislington West, Windmill Hill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Brislington WestWindmill Hill
  • A home or business at high risk: 1
  • At medium risk at worst: 4
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 184

Of the 193 postcodes in the BS4 3 sector that ONS places, 1 have a home or business at high risk, 4 are at medium risk at worst, 4 are at low risk at worst and 184 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 high risk

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

BS4 3QF1 at high risk

What do homes sell for in BS4 3?

Homes in BS4 3 sold for a typical £375,250 in the 12 months to August 2026, across 150 sales, up 1.4% on the 12 months before, HM Land Registry's figures show.

£375,250 typical price, the 12 months to August 2026
£370,000 12 months to August 2025
▲ up 1.4% on the 12 months before
  • Detached 2 sales, too few to price
  • Semi-detached £434,650 10 sales
  • Terraced £400,000 100 sales
  • Flat or maisonette £210,000 38 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 BS4 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 BS4 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.

BS4 3AABS4 3AFBS4 3AGBS4 3AHBS4 3AJBS4 3ALBS4 3ANBS4 3APBS4 3AQBS4 3ARBS4 3ASBS4 3ATBS4 3AUBS4 3AWBS4 3AXBS4 3AYBS4 3AZBS4 3BABS4 3BBBS4 3BDBS4 3BEBS4 3BFBS4 3BGBS4 3BHBS4 3BJBS4 3BLBS4 3BNBS4 3BPBS4 3BQBS4 3BSBS4 3BTBS4 3BUBS4 3BWBS4 3BXBS4 3BYBS4 3BZBS4 3DABS4 3DBBS4 3DDBS4 3DEBS4 3DFBS4 3DGBS4 3DHBS4 3DJBS4 3DLBS4 3DNBS4 3DPBS4 3DQBS4 3DRBS4 3DSBS4 3DTBS4 3DUBS4 3DWBS4 3DYBS4 3DZBS4 3EABS4 3EDBS4 3EFBS4 3EHBS4 3EJBS4 3ENBS4 3EQBS4 3ERBS4 3ESBS4 3ETBS4 3EUBS4 3EWBS4 3EXBS4 3EYBS4 3EZBS4 3HGBS4 3HHBS4 3HJBS4 3HLBS4 3HNBS4 3HPBS4 3HQBS4 3HRBS4 3HSBS4 3HTBS4 3HUBS4 3HWBS4 3HXBS4 3HYBS4 3HZBS4 3JABS4 3JBBS4 3JDBS4 3JEBS4 3JFBS4 3JGBS4 3JHBS4 3JNBS4 3JQBS4 3JUBS4 3JYBS4 3JZBS4 3LABS4 3LBBS4 3LEBS4 3LFBS4 3LGBS4 3LJBS4 3LQBS4 3LRBS4 3LSBS4 3LTBS4 3LUBS4 3LXBS4 3LYBS4 3LZBS4 3NABS4 3NBBS4 3NDBS4 3NEBS4 3NFBS4 3NGBS4 3NHBS4 3NJBS4 3NLBS4 3NPBS4 3NQBS4 3NRBS4 3NSBS4 3NZBS4 3PABS4 3PBBS4 3PDBS4 3PEBS4 3PFBS4 3PGBS4 3PHBS4 3PJBS4 3PLBS4 3PNBS4 3PPBS4 3PQBS4 3PRBS4 3PSBS4 3PTBS4 3PUBS4 3PWBS4 3QABS4 3QBBS4 3QEBS4 3QFBS4 3QHBS4 3QJBS4 3QPBS4 3QQBS4 3QRBS4 3QSBS4 3QTBS4 3QUBS4 3QWBS4 3QXBS4 3QYBS4 3QZBS4 3RABS4 3RBBS4 3RDBS4 3REBS4 3RFBS4 3RLBS4 3RNBS4 3RPBS4 3RRBS4 3RSBS4 3RTBS4 3RUBS4 3RWBS4 3RXBS4 3RYBS4 3RZBS4 3SABS4 3SBBS4 3SDBS4 3SEBS4 3SFBS4 3SGBS4 3SHBS4 3SPBS4 3SQBS4 3SRBS4 3SSBS4 3STBS4 3SUBS4 3SWBS4 3SXBS4 3SYBS4 3SZBS4 3TABS4 3TB

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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