BS48 4 postcode sector in the BS48 district

BS48 4 is a sector of the BS48 district: every postcode that starts BS48 4. It has 165 postcodes in use, 2 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 BS48 4 sector, by flood risk

Map of every postcode in the BS48 4 sector, by flood risk Of the 165 postcodes in the BS48 4 sector that ONS places, 1 are at medium risk at worst and 164 are not on the Environment Agency's at-risk list. Places named: Nailsea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A370 BS48 4AA: not on the flood risk listBS48 4AB: not on the flood risk listBS48 4AD: not on the flood risk listBS48 4AE: not on the flood risk listBS48 4AF: not on the flood risk listBS48 4AG: not on the flood risk listBS48 4AH: not on the flood risk listBS48 4AJ: not on the flood risk listBS48 4AL: not on the flood risk listBS48 4AP: not on the flood risk listBS48 4AQ: not on the flood risk listBS48 4AR: not on the flood risk listBS48 4AS: not on the flood risk listBS48 4AT: not on the flood risk listBS48 4AU: not on the flood risk listBS48 4AW: not on the flood risk listBS48 4AX: not on the flood risk listBS48 4AY: not on the flood risk listBS48 4AZ: not on the flood risk listBS48 4BA: not on the flood risk listBS48 4BB: not on the flood risk listBS48 4BE: not on the flood risk listBS48 4BF: not on the flood risk listBS48 4BG: not on the flood risk listBS48 4BH: not on the flood risk listBS48 4BJ: not on the flood risk listBS48 4BP: not on the flood risk listBS48 4BS: not on the flood risk listBS48 4BT: not on the flood risk listBS48 4BU: not on the flood risk listBS48 4BW: not on the flood risk listBS48 4BY: not on the flood risk listBS48 4DA: not on the flood risk listBS48 4DB: not on the flood risk listBS48 4DD: not on the flood risk listBS48 4DE: not on the flood risk listBS48 4DF: not on the flood risk listBS48 4DG: not on the flood risk listBS48 4DH: not on the flood risk listBS48 4DJ: not on the flood risk listBS48 4DL: not on the flood risk listBS48 4DQ: not on the flood risk listBS48 4DR: not on the flood risk listBS48 4DT: not on the flood risk listBS48 4EF: not on the flood risk listBS48 4EG: not on the flood risk listBS48 4EH: not on the flood risk listBS48 4FE: not on the flood risk listBS48 4FJ: not on the flood risk listBS48 4FN: not on the flood risk listBS48 4FP: not on the flood risk listBS48 4GA: not on the flood risk listBS48 4GB: not on the flood risk listBS48 4JF: not on the flood risk listBS48 4JS: not on the flood risk listBS48 4LD: not on the flood risk listBS48 4LS: not on the flood risk listBS48 4LT: not on the flood risk listBS48 4LU: not on the flood risk listBS48 4LX: not on the flood risk listBS48 4LY: not on the flood risk listBS48 4LZ: not on the flood risk listBS48 4NA: not on the flood risk listBS48 4NB: not on the flood risk listBS48 4ND: not on the flood risk listBS48 4NE: not on the flood risk listBS48 4NF: not on the flood risk listBS48 4NG: not on the flood risk listBS48 4NH: not on the flood risk listBS48 4NJ: not on the flood risk listBS48 4NL: not on the flood risk listBS48 4NN: not on the flood risk listBS48 4NP: not on the flood risk listBS48 4NQ: not on the flood risk listBS48 4NR: not on the flood risk listBS48 4NS: not on the flood risk listBS48 4NT: not on the flood risk listBS48 4NU: not on the flood risk listBS48 4NW: not on the flood risk listBS48 4NX: not on the flood risk listBS48 4NY: not on the flood risk listBS48 4NZ: not on the flood risk listBS48 4PA: not on the flood risk listBS48 4PB: not on the flood risk listBS48 4PD: not on the flood risk listBS48 4PE: not on the flood risk listBS48 4PG: not on the flood risk listBS48 4PH: not on the flood risk listBS48 4PJ: not on the flood risk listBS48 4PL: not on the flood risk listBS48 4PN: not on the flood risk listBS48 4PP: not on the flood risk listBS48 4PQ: not on the flood risk listBS48 4PR: not on the flood risk listBS48 4PS: not on the flood risk listBS48 4PT: not on the flood risk listBS48 4PU: not on the flood risk listBS48 4PX: not on the flood risk listBS48 4PY: not on the flood risk listBS48 4PZ: not on the flood risk listBS48 4QA: not on the flood risk listBS48 4QB: not on the flood risk listBS48 4QW: not on the flood risk listBS48 4RA: not on the flood risk listBS48 4RB: not on the flood risk listBS48 4RD: not on the flood risk listBS48 4RE: not on the flood risk listBS48 4RF: not on the flood risk listBS48 4RG: not on the flood risk listBS48 4RH: not on the flood risk listBS48 4RJ: not on the flood risk listBS48 4RL: not on the flood risk listBS48 4RN: not on the flood risk listBS48 4RP: not on the flood risk listBS48 4RQ: not on the flood risk listBS48 4RR: not on the flood risk listBS48 4RS: not on the flood risk listBS48 4RT: not on the flood risk listBS48 4RU: not on the flood risk listBS48 4RW: not on the flood risk listBS48 4RX: not on the flood risk listBS48 4RY: not on the flood risk listBS48 4RZ: not on the flood risk listBS48 4SA: not on the flood risk listBS48 4SB: not on the flood risk listBS48 4SE: not on the flood risk listBS48 4SF: not on the flood risk listBS48 4SG: not on the flood risk listBS48 4SU: not on the flood risk listBS48 4SX: not on the flood risk listBS48 4SY: not on the flood risk listBS48 4SZ: not on the flood risk listBS48 4TA: not on the flood risk listBS48 4TB: not on the flood risk listBS48 4TD: not on the flood risk listBS48 4TE: not on the flood risk listBS48 4TF: not on the flood risk listBS48 4TG: not on the flood risk listBS48 4TH: not on the flood risk listBS48 4TZ: not on the flood risk listBS48 4WY: not on the flood risk listBS48 4XN: not on the flood risk listBS48 4XP: not on the flood risk listBS48 4XR: not on the flood risk listBS48 4XS: not on the flood risk listBS48 4XU: not on the flood risk listBS48 4XW: not on the flood risk listBS48 4YA: not on the flood risk listBS48 4YB: not on the flood risk listBS48 4YD: not on the flood risk listBS48 4YE: not on the flood risk listBS48 4YF: not on the flood risk listBS48 4YH: not on the flood risk listBS48 4YJ: not on the flood risk listBS48 4YL: not on the flood risk listBS48 4YN: not on the flood risk listBS48 4YP: not on the flood risk listBS48 4YQ: not on the flood risk listBS48 4YR: not on the flood risk listBS48 4YS: not on the flood risk listBS48 4YT: not on the flood risk listBS48 4YU: not on the flood risk listBS48 4YW: not on the flood risk listBS48 4YZ: not on the flood risk listBS48 4BZ: medium flood risk at worst Nailsea Map of every postcode in the BS48 4 sector, by flood risk Of the 165 postcodes in the BS48 4 sector that ONS places, 1 are at medium risk at worst and 164 are not on the Environment Agency's at-risk list. Places named: Nailsea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A370 Nailsea
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 164

Of the 165 postcodes in the BS48 4 sector that ONS places, 1 are at medium risk at worst and 164 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.

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.

BS48 4BZ1 at medium risk

What do homes sell for in BS48 4?

Homes in BS48 4 sold for a typical £390,000 in the 12 months to August 2026, across 57 sales, down 4.9% on the 12 months before, HM Land Registry's figures show.

£390,000 typical price, the 12 months to August 2026
£410,000 12 months to August 2025
▼ down 4.9% on the 12 months before
  • Detached £512,500 25 sales
  • Semi-detached £372,000 19 sales
  • Terraced £330,000 11 sales
  • Flat or maisonette 2 sales, too few to price

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 BS48 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 BS48 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.

BS48 4AABS48 4ABBS48 4ADBS48 4AEBS48 4AFBS48 4AGBS48 4AHBS48 4AJBS48 4ALBS48 4APBS48 4AQBS48 4ARBS48 4ASBS48 4ATBS48 4AUBS48 4AWBS48 4AXBS48 4AYBS48 4AZBS48 4BABS48 4BBBS48 4BEBS48 4BFBS48 4BGBS48 4BHBS48 4BJBS48 4BPBS48 4BSBS48 4BTBS48 4BUBS48 4BWBS48 4BYBS48 4BZBS48 4DABS48 4DBBS48 4DDBS48 4DEBS48 4DFBS48 4DGBS48 4DHBS48 4DJBS48 4DLBS48 4DQBS48 4DRBS48 4DTBS48 4EFBS48 4EGBS48 4EHBS48 4FEBS48 4FJBS48 4FNBS48 4FPBS48 4GABS48 4GBBS48 4JFBS48 4JSBS48 4LDBS48 4LSBS48 4LTBS48 4LUBS48 4LXBS48 4LYBS48 4LZBS48 4NABS48 4NBBS48 4NDBS48 4NEBS48 4NFBS48 4NGBS48 4NHBS48 4NJBS48 4NLBS48 4NNBS48 4NPBS48 4NQBS48 4NRBS48 4NSBS48 4NTBS48 4NUBS48 4NWBS48 4NXBS48 4NYBS48 4NZBS48 4PABS48 4PBBS48 4PDBS48 4PEBS48 4PGBS48 4PHBS48 4PJBS48 4PLBS48 4PNBS48 4PPBS48 4PQBS48 4PRBS48 4PSBS48 4PTBS48 4PUBS48 4PXBS48 4PYBS48 4PZBS48 4QABS48 4QBBS48 4QWBS48 4RABS48 4RBBS48 4RDBS48 4REBS48 4RFBS48 4RGBS48 4RHBS48 4RJBS48 4RLBS48 4RNBS48 4RPBS48 4RQBS48 4RRBS48 4RSBS48 4RTBS48 4RUBS48 4RWBS48 4RXBS48 4RYBS48 4RZBS48 4SABS48 4SBBS48 4SEBS48 4SFBS48 4SGBS48 4SUBS48 4SXBS48 4SYBS48 4SZBS48 4TABS48 4TBBS48 4TDBS48 4TEBS48 4TFBS48 4TGBS48 4THBS48 4TZBS48 4WYBS48 4XNBS48 4XPBS48 4XRBS48 4XSBS48 4XUBS48 4XWBS48 4YABS48 4YBBS48 4YDBS48 4YEBS48 4YFBS48 4YHBS48 4YJBS48 4YLBS48 4YNBS48 4YPBS48 4YQBS48 4YRBS48 4YSBS48 4YTBS48 4YUBS48 4YWBS48 4YZ

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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