DT4 9 postcode sector in the DT4 district

DT4 9 is a sector of the DT4 district: every postcode that starts DT4 9. It has 289 postcodes in use, 6 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 DT4 9 sector, by flood risk

Map of every postcode in the DT4 9 sector, by flood risk Of the 289 postcodes in the DT4 9 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 5 are at low risk at worst, 5 are at very low risk only and 267 are not on the Environment Agency's at-risk list. Places named: Weymouth, Chickerell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A354 DT4 9AA: not on the flood risk listDT4 9AB: not on the flood risk listDT4 9AD: not on the flood risk listDT4 9AE: not on the flood risk listDT4 9AG: not on the flood risk listDT4 9AH: not on the flood risk listDT4 9AJ: not on the flood risk listDT4 9AL: not on the flood risk listDT4 9AN: not on the flood risk listDT4 9AP: not on the flood risk listDT4 9AR: not on the flood risk listDT4 9AS: not on the flood risk listDT4 9AT: not on the flood risk listDT4 9AU: not on the flood risk listDT4 9AW: not on the flood risk listDT4 9AX: not on the flood risk listDT4 9AY: not on the flood risk listDT4 9AZ: not on the flood risk listDT4 9BA: not on the flood risk listDT4 9BB: not on the flood risk listDT4 9BD: not on the flood risk listDT4 9BE: not on the flood risk listDT4 9BG: not on the flood risk listDT4 9BH: not on the flood risk listDT4 9BJ: not on the flood risk listDT4 9BN: not on the flood risk listDT4 9BP: not on the flood risk listDT4 9BQ: not on the flood risk listDT4 9BS: not on the flood risk listDT4 9BT: not on the flood risk listDT4 9BU: not on the flood risk listDT4 9BX: not on the flood risk listDT4 9BY: not on the flood risk listDT4 9BZ: not on the flood risk listDT4 9DA: not on the flood risk listDT4 9DB: not on the flood risk listDT4 9DD: not on the flood risk listDT4 9DE: not on the flood risk listDT4 9DH: not on the flood risk listDT4 9DJ: not on the flood risk listDT4 9DL: not on the flood risk listDT4 9DP: not on the flood risk listDT4 9DQ: not on the flood risk listDT4 9DR: not on the flood risk listDT4 9DS: not on the flood risk listDT4 9DT: not on the flood risk listDT4 9DU: not on the flood risk listDT4 9DX: not on the flood risk listDT4 9DY: not on the flood risk listDT4 9DZ: not on the flood risk listDT4 9EA: not on the flood risk listDT4 9EB: not on the flood risk listDT4 9ED: not on the flood risk listDT4 9EE: not on the flood risk listDT4 9EF: not on the flood risk listDT4 9EG: not on the flood risk listDT4 9EH: not on the flood risk listDT4 9EJ: not on the flood risk listDT4 9EL: not on the flood risk listDT4 9EN: not on the flood risk listDT4 9EP: not on the flood risk listDT4 9EQ: not on the flood risk listDT4 9ER: not on the flood risk listDT4 9ES: not on the flood risk listDT4 9ET: not on the flood risk listDT4 9EW: not on the flood risk listDT4 9EX: not on the flood risk listDT4 9EY: not on the flood risk listDT4 9EZ: not on the flood risk listDT4 9GA: not on the flood risk listDT4 9GD: not on the flood risk listDT4 9GH: not on the flood risk listDT4 9GJ: not on the flood risk listDT4 9GL: not on the flood risk listDT4 9GN: not on the flood risk listDT4 9GP: not on the flood risk listDT4 9GX: not on the flood risk listDT4 9GY: not on the flood risk listDT4 9HB: not on the flood risk listDT4 9HD: not on the flood risk listDT4 9HE: not on the flood risk listDT4 9HF: not on the flood risk listDT4 9HG: not on the flood risk listDT4 9HH: not on the flood risk listDT4 9HJ: not on the flood risk listDT4 9HL: not on the flood risk listDT4 9HP: not on the flood risk listDT4 9HR: not on the flood risk listDT4 9HS: not on the flood risk listDT4 9HT: not on the flood risk listDT4 9HU: not on the flood risk listDT4 9HW: not on the flood risk listDT4 9HX: not on the flood risk listDT4 9HY: not on the flood risk listDT4 9HZ: not on the flood risk listDT4 9JA: not on the flood risk listDT4 9JD: not on the flood risk listDT4 9JE: not on the flood risk listDT4 9JF: not on the flood risk listDT4 9JG: not on the flood risk listDT4 9JH: not on the flood risk listDT4 9JJ: not on the flood risk listDT4 9JL: not on the flood risk listDT4 9JN: not on the flood risk listDT4 9JP: not on the flood risk listDT4 9JQ: not on the flood risk listDT4 9JR: not on the flood risk listDT4 9JT: not on the flood risk listDT4 9JU: not on the flood risk listDT4 9JW: not on the flood risk listDT4 9JX: not on the flood risk listDT4 9JY: not on the flood risk listDT4 9LA: not on the flood risk listDT4 9LB: not on the flood risk listDT4 9LD: not on the flood risk listDT4 9LE: not on the flood risk listDT4 9LF: not on the flood risk listDT4 9LG: not on the flood risk listDT4 9LH: not on the flood risk listDT4 9LJ: not on the flood risk listDT4 9LL: not on the flood risk listDT4 9LN: not on the flood risk listDT4 9LP: not on the flood risk listDT4 9LQ: not on the flood risk listDT4 9LR: not on the flood risk listDT4 9LS: not on the flood risk listDT4 9LT: not on the flood risk listDT4 9LU: not on the flood risk listDT4 9LW: not on the flood risk listDT4 9LX: not on the flood risk listDT4 9LY: not on the flood risk listDT4 9LZ: not on the flood risk listDT4 9NA: not on the flood risk listDT4 9NB: not on the flood risk listDT4 9NE: not on the flood risk listDT4 9NF: not on the flood risk listDT4 9NG: not on the flood risk listDT4 9NJ: not on the flood risk listDT4 9NL: not on the flood risk listDT4 9NN: not on the flood risk listDT4 9NP: not on the flood risk listDT4 9NQ: not on the flood risk listDT4 9NS: not on the flood risk listDT4 9NT: not on the flood risk listDT4 9NU: not on the flood risk listDT4 9NW: not on the flood risk listDT4 9NX: not on the flood risk listDT4 9NY: not on the flood risk listDT4 9NZ: not on the flood risk listDT4 9PA: not on the flood risk listDT4 9PB: not on the flood risk listDT4 9PD: not on the flood risk listDT4 9PE: not on the flood risk listDT4 9PF: not on the flood risk listDT4 9PG: not on the flood risk listDT4 9PH: not on the flood risk listDT4 9PJ: not on the flood risk listDT4 9PL: not on the flood risk listDT4 9PN: not on the flood risk listDT4 9PP: not on the flood risk listDT4 9PQ: not on the flood risk listDT4 9PS: not on the flood risk listDT4 9PU: not on the flood risk listDT4 9PW: not on the flood risk listDT4 9PX: not on the flood risk listDT4 9PY: not on the flood risk listDT4 9PZ: not on the flood risk listDT4 9QA: not on the flood risk listDT4 9QB: not on the flood risk listDT4 9QE: not on the flood risk listDT4 9QF: not on the flood risk listDT4 9QG: not on the flood risk listDT4 9QJ: not on the flood risk listDT4 9QN: not on the flood risk listDT4 9QP: not on the flood risk listDT4 9QQ: not on the flood risk listDT4 9QR: not on the flood risk listDT4 9QS: not on the flood risk listDT4 9QT: not on the flood risk listDT4 9QU: not on the flood risk listDT4 9QX: not on the flood risk listDT4 9QZ: not on the flood risk listDT4 9RA: not on the flood risk listDT4 9RB: not on the flood risk listDT4 9RD: not on the flood risk listDT4 9RE: not on the flood risk listDT4 9RF: not on the flood risk listDT4 9RG: not on the flood risk listDT4 9RH: not on the flood risk listDT4 9RJ: not on the flood risk listDT4 9RL: not on the flood risk listDT4 9RP: not on the flood risk listDT4 9RQ: not on the flood risk listDT4 9RR: not on the flood risk listDT4 9RS: not on the flood risk listDT4 9RW: not on the flood risk listDT4 9RZ: not on the flood risk listDT4 9SA: not on the flood risk listDT4 9SB: not on the flood risk listDT4 9SD: not on the flood risk listDT4 9SF: not on the flood risk listDT4 9SG: not on the flood risk listDT4 9SH: not on the flood risk listDT4 9SJ: not on the flood risk listDT4 9SL: not on the flood risk listDT4 9SN: not on the flood risk listDT4 9SP: not on the flood risk listDT4 9SQ: not on the flood risk listDT4 9SR: not on the flood risk listDT4 9ST: not on the flood risk listDT4 9SU: not on the flood risk listDT4 9SW: not on the flood risk listDT4 9SX: not on the flood risk listDT4 9SY: not on the flood risk listDT4 9TA: not on the flood risk listDT4 9TB: not on the flood risk listDT4 9TF: not on the flood risk listDT4 9TG: not on the flood risk listDT4 9TH: not on the flood risk listDT4 9TJ: not on the flood risk listDT4 9TL: not on the flood risk listDT4 9TN: not on the flood risk listDT4 9TP: not on the flood risk listDT4 9TR: not on the flood risk listDT4 9TT: not on the flood risk listDT4 9TU: not on the flood risk listDT4 9TW: not on the flood risk listDT4 9TX: not on the flood risk listDT4 9TY: not on the flood risk listDT4 9UA: not on the flood risk listDT4 9UB: not on the flood risk listDT4 9UD: not on the flood risk listDT4 9UE: not on the flood risk listDT4 9UF: not on the flood risk listDT4 9UG: not on the flood risk listDT4 9UH: not on the flood risk listDT4 9UQ: not on the flood risk listDT4 9UR: not on the flood risk listDT4 9UT: not on the flood risk listDT4 9UU: not on the flood risk listDT4 9UX: not on the flood risk listDT4 9UY: not on the flood risk listDT4 9UZ: not on the flood risk listDT4 9WN: not on the flood risk listDT4 9WW: not on the flood risk listDT4 9XB: not on the flood risk listDT4 9XD: not on the flood risk listDT4 9XF: not on the flood risk listDT4 9XG: not on the flood risk listDT4 9XJ: not on the flood risk listDT4 9XL: not on the flood risk listDT4 9XN: not on the flood risk listDT4 9XP: not on the flood risk listDT4 9XQ: not on the flood risk listDT4 9XR: not on the flood risk listDT4 9XT: not on the flood risk listDT4 9XU: not on the flood risk listDT4 9XW: not on the flood risk listDT4 9XY: not on the flood risk listDT4 9XZ: not on the flood risk listDT4 9AF: very low flood risk onlyDT4 9DN: very low flood risk onlyDT4 9GB: very low flood risk onlyDT4 9GE: very low flood risk onlyDT4 9YU: very low flood risk onlyDT4 9UL: low flood risk at worstDT4 9UP: low flood risk at worstDT4 9XE: low flood risk at worstDT4 9XS: low flood risk at worstDT4 9XX: low flood risk at worstDT4 9UJ: medium flood risk at worstDT4 9XH: medium flood risk at worstDT4 9JZ: high flood riskDT4 9NR: high flood riskDT4 9RN: high flood riskDT4 9RT: high flood riskDT4 9RU: high flood riskDT4 9RX: high flood riskDT4 9RY: high flood riskDT4 9SE: high flood riskDT4 9SS: high flood riskDT4 9UW: high flood risk WeymouthChickerell Map of every postcode in the DT4 9 sector, by flood risk Of the 289 postcodes in the DT4 9 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 5 are at low risk at worst, 5 are at very low risk only and 267 are not on the Environment Agency's at-risk list. Places named: Weymouth, Chickerell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. WeymouthChickerell
  • A home or business at high risk: 10
  • At medium risk at worst: 2
  • At low risk at worst: 5
  • At very low risk only: 5
  • Not on the at-risk list: 267

Of the 289 postcodes in the DT4 9 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 5 are at low risk at worst, 5 are at very low risk only and 267 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.

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.

DT4 9SS11 at high riskDT4 9UW11 at high riskDT4 9JZ3 at high riskDT4 9RT2 at high riskDT4 9RU2 at high riskDT4 9RY2 at high riskDT4 9NR1 at high riskDT4 9RN1 at high riskDT4 9RX1 at high riskDT4 9SE1 at high risk

What do homes sell for in DT4 9?

Homes in DT4 9 sold for a typical £280,000 in the 12 months to August 2026, across 151 sales, down 5.1% on the 12 months before, HM Land Registry's figures show.

£280,000 typical price, the 12 months to August 2026
£295,000 12 months to August 2025
▼ down 5.1% on the 12 months before
  • Detached £435,000 44 sales
  • Semi-detached £317,500 36 sales
  • Terraced £247,500 54 sales
  • Flat or maisonette £176,000 17 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 DT4 9. 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 DT4 9

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.

DT4 9AADT4 9ABDT4 9ADDT4 9AEDT4 9AFDT4 9AGDT4 9AHDT4 9AJDT4 9ALDT4 9ANDT4 9APDT4 9ARDT4 9ASDT4 9ATDT4 9AUDT4 9AWDT4 9AXDT4 9AYDT4 9AZDT4 9BADT4 9BBDT4 9BDDT4 9BEDT4 9BGDT4 9BHDT4 9BJDT4 9BLDT4 9BNDT4 9BPDT4 9BQDT4 9BSDT4 9BTDT4 9BUDT4 9BWDT4 9BXDT4 9BYDT4 9BZDT4 9DADT4 9DBDT4 9DDDT4 9DEDT4 9DHDT4 9DJDT4 9DLDT4 9DNDT4 9DPDT4 9DQDT4 9DRDT4 9DSDT4 9DTDT4 9DUDT4 9DXDT4 9DYDT4 9DZDT4 9EADT4 9EBDT4 9EDDT4 9EEDT4 9EFDT4 9EGDT4 9EHDT4 9EJDT4 9ELDT4 9ENDT4 9EPDT4 9EQDT4 9ERDT4 9ESDT4 9ETDT4 9EWDT4 9EXDT4 9EYDT4 9EZDT4 9GADT4 9GBDT4 9GDDT4 9GEDT4 9GHDT4 9GJDT4 9GLDT4 9GNDT4 9GPDT4 9GXDT4 9GYDT4 9HADT4 9HBDT4 9HDDT4 9HEDT4 9HFDT4 9HGDT4 9HHDT4 9HJDT4 9HLDT4 9HPDT4 9HRDT4 9HSDT4 9HTDT4 9HUDT4 9HWDT4 9HXDT4 9HYDT4 9HZDT4 9JADT4 9JBDT4 9JDDT4 9JEDT4 9JFDT4 9JGDT4 9JHDT4 9JJDT4 9JLDT4 9JNDT4 9JPDT4 9JQDT4 9JRDT4 9JTDT4 9JUDT4 9JWDT4 9JXDT4 9JYDT4 9JZDT4 9LADT4 9LBDT4 9LDDT4 9LEDT4 9LFDT4 9LGDT4 9LHDT4 9LJDT4 9LLDT4 9LNDT4 9LPDT4 9LQDT4 9LRDT4 9LSDT4 9LTDT4 9LUDT4 9LWDT4 9LXDT4 9LYDT4 9LZDT4 9NADT4 9NBDT4 9NEDT4 9NFDT4 9NGDT4 9NHDT4 9NJDT4 9NLDT4 9NNDT4 9NPDT4 9NQDT4 9NRDT4 9NSDT4 9NTDT4 9NUDT4 9NWDT4 9NXDT4 9NYDT4 9NZDT4 9PADT4 9PBDT4 9PDDT4 9PEDT4 9PFDT4 9PGDT4 9PHDT4 9PJDT4 9PLDT4 9PNDT4 9PPDT4 9PQDT4 9PSDT4 9PUDT4 9PWDT4 9PXDT4 9PYDT4 9PZDT4 9QADT4 9QBDT4 9QDDT4 9QEDT4 9QFDT4 9QGDT4 9QJDT4 9QNDT4 9QPDT4 9QQDT4 9QRDT4 9QSDT4 9QTDT4 9QUDT4 9QXDT4 9QZDT4 9RADT4 9RBDT4 9RDDT4 9REDT4 9RFDT4 9RGDT4 9RHDT4 9RJDT4 9RLDT4 9RNDT4 9RPDT4 9RQDT4 9RRDT4 9RSDT4 9RTDT4 9RUDT4 9RWDT4 9RXDT4 9RYDT4 9RZDT4 9SADT4 9SBDT4 9SDDT4 9SEDT4 9SFDT4 9SGDT4 9SHDT4 9SJDT4 9SLDT4 9SNDT4 9SPDT4 9SQDT4 9SRDT4 9SSDT4 9STDT4 9SUDT4 9SWDT4 9SXDT4 9SYDT4 9TADT4 9TBDT4 9TFDT4 9TGDT4 9THDT4 9TJDT4 9TLDT4 9TNDT4 9TPDT4 9TRDT4 9TTDT4 9TUDT4 9TWDT4 9TXDT4 9TYDT4 9TZDT4 9UADT4 9UBDT4 9UDDT4 9UEDT4 9UFDT4 9UGDT4 9UHDT4 9UJDT4 9ULDT4 9UPDT4 9UQDT4 9URDT4 9UTDT4 9UUDT4 9UWDT4 9UXDT4 9UYDT4 9UZDT4 9WNDT4 9WWDT4 9XBDT4 9XDDT4 9XEDT4 9XFDT4 9XGDT4 9XHDT4 9XJDT4 9XLDT4 9XNDT4 9XPDT4 9XQDT4 9XRDT4 9XSDT4 9XTDT4 9XUDT4 9XWDT4 9XXDT4 9XYDT4 9XZDT4 9YU

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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