DT1 3 postcode sector in the DT1 district

DT1 3 is a sector of the DT1 district: every postcode that starts DT1 3. It has 231 postcodes in use, one of them a large-user postcode. 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 DT1 3 sector, by flood risk

Map of every postcode in the DT1 3 sector, by flood risk Of the 231 postcodes in the DT1 3 sector that ONS places, 231 are not on the Environment Agency's at-risk list. Places named: Dorchester Poundbury. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A37A35 DT1 3AA: not on the flood risk listDT1 3AB: not on the flood risk listDT1 3AD: not on the flood risk listDT1 3AE: not on the flood risk listDT1 3AF: not on the flood risk listDT1 3AG: not on the flood risk listDT1 3AH: not on the flood risk listDT1 3AJ: not on the flood risk listDT1 3AL: not on the flood risk listDT1 3AN: not on the flood risk listDT1 3AP: not on the flood risk listDT1 3AQ: not on the flood risk listDT1 3AR: not on the flood risk listDT1 3AS: not on the flood risk listDT1 3AT: not on the flood risk listDT1 3AU: not on the flood risk listDT1 3AW: not on the flood risk listDT1 3AX: not on the flood risk listDT1 3AY: not on the flood risk listDT1 3AZ: not on the flood risk listDT1 3BB: not on the flood risk listDT1 3BD: not on the flood risk listDT1 3BE: not on the flood risk listDT1 3BG: not on the flood risk listDT1 3BH: not on the flood risk listDT1 3BJ: not on the flood risk listDT1 3BL: not on the flood risk listDT1 3BN: not on the flood risk listDT1 3BP: not on the flood risk listDT1 3BQ: not on the flood risk listDT1 3BS: not on the flood risk listDT1 3BT: not on the flood risk listDT1 3BU: not on the flood risk listDT1 3BW: not on the flood risk listDT1 3BX: not on the flood risk listDT1 3BY: not on the flood risk listDT1 3DA: not on the flood risk listDT1 3DB: not on the flood risk listDT1 3DD: not on the flood risk listDT1 3DE: not on the flood risk listDT1 3DF: not on the flood risk listDT1 3DG: not on the flood risk listDT1 3DH: not on the flood risk listDT1 3DJ: not on the flood risk listDT1 3DL: not on the flood risk listDT1 3DN: not on the flood risk listDT1 3DP: not on the flood risk listDT1 3DQ: not on the flood risk listDT1 3DR: not on the flood risk listDT1 3DS: not on the flood risk listDT1 3DT: not on the flood risk listDT1 3DU: not on the flood risk listDT1 3DW: not on the flood risk listDT1 3DX: not on the flood risk listDT1 3DY: not on the flood risk listDT1 3DZ: not on the flood risk listDT1 3EA: not on the flood risk listDT1 3EB: not on the flood risk listDT1 3ED: not on the flood risk listDT1 3EE: not on the flood risk listDT1 3EF: not on the flood risk listDT1 3EG: not on the flood risk listDT1 3EH: not on the flood risk listDT1 3EJ: not on the flood risk listDT1 3EL: not on the flood risk listDT1 3EN: not on the flood risk listDT1 3EP: not on the flood risk listDT1 3EQ: not on the flood risk listDT1 3ER: not on the flood risk listDT1 3ES: not on the flood risk listDT1 3ET: not on the flood risk listDT1 3EU: not on the flood risk listDT1 3EW: not on the flood risk listDT1 3EX: not on the flood risk listDT1 3EY: not on the flood risk listDT1 3EZ: not on the flood risk listDT1 3FA: not on the flood risk listDT1 3FB: not on the flood risk listDT1 3FD: not on the flood risk listDT1 3FE: not on the flood risk listDT1 3FF: not on the flood risk listDT1 3FG: not on the flood risk listDT1 3FH: not on the flood risk listDT1 3FL: not on the flood risk listDT1 3FN: not on the flood risk listDT1 3FP: not on the flood risk listDT1 3FQ: not on the flood risk listDT1 3FR: not on the flood risk listDT1 3FS: not on the flood risk listDT1 3FT: not on the flood risk listDT1 3FU: not on the flood risk listDT1 3FW: not on the flood risk listDT1 3FX: not on the flood risk listDT1 3FY: not on the flood risk listDT1 3FZ: not on the flood risk listDT1 3GA: not on the flood risk listDT1 3GB: not on the flood risk listDT1 3GD: not on the flood risk listDT1 3GE: not on the flood risk listDT1 3GF: not on the flood risk listDT1 3GG: not on the flood risk listDT1 3GH: not on the flood risk listDT1 3GJ: not on the flood risk listDT1 3GL: not on the flood risk listDT1 3GN: not on the flood risk listDT1 3GP: not on the flood risk listDT1 3GQ: not on the flood risk listDT1 3GR: not on the flood risk listDT1 3GS: not on the flood risk listDT1 3GT: not on the flood risk listDT1 3GU: not on the flood risk listDT1 3GW: not on the flood risk listDT1 3GX: not on the flood risk listDT1 3GY: not on the flood risk listDT1 3GZ: not on the flood risk listDT1 3HA: not on the flood risk listDT1 3HB: not on the flood risk listDT1 3HD: not on the flood risk listDT1 3HE: not on the flood risk listDT1 3HF: not on the flood risk listDT1 3HG: not on the flood risk listDT1 3HH: not on the flood risk listDT1 3HJ: not on the flood risk listDT1 3HL: not on the flood risk listDT1 3HN: not on the flood risk listDT1 3HP: not on the flood risk listDT1 3HQ: not on the flood risk listDT1 3HR: not on the flood risk listDT1 3HS: not on the flood risk listDT1 3HT: not on the flood risk listDT1 3HU: not on the flood risk listDT1 3HW: not on the flood risk listDT1 3HY: not on the flood risk listDT1 3HZ: not on the flood risk listDT1 3JA: not on the flood risk listDT1 3JB: not on the flood risk listDT1 3JD: not on the flood risk listDT1 3JE: not on the flood risk listDT1 3JG: not on the flood risk listDT1 3JH: not on the flood risk listDT1 3JJ: not on the flood risk listDT1 3JL: not on the flood risk listDT1 3JR: not on the flood risk listDT1 3JS: not on the flood risk listDT1 3JT: not on the flood risk listDT1 3JU: not on the flood risk listDT1 3JW: not on the flood risk listDT1 3JZ: not on the flood risk listDT1 3LE: not on the flood risk listDT1 3LG: not on the flood risk listDT1 3LJ: not on the flood risk listDT1 3LL: not on the flood risk listDT1 3LN: not on the flood risk listDT1 3LP: not on the flood risk listDT1 3LQ: not on the flood risk listDT1 3QY: not on the flood risk listDT1 3RA: not on the flood risk listDT1 3RB: not on the flood risk listDT1 3RD: not on the flood risk listDT1 3RE: not on the flood risk listDT1 3RF: not on the flood risk listDT1 3RG: not on the flood risk listDT1 3RH: not on the flood risk listDT1 3RJ: not on the flood risk listDT1 3RL: not on the flood risk listDT1 3RN: not on the flood risk listDT1 3RP: not on the flood risk listDT1 3RQ: not on the flood risk listDT1 3RR: not on the flood risk listDT1 3RS: not on the flood risk listDT1 3RT: not on the flood risk listDT1 3RW: not on the flood risk listDT1 3RX: not on the flood risk listDT1 3RY: not on the flood risk listDT1 3RZ: not on the flood risk listDT1 3SA: not on the flood risk listDT1 3SB: not on the flood risk listDT1 3SD: not on the flood risk listDT1 3SE: not on the flood risk listDT1 3SF: not on the flood risk listDT1 3SG: not on the flood risk listDT1 3SH: not on the flood risk listDT1 3SJ: not on the flood risk listDT1 3SL: not on the flood risk listDT1 3SN: not on the flood risk listDT1 3SP: not on the flood risk listDT1 3SQ: not on the flood risk listDT1 3SR: not on the flood risk listDT1 3SS: not on the flood risk listDT1 3ST: not on the flood risk listDT1 3SU: not on the flood risk listDT1 3SW: not on the flood risk listDT1 3SX: not on the flood risk listDT1 3TA: not on the flood risk listDT1 3TB: not on the flood risk listDT1 3TD: not on the flood risk listDT1 3TE: not on the flood risk listDT1 3TF: not on the flood risk listDT1 3TG: not on the flood risk listDT1 3TH: not on the flood risk listDT1 3TJ: not on the flood risk listDT1 3TL: not on the flood risk listDT1 3TN: not on the flood risk listDT1 3TP: not on the flood risk listDT1 3TQ: not on the flood risk listDT1 3TR: not on the flood risk listDT1 3TS: not on the flood risk listDT1 3TT: not on the flood risk listDT1 3TW: not on the flood risk listDT1 3UX: not on the flood risk listDT1 3UZ: not on the flood risk listDT1 3WA: not on the flood risk listDT1 3WB: not on the flood risk listDT1 3WE: not on the flood risk listDT1 3WF: not on the flood risk listDT1 3WG: not on the flood risk listDT1 3WH: not on the flood risk listDT1 3WJ: not on the flood risk listDT1 3WL: not on the flood risk listDT1 3WN: not on the flood risk listDT1 3WP: not on the flood risk listDT1 3WQ: not on the flood risk listDT1 3WR: not on the flood risk listDT1 3WS: not on the flood risk listDT1 3WT: not on the flood risk listDT1 3WU: not on the flood risk listDT1 3WW: not on the flood risk listDT1 3WX: not on the flood risk listDT1 3WY: not on the flood risk list Dorchester Poundbury Map of every postcode in the DT1 3 sector, by flood risk Of the 231 postcodes in the DT1 3 sector that ONS places, 231 are not on the Environment Agency's at-risk list. Places named: Dorchester Poundbury. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A35A37 Dorchester Poundbury
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 231

Of the 231 postcodes in the DT1 3 sector that ONS places, 231 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Environment Agency flood risk, published 6 July 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

What do homes sell for in DT1 3?

Homes in DT1 3 sold for a typical £421,875 in the 12 months to September 2026, across 90 sales, HM Land Registry's figures show. The 12 months before gave £415,000 from 149 sales: not a change larger than chance would explain, given which homes happened to sell.

£421,875 typical price, the 12 months to September 2026
£415,000 12 months to September 2025
  • Detached £627,500 13 sales
  • Semi-detached £500,000 9 sales
  • Terraced £500,000 29 sales
  • Flat or maisonette £220,000 39 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 DT1 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 October 2026.

Postcodes in DT1 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.

DT1 3AADT1 3ABDT1 3ADDT1 3AEDT1 3AFDT1 3AGDT1 3AHDT1 3AJDT1 3ALDT1 3ANDT1 3APDT1 3AQDT1 3ARDT1 3ASDT1 3ATDT1 3AUDT1 3AWDT1 3AXDT1 3AYDT1 3AZDT1 3BBDT1 3BDDT1 3BEDT1 3BGDT1 3BHDT1 3BJDT1 3BLDT1 3BNDT1 3BPDT1 3BQDT1 3BSDT1 3BTDT1 3BUDT1 3BWDT1 3BXDT1 3BYDT1 3DADT1 3DBDT1 3DDDT1 3DEDT1 3DFDT1 3DGDT1 3DHDT1 3DJDT1 3DLDT1 3DNDT1 3DPDT1 3DQDT1 3DRDT1 3DSDT1 3DTDT1 3DUDT1 3DWDT1 3DXDT1 3DYDT1 3DZDT1 3EADT1 3EBDT1 3EDDT1 3EEDT1 3EFDT1 3EGDT1 3EHDT1 3EJDT1 3ELDT1 3ENDT1 3EPDT1 3EQDT1 3ERDT1 3ESDT1 3ETDT1 3EUDT1 3EWDT1 3EXDT1 3EYDT1 3EZDT1 3FADT1 3FBDT1 3FDDT1 3FEDT1 3FFDT1 3FGDT1 3FHDT1 3FLDT1 3FNDT1 3FPDT1 3FQDT1 3FRDT1 3FSDT1 3FTDT1 3FUDT1 3FWDT1 3FXDT1 3FYDT1 3FZDT1 3GADT1 3GBDT1 3GDDT1 3GEDT1 3GFDT1 3GGDT1 3GHDT1 3GJDT1 3GLDT1 3GNDT1 3GPDT1 3GQDT1 3GRDT1 3GSDT1 3GTDT1 3GUDT1 3GWDT1 3GXDT1 3GYDT1 3GZDT1 3HADT1 3HBDT1 3HDDT1 3HEDT1 3HFDT1 3HGDT1 3HHDT1 3HJDT1 3HLDT1 3HNDT1 3HPDT1 3HQDT1 3HRDT1 3HSDT1 3HTDT1 3HUDT1 3HWDT1 3HYDT1 3HZDT1 3JADT1 3JBDT1 3JDDT1 3JEDT1 3JGDT1 3JHDT1 3JJDT1 3JLDT1 3JNDT1 3JRDT1 3JSDT1 3JTDT1 3JUDT1 3JWDT1 3JZDT1 3LEDT1 3LGDT1 3LJDT1 3LLDT1 3LNDT1 3LPDT1 3LQDT1 3QYDT1 3RADT1 3RBDT1 3RDDT1 3REDT1 3RFDT1 3RGDT1 3RHDT1 3RJDT1 3RLDT1 3RNDT1 3RPDT1 3RQDT1 3RRDT1 3RSDT1 3RTDT1 3RWDT1 3RXDT1 3RYDT1 3RZDT1 3SADT1 3SBDT1 3SDDT1 3SEDT1 3SFDT1 3SGDT1 3SHDT1 3SJDT1 3SLDT1 3SNDT1 3SPDT1 3SQDT1 3SRDT1 3SSDT1 3STDT1 3SUDT1 3SWDT1 3SXDT1 3TADT1 3TBDT1 3TDDT1 3TEDT1 3TFDT1 3TGDT1 3THDT1 3TJDT1 3TLDT1 3TNDT1 3TPDT1 3TQDT1 3TRDT1 3TSDT1 3TTDT1 3TWDT1 3UXDT1 3UZDT1 3WADT1 3WBDT1 3WDDT1 3WEDT1 3WFDT1 3WGDT1 3WHDT1 3WJDT1 3WLDT1 3WNDT1 3WPDT1 3WQDT1 3WRDT1 3WSDT1 3WTDT1 3WUDT1 3WWDT1 3WXDT1 3WY

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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