DN12 3 postcode sector in the DN12 district

DN12 3 is a sector of the DN12 district: every postcode that starts DN12 3. It has 176 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the DN12 3 sector, and which are new since 2020

Map of every postcode in the DN12 3 sector, by new since 2020 Of the 176 postcodes in the DN12 3 sector that ONS places, 2 are new since 2020 and 174 were in use before 2020. 2 postcodes lie beyond the edge and are listed under the map. Places named: Conisbrough, Denaby Main. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A630 DN12 3AA: before 2020DN12 3AB: before 2020DN12 3AD: before 2020DN12 3AE: before 2020DN12 3AF: before 2020DN12 3AG: before 2020DN12 3AH: before 2020DN12 3AJ: before 2020DN12 3AL: before 2020DN12 3AN: before 2020DN12 3AQ: before 2020DN12 3AT: before 2020DN12 3AU: before 2020DN12 3AW: before 2020DN12 3AX: before 2020DN12 3AY: before 2020DN12 3AZ: before 2020DN12 3BA: before 2020DN12 3BB: before 2020DN12 3BD: before 2020DN12 3BE: before 2020DN12 3BF: before 2020DN12 3BG: before 2020DN12 3BH: before 2020DN12 3BJ: before 2020DN12 3BL: before 2020DN12 3BN: before 2020DN12 3BP: before 2020DN12 3BQ: before 2020DN12 3BS: before 2020DN12 3BT: before 2020DN12 3BU: before 2020DN12 3BW: before 2020DN12 3BX: before 2020DN12 3BY: before 2020DN12 3BZ: before 2020DN12 3DA: before 2020DN12 3DB: before 2020DN12 3DD: before 2020DN12 3DE: before 2020DN12 3DF: before 2020DN12 3DG: before 2020DN12 3DH: before 2020DN12 3DJ: before 2020DN12 3DL: before 2020DN12 3DN: before 2020DN12 3DP: before 2020DN12 3DQ: before 2020DN12 3DR: before 2020DN12 3DS: before 2020DN12 3DT: before 2020DN12 3DU: before 2020DN12 3DW: before 2020DN12 3DX: before 2020DN12 3DY: before 2020DN12 3DZ: before 2020DN12 3EA: before 2020DN12 3EB: before 2020DN12 3ED: before 2020DN12 3EE: before 2020DN12 3EF: before 2020DN12 3EG: before 2020DN12 3EH: before 2020DN12 3EJ: before 2020DN12 3EL: before 2020DN12 3EN: before 2020DN12 3EP: before 2020DN12 3EQ: before 2020DN12 3ER: before 2020DN12 3ES: before 2020DN12 3ET: before 2020DN12 3EU: before 2020DN12 3EW: before 2020DN12 3FA: before 2020DN12 3FD: before 2020DN12 3GA: before 2020DN12 3GB: before 2020DN12 3GD: before 2020DN12 3GE: before 2020DN12 3GF: before 2020DN12 3GZ: before 2020DN12 3HA: before 2020DN12 3HB: before 2020DN12 3HD: before 2020DN12 3HE: before 2020DN12 3HF: before 2020DN12 3HG: before 2020DN12 3HH: before 2020DN12 3HJ: before 2020DN12 3HL: before 2020DN12 3HN: before 2020DN12 3HP: before 2020DN12 3HQ: before 2020DN12 3HR: before 2020DN12 3HS: before 2020DN12 3HT: before 2020DN12 3HU: before 2020DN12 3HW: before 2020DN12 3HX: before 2020DN12 3HY: before 2020DN12 3HZ: before 2020DN12 3JA: before 2020DN12 3JB: before 2020DN12 3JD: before 2020DN12 3JH: before 2020DN12 3JJ: before 2020DN12 3JL: before 2020DN12 3JN: before 2020DN12 3JP: before 2020DN12 3JR: before 2020DN12 3JS: before 2020DN12 3JT: before 2020DN12 3JU: before 2020DN12 3JX: before 2020DN12 3JY: before 2020DN12 3JZ: before 2020DN12 3LA: before 2020DN12 3LB: before 2020DN12 3LD: before 2020DN12 3LE: before 2020DN12 3LF: before 2020DN12 3LG: before 2020DN12 3LH: before 2020DN12 3LJ: before 2020DN12 3LQ: before 2020DN12 3LR: before 2020DN12 3LT: before 2020DN12 3LU: before 2020DN12 3LX: before 2020DN12 3LY: before 2020DN12 3LZ: before 2020DN12 3NA: before 2020DN12 3NB: before 2020DN12 3ND: before 2020DN12 3NE: before 2020DN12 3NH: before 2020DN12 3NJ: before 2020DN12 3NL: before 2020DN12 3NN: before 2020DN12 3NP: before 2020DN12 3NR: before 2020DN12 3NS: before 2020DN12 3NT: before 2020DN12 3NU: before 2020DN12 3NW: before 2020DN12 3NX: before 2020DN12 3NY: before 2020DN12 3PA: before 2020DN12 3PB: before 2020DN12 3PD: before 2020DN12 3PE: before 2020DN12 3PF: before 2020DN12 3PG: before 2020DN12 3PH: before 2020DN12 3PJ: before 2020DN12 3PL: before 2020DN12 3PN: before 2020DN12 3PP: before 2020DN12 3PQ: before 2020DN12 3PR: before 2020DN12 3PS: before 2020DN12 3PT: before 2020DN12 3PU: before 2020DN12 3PW: before 2020DN12 3PX: before 2020DN12 3PY: before 2020DN12 3PZ: before 2020DN12 3QA: before 2020DN12 3QD: before 2020DN12 3QF: before 2020DN12 3QL: before 2020DN12 3QN: before 2020DN12 3EX: new since 2020DN12 3JW: new since 2020 ConisbroughDenaby Main Map of every postcode in the DN12 3 sector, by new since 2020 Of the 176 postcodes in the DN12 3 sector that ONS places, 2 are new since 2020 and 174 were in use before 2020. 2 postcodes lie beyond the edge and are listed under the map. Places named: Conisbrough, Denaby Main. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. ConisbroughDenaby Main
  • New since 2020: 2
  • In use before 2020: 174

Of the 176 postcodes in the DN12 3 sector that ONS places, 2 are new since 2020 and 174 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 2 newest postcodes

DN12 3EXAugust 2025DN12 3JWSeptember 2024

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

DN12 3ARDN12 3QB

What do homes sell for in DN12 3?

Homes in DN12 3 sold for a typical £140,000 in the 12 months to August 2026, across 64 sales, no change on the 12 months before, HM Land Registry's figures show.

£140,000 typical price, the 12 months to August 2026
£140,000 12 months to August 2025
■ no change on the 12 months before
  • Detached £277,500 8 sales
  • Semi-detached £140,250 23 sales
  • Terraced £121,250 30 sales
  • Flat or maisonette 3 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 DN12 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 DN12 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.

DN12 3AADN12 3ABDN12 3ADDN12 3AEDN12 3AFDN12 3AGDN12 3AHDN12 3AJDN12 3ALDN12 3ANDN12 3AQDN12 3ARDN12 3ATDN12 3AUDN12 3AWDN12 3AXDN12 3AYDN12 3AZDN12 3BADN12 3BBDN12 3BDDN12 3BEDN12 3BFDN12 3BGDN12 3BHDN12 3BJDN12 3BLDN12 3BNDN12 3BPDN12 3BQDN12 3BSDN12 3BTDN12 3BUDN12 3BWDN12 3BXDN12 3BYDN12 3BZDN12 3DADN12 3DBDN12 3DDDN12 3DEDN12 3DFDN12 3DGDN12 3DHDN12 3DJDN12 3DLDN12 3DNDN12 3DPDN12 3DQDN12 3DRDN12 3DSDN12 3DTDN12 3DUDN12 3DWDN12 3DXDN12 3DYDN12 3DZDN12 3EADN12 3EBDN12 3EDDN12 3EEDN12 3EFDN12 3EGDN12 3EHDN12 3EJDN12 3ELDN12 3ENDN12 3EPDN12 3EQDN12 3ERDN12 3ESDN12 3ETDN12 3EUDN12 3EWDN12 3EXDN12 3FADN12 3FDDN12 3GADN12 3GBDN12 3GDDN12 3GEDN12 3GFDN12 3GZDN12 3HADN12 3HBDN12 3HDDN12 3HEDN12 3HFDN12 3HGDN12 3HHDN12 3HJDN12 3HLDN12 3HNDN12 3HPDN12 3HQDN12 3HRDN12 3HSDN12 3HTDN12 3HUDN12 3HWDN12 3HXDN12 3HYDN12 3HZDN12 3JADN12 3JBDN12 3JDDN12 3JHDN12 3JJDN12 3JLDN12 3JNDN12 3JPDN12 3JRDN12 3JSDN12 3JTDN12 3JUDN12 3JWDN12 3JXDN12 3JYDN12 3JZDN12 3LADN12 3LBDN12 3LDDN12 3LEDN12 3LFDN12 3LGDN12 3LHDN12 3LJDN12 3LQDN12 3LRDN12 3LTDN12 3LUDN12 3LXDN12 3LYDN12 3LZDN12 3NADN12 3NBDN12 3NDDN12 3NEDN12 3NHDN12 3NJDN12 3NLDN12 3NNDN12 3NPDN12 3NRDN12 3NSDN12 3NTDN12 3NUDN12 3NWDN12 3NXDN12 3NYDN12 3PADN12 3PBDN12 3PDDN12 3PEDN12 3PFDN12 3PGDN12 3PHDN12 3PJDN12 3PLDN12 3PNDN12 3PPDN12 3PQDN12 3PRDN12 3PSDN12 3PTDN12 3PUDN12 3PWDN12 3PXDN12 3PYDN12 3PZDN12 3QADN12 3QBDN12 3QDDN12 3QFDN12 3QLDN12 3QN

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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