OL4 1 postcode sector in the OL4 district

OL4 1 is a sector of the OL4 district: every postcode that starts OL4 1. It has 200 postcodes in use, 4 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 OL4 1 sector, by flood risk

Map of every postcode in the OL4 1 sector, by flood risk Of the 200 postcodes in the OL4 1 sector that ONS places, 5 are at low risk at worst and 195 are not on the Environment Agency's at-risk list. Places named: Oldham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A62 OL4 1AA: not on the flood risk listOL4 1AB: not on the flood risk listOL4 1AE: not on the flood risk listOL4 1AF: not on the flood risk listOL4 1AG: not on the flood risk listOL4 1AH: not on the flood risk listOL4 1AJ: not on the flood risk listOL4 1AL: not on the flood risk listOL4 1AN: not on the flood risk listOL4 1AQ: not on the flood risk listOL4 1AR: not on the flood risk listOL4 1AS: not on the flood risk listOL4 1AT: not on the flood risk listOL4 1AX: not on the flood risk listOL4 1BA: not on the flood risk listOL4 1BB: not on the flood risk listOL4 1BD: not on the flood risk listOL4 1BE: not on the flood risk listOL4 1BH: not on the flood risk listOL4 1BJ: not on the flood risk listOL4 1BL: not on the flood risk listOL4 1BN: not on the flood risk listOL4 1BP: not on the flood risk listOL4 1BS: not on the flood risk listOL4 1BT: not on the flood risk listOL4 1BU: not on the flood risk listOL4 1BW: not on the flood risk listOL4 1BX: not on the flood risk listOL4 1BY: not on the flood risk listOL4 1BZ: not on the flood risk listOL4 1DA: not on the flood risk listOL4 1DB: not on the flood risk listOL4 1DD: not on the flood risk listOL4 1DE: not on the flood risk listOL4 1DF: not on the flood risk listOL4 1DG: not on the flood risk listOL4 1DH: not on the flood risk listOL4 1DL: not on the flood risk listOL4 1DN: not on the flood risk listOL4 1DP: not on the flood risk listOL4 1DR: not on the flood risk listOL4 1DS: not on the flood risk listOL4 1DT: not on the flood risk listOL4 1DU: not on the flood risk listOL4 1DW: not on the flood risk listOL4 1DX: not on the flood risk listOL4 1DY: not on the flood risk listOL4 1DZ: not on the flood risk listOL4 1EA: not on the flood risk listOL4 1ED: not on the flood risk listOL4 1EE: not on the flood risk listOL4 1EG: not on the flood risk listOL4 1EJ: not on the flood risk listOL4 1EL: not on the flood risk listOL4 1EN: not on the flood risk listOL4 1EP: not on the flood risk listOL4 1ER: not on the flood risk listOL4 1ES: not on the flood risk listOL4 1ET: not on the flood risk listOL4 1EU: not on the flood risk listOL4 1EW: not on the flood risk listOL4 1EX: not on the flood risk listOL4 1EY: not on the flood risk listOL4 1EZ: not on the flood risk listOL4 1FN: not on the flood risk listOL4 1GL: not on the flood risk listOL4 1HA: not on the flood risk listOL4 1HB: not on the flood risk listOL4 1HD: not on the flood risk listOL4 1HE: not on the flood risk listOL4 1HG: not on the flood risk listOL4 1HH: not on the flood risk listOL4 1HP: not on the flood risk listOL4 1HQ: not on the flood risk listOL4 1HR: not on the flood risk listOL4 1HS: not on the flood risk listOL4 1HT: not on the flood risk listOL4 1HU: not on the flood risk listOL4 1HW: not on the flood risk listOL4 1HX: not on the flood risk listOL4 1HY: not on the flood risk listOL4 1JA: not on the flood risk listOL4 1JB: not on the flood risk listOL4 1JD: not on the flood risk listOL4 1JE: not on the flood risk listOL4 1JF: not on the flood risk listOL4 1JG: not on the flood risk listOL4 1JH: not on the flood risk listOL4 1JJ: not on the flood risk listOL4 1JN: not on the flood risk listOL4 1JP: not on the flood risk listOL4 1JR: not on the flood risk listOL4 1JS: not on the flood risk listOL4 1JT: not on the flood risk listOL4 1JW: not on the flood risk listOL4 1JY: not on the flood risk listOL4 1JZ: not on the flood risk listOL4 1LA: not on the flood risk listOL4 1LE: not on the flood risk listOL4 1LG: not on the flood risk listOL4 1LH: not on the flood risk listOL4 1LJ: not on the flood risk listOL4 1LL: not on the flood risk listOL4 1LN: not on the flood risk listOL4 1LP: not on the flood risk listOL4 1LQ: not on the flood risk listOL4 1LR: not on the flood risk listOL4 1LS: not on the flood risk listOL4 1LU: not on the flood risk listOL4 1LW: not on the flood risk listOL4 1LX: not on the flood risk listOL4 1LY: not on the flood risk listOL4 1LZ: not on the flood risk listOL4 1NA: not on the flood risk listOL4 1NB: not on the flood risk listOL4 1ND: not on the flood risk listOL4 1NE: not on the flood risk listOL4 1NF: not on the flood risk listOL4 1NG: not on the flood risk listOL4 1NH: not on the flood risk listOL4 1NJ: not on the flood risk listOL4 1NL: not on the flood risk listOL4 1NN: not on the flood risk listOL4 1NP: not on the flood risk listOL4 1NQ: not on the flood risk listOL4 1NR: not on the flood risk listOL4 1NS: not on the flood risk listOL4 1NU: not on the flood risk listOL4 1NW: not on the flood risk listOL4 1NX: not on the flood risk listOL4 1NY: not on the flood risk listOL4 1NZ: not on the flood risk listOL4 1PA: not on the flood risk listOL4 1PB: not on the flood risk listOL4 1PH: not on the flood risk listOL4 1PJ: not on the flood risk listOL4 1PL: not on the flood risk listOL4 1PN: not on the flood risk listOL4 1PP: not on the flood risk listOL4 1PQ: not on the flood risk listOL4 1PR: not on the flood risk listOL4 1PS: not on the flood risk listOL4 1PT: not on the flood risk listOL4 1PU: not on the flood risk listOL4 1PW: not on the flood risk listOL4 1PX: not on the flood risk listOL4 1QA: not on the flood risk listOL4 1QB: not on the flood risk listOL4 1QD: not on the flood risk listOL4 1QE: not on the flood risk listOL4 1QF: not on the flood risk listOL4 1QG: not on the flood risk listOL4 1QH: not on the flood risk listOL4 1QJ: not on the flood risk listOL4 1QL: not on the flood risk listOL4 1QN: not on the flood risk listOL4 1QP: not on the flood risk listOL4 1QQ: not on the flood risk listOL4 1QR: not on the flood risk listOL4 1QS: not on the flood risk listOL4 1QT: not on the flood risk listOL4 1QW: not on the flood risk listOL4 1QY: not on the flood risk listOL4 1RA: not on the flood risk listOL4 1RD: not on the flood risk listOL4 1RE: not on the flood risk listOL4 1RF: not on the flood risk listOL4 1RG: not on the flood risk listOL4 1RH: not on the flood risk listOL4 1RJ: not on the flood risk listOL4 1RP: not on the flood risk listOL4 1RQ: not on the flood risk listOL4 1RS: not on the flood risk listOL4 1RT: not on the flood risk listOL4 1RW: not on the flood risk listOL4 1RX: not on the flood risk listOL4 1RY: not on the flood risk listOL4 1RZ: not on the flood risk listOL4 1SA: not on the flood risk listOL4 1SB: not on the flood risk listOL4 1SE: not on the flood risk listOL4 1SF: not on the flood risk listOL4 1SL: not on the flood risk listOL4 1SQ: not on the flood risk listOL4 1TD: not on the flood risk listOL4 1XF: not on the flood risk listOL4 1XG: not on the flood risk listOL4 1XH: not on the flood risk listOL4 1XL: not on the flood risk listOL4 1XQ: not on the flood risk listOL4 1YN: not on the flood risk listOL4 1YS: not on the flood risk listOL4 1YT: not on the flood risk listOL4 1YU: not on the flood risk listOL4 1EQ: low flood risk at worstOL4 1RL: low flood risk at worstOL4 1RR: low flood risk at worstOL4 1SG: low flood risk at worstOL4 1SH: low flood risk at worst Oldham Map of every postcode in the OL4 1 sector, by flood risk Of the 200 postcodes in the OL4 1 sector that ONS places, 5 are at low risk at worst and 195 are not on the Environment Agency's at-risk list. Places named: Oldham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Oldham
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 5
  • At very low risk only: 0
  • Not on the at-risk list: 195

Of the 200 postcodes in the OL4 1 sector that ONS places, 5 are at low risk at worst and 195 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.

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 OL4 1?

Homes in OL4 1 sold for a typical £134,250 in the 12 months to September 2026, across 28 sales, HM Land Registry's figures show. The 12 months before gave £135,000 from 32 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£134,250 typical price, the 12 months to September 2026
£135,000 12 months to September 2025
  • Detached 1 sale, too few to price
  • Semi-detached 1 sale, too few to price
  • Terraced £127,500 26 sales

Standard sales of homes at market value at the postcodes that start OL4 1. 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 OL4 1

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.

OL4 1AAOL4 1ABOL4 1AEOL4 1AFOL4 1AGOL4 1AHOL4 1AJOL4 1ALOL4 1ANOL4 1AQOL4 1AROL4 1ASOL4 1ATOL4 1AXOL4 1BAOL4 1BBOL4 1BDOL4 1BEOL4 1BHOL4 1BJOL4 1BLOL4 1BNOL4 1BPOL4 1BSOL4 1BTOL4 1BUOL4 1BWOL4 1BXOL4 1BYOL4 1BZOL4 1DAOL4 1DBOL4 1DDOL4 1DEOL4 1DFOL4 1DGOL4 1DHOL4 1DLOL4 1DNOL4 1DPOL4 1DROL4 1DSOL4 1DTOL4 1DUOL4 1DWOL4 1DXOL4 1DYOL4 1DZOL4 1EAOL4 1EBOL4 1EDOL4 1EEOL4 1EGOL4 1EJOL4 1ELOL4 1ENOL4 1EPOL4 1EQOL4 1EROL4 1ESOL4 1ETOL4 1EUOL4 1EWOL4 1EXOL4 1EYOL4 1EZOL4 1FNOL4 1GLOL4 1HAOL4 1HBOL4 1HDOL4 1HEOL4 1HGOL4 1HHOL4 1HPOL4 1HQOL4 1HROL4 1HSOL4 1HTOL4 1HUOL4 1HWOL4 1HXOL4 1HYOL4 1JAOL4 1JBOL4 1JDOL4 1JEOL4 1JFOL4 1JGOL4 1JHOL4 1JJOL4 1JNOL4 1JPOL4 1JROL4 1JSOL4 1JTOL4 1JWOL4 1JYOL4 1JZOL4 1LAOL4 1LEOL4 1LGOL4 1LHOL4 1LJOL4 1LLOL4 1LNOL4 1LPOL4 1LQOL4 1LROL4 1LSOL4 1LUOL4 1LWOL4 1LXOL4 1LYOL4 1LZOL4 1NAOL4 1NBOL4 1NDOL4 1NEOL4 1NFOL4 1NGOL4 1NHOL4 1NJOL4 1NLOL4 1NNOL4 1NPOL4 1NQOL4 1NROL4 1NSOL4 1NUOL4 1NWOL4 1NXOL4 1NYOL4 1NZOL4 1PAOL4 1PBOL4 1PHOL4 1PJOL4 1PLOL4 1PNOL4 1PPOL4 1PQOL4 1PROL4 1PSOL4 1PTOL4 1PUOL4 1PWOL4 1PXOL4 1QAOL4 1QBOL4 1QDOL4 1QEOL4 1QFOL4 1QGOL4 1QHOL4 1QJOL4 1QLOL4 1QNOL4 1QPOL4 1QQOL4 1QROL4 1QSOL4 1QTOL4 1QWOL4 1QYOL4 1RAOL4 1RDOL4 1REOL4 1RFOL4 1RGOL4 1RHOL4 1RJOL4 1RLOL4 1RPOL4 1RQOL4 1RROL4 1RSOL4 1RTOL4 1RWOL4 1RXOL4 1RYOL4 1RZOL4 1SAOL4 1SBOL4 1SEOL4 1SFOL4 1SGOL4 1SHOL4 1SLOL4 1SQOL4 1TDOL4 1XFOL4 1XGOL4 1XHOL4 1XLOL4 1XQOL4 1YNOL4 1YSOL4 1YTOL4 1YU

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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