UB1 3 postcode sector in the UB1 district

UB1 3 is a sector of the UB1 district: every postcode that starts UB1 3. It has 176 postcodes in use, 7 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 UB1 3 sector, by flood risk

Map of every postcode in the UB1 3 sector, by flood risk Of the 176 postcodes in the UB1 3 sector that ONS places, 1 have a home or business at high risk, 4 are at low risk at worst and 171 are not on the Environment Agency's at-risk list. Places named: Dormers Wells, Southall Broadway. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4127 UB1 3AA: not on the flood risk listUB1 3AE: not on the flood risk listUB1 3AF: not on the flood risk listUB1 3AG: not on the flood risk listUB1 3AH: not on the flood risk listUB1 3AJ: not on the flood risk listUB1 3AL: not on the flood risk listUB1 3AN: not on the flood risk listUB1 3AP: not on the flood risk listUB1 3AQ: not on the flood risk listUB1 3AR: not on the flood risk listUB1 3AS: not on the flood risk listUB1 3AT: not on the flood risk listUB1 3AU: not on the flood risk listUB1 3AW: not on the flood risk listUB1 3AX: not on the flood risk listUB1 3AY: not on the flood risk listUB1 3AZ: not on the flood risk listUB1 3BH: not on the flood risk listUB1 3BL: not on the flood risk listUB1 3BN: not on the flood risk listUB1 3BP: not on the flood risk listUB1 3BQ: not on the flood risk listUB1 3BS: not on the flood risk listUB1 3BT: not on the flood risk listUB1 3BU: not on the flood risk listUB1 3BW: not on the flood risk listUB1 3DA: not on the flood risk listUB1 3DB: not on the flood risk listUB1 3DD: not on the flood risk listUB1 3DJ: not on the flood risk listUB1 3DL: not on the flood risk listUB1 3DN: not on the flood risk listUB1 3DP: not on the flood risk listUB1 3DR: not on the flood risk listUB1 3DT: not on the flood risk listUB1 3DU: not on the flood risk listUB1 3DW: not on the flood risk listUB1 3DX: not on the flood risk listUB1 3DY: not on the flood risk listUB1 3DZ: not on the flood risk listUB1 3EA: not on the flood risk listUB1 3EB: not on the flood risk listUB1 3ED: not on the flood risk listUB1 3EF: not on the flood risk listUB1 3EG: not on the flood risk listUB1 3EJ: not on the flood risk listUB1 3EL: not on the flood risk listUB1 3EP: not on the flood risk listUB1 3EQ: not on the flood risk listUB1 3EU: not on the flood risk listUB1 3EW: not on the flood risk listUB1 3EX: not on the flood risk listUB1 3EY: not on the flood risk listUB1 3EZ: not on the flood risk listUB1 3FA: not on the flood risk listUB1 3FB: not on the flood risk listUB1 3FD: not on the flood risk listUB1 3FF: not on the flood risk listUB1 3FH: not on the flood risk listUB1 3FJ: not on the flood risk listUB1 3FQ: not on the flood risk listUB1 3FT: not on the flood risk listUB1 3FX: not on the flood risk listUB1 3FY: not on the flood risk listUB1 3FZ: not on the flood risk listUB1 3HA: not on the flood risk listUB1 3HB: not on the flood risk listUB1 3HD: not on the flood risk listUB1 3HF: not on the flood risk listUB1 3HG: not on the flood risk listUB1 3HH: not on the flood risk listUB1 3HJ: not on the flood risk listUB1 3HL: not on the flood risk listUB1 3HN: not on the flood risk listUB1 3HP: not on the flood risk listUB1 3HR: not on the flood risk listUB1 3HS: not on the flood risk listUB1 3HT: not on the flood risk listUB1 3HU: not on the flood risk listUB1 3HX: not on the flood risk listUB1 3HY: not on the flood risk listUB1 3HZ: not on the flood risk listUB1 3JA: not on the flood risk listUB1 3JB: not on the flood risk listUB1 3JD: not on the flood risk listUB1 3JE: not on the flood risk listUB1 3JF: not on the flood risk listUB1 3JG: not on the flood risk listUB1 3JH: not on the flood risk listUB1 3JJ: not on the flood risk listUB1 3JL: not on the flood risk listUB1 3JN: not on the flood risk listUB1 3JP: not on the flood risk listUB1 3JQ: not on the flood risk listUB1 3JR: not on the flood risk listUB1 3JS: not on the flood risk listUB1 3JT: not on the flood risk listUB1 3JU: not on the flood risk listUB1 3JW: not on the flood risk listUB1 3JX: not on the flood risk listUB1 3JY: not on the flood risk listUB1 3JZ: not on the flood risk listUB1 3LA: not on the flood risk listUB1 3LB: not on the flood risk listUB1 3LD: not on the flood risk listUB1 3LE: not on the flood risk listUB1 3LG: not on the flood risk listUB1 3LH: not on the flood risk listUB1 3LJ: not on the flood risk listUB1 3LL: not on the flood risk listUB1 3LP: not on the flood risk listUB1 3LQ: not on the flood risk listUB1 3LR: not on the flood risk listUB1 3LS: not on the flood risk listUB1 3LT: not on the flood risk listUB1 3LU: not on the flood risk listUB1 3LX: not on the flood risk listUB1 3LY: not on the flood risk listUB1 3LZ: not on the flood risk listUB1 3NA: not on the flood risk listUB1 3NB: not on the flood risk listUB1 3ND: not on the flood risk listUB1 3NE: not on the flood risk listUB1 3NS: not on the flood risk listUB1 3NT: not on the flood risk listUB1 3NU: not on the flood risk listUB1 3NX: not on the flood risk listUB1 3NY: not on the flood risk listUB1 3NZ: not on the flood risk listUB1 3PA: not on the flood risk listUB1 3PB: not on the flood risk listUB1 3PD: not on the flood risk listUB1 3PE: not on the flood risk listUB1 3PF: not on the flood risk listUB1 3PL: not on the flood risk listUB1 3PN: not on the flood risk listUB1 3QA: not on the flood risk listUB1 3QB: not on the flood risk listUB1 3QD: not on the flood risk listUB1 3QE: not on the flood risk listUB1 3QF: not on the flood risk listUB1 3QG: not on the flood risk listUB1 3QH: not on the flood risk listUB1 3QJ: not on the flood risk listUB1 3QL: not on the flood risk listUB1 3QN: not on the flood risk listUB1 3QP: not on the flood risk listUB1 3QQ: not on the flood risk listUB1 3QR: not on the flood risk listUB1 3QS: not on the flood risk listUB1 3QT: not on the flood risk listUB1 3QU: not on the flood risk listUB1 3QW: not on the flood risk listUB1 3QX: not on the flood risk listUB1 3RA: not on the flood risk listUB1 3RB: not on the flood risk listUB1 3RD: not on the flood risk listUB1 3RE: not on the flood risk listUB1 3RF: not on the flood risk listUB1 3RG: not on the flood risk listUB1 3RN: not on the flood risk listUB1 3RQ: not on the flood risk listUB1 3RW: not on the flood risk listUB1 3ER: low flood risk at worstUB1 3ES: low flood risk at worstUB1 3ET: low flood risk at worstUB1 3HW: low flood risk at worstUB1 3EE: high flood risk Dormers WellsSouthall Broadway Map of every postcode in the UB1 3 sector, by flood risk Of the 176 postcodes in the UB1 3 sector that ONS places, 1 have a home or business at high risk, 4 are at low risk at worst and 171 are not on the Environment Agency's at-risk list. Places named: Dormers Wells, Southall Broadway. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Dormers WellsSouthall Broadway
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 171

Of the 176 postcodes in the UB1 3 sector that ONS places, 1 have a home or business at high risk, 4 are at low risk at worst and 171 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.

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.

UB1 3EE1 at high risk

What do homes sell for in UB1 3?

Homes in UB1 3 sold for a typical £546,000 in the 12 months to August 2026, across 16 sales, up 15.3% on the 12 months before, HM Land Registry's figures show.

£546,000 typical price, the 12 months to August 2026
£473,500 12 months to August 2025
▲ up 15.3% on the 12 months before
  • Semi-detached £592,500 8 sales
  • Terraced £560,000 5 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 UB1 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 UB1 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.

UB1 3AAUB1 3AEUB1 3AFUB1 3AGUB1 3AHUB1 3AJUB1 3ALUB1 3ANUB1 3APUB1 3AQUB1 3ARUB1 3ASUB1 3ATUB1 3AUUB1 3AWUB1 3AXUB1 3AYUB1 3AZUB1 3BHUB1 3BLUB1 3BNUB1 3BPUB1 3BQUB1 3BSUB1 3BTUB1 3BUUB1 3BWUB1 3DAUB1 3DBUB1 3DDUB1 3DJUB1 3DLUB1 3DNUB1 3DPUB1 3DRUB1 3DTUB1 3DUUB1 3DWUB1 3DXUB1 3DYUB1 3DZUB1 3EAUB1 3EBUB1 3EDUB1 3EEUB1 3EFUB1 3EGUB1 3EJUB1 3ELUB1 3EPUB1 3EQUB1 3ERUB1 3ESUB1 3ETUB1 3EUUB1 3EWUB1 3EXUB1 3EYUB1 3EZUB1 3FAUB1 3FBUB1 3FDUB1 3FEUB1 3FFUB1 3FGUB1 3FHUB1 3FJUB1 3FLUB1 3FQUB1 3FSUB1 3FTUB1 3FWUB1 3FXUB1 3FYUB1 3FZUB1 3GAUB1 3HAUB1 3HBUB1 3HDUB1 3HFUB1 3HGUB1 3HHUB1 3HJUB1 3HLUB1 3HNUB1 3HPUB1 3HRUB1 3HSUB1 3HTUB1 3HUUB1 3HWUB1 3HXUB1 3HYUB1 3HZUB1 3JAUB1 3JBUB1 3JDUB1 3JEUB1 3JFUB1 3JGUB1 3JHUB1 3JJUB1 3JLUB1 3JNUB1 3JPUB1 3JQUB1 3JRUB1 3JSUB1 3JTUB1 3JUUB1 3JWUB1 3JXUB1 3JYUB1 3JZUB1 3LAUB1 3LBUB1 3LDUB1 3LEUB1 3LFUB1 3LGUB1 3LHUB1 3LJUB1 3LLUB1 3LPUB1 3LQUB1 3LRUB1 3LSUB1 3LTUB1 3LUUB1 3LXUB1 3LYUB1 3LZUB1 3NAUB1 3NBUB1 3NDUB1 3NEUB1 3NSUB1 3NTUB1 3NUUB1 3NXUB1 3NYUB1 3NZUB1 3PAUB1 3PBUB1 3PDUB1 3PEUB1 3PFUB1 3PLUB1 3PNUB1 3QAUB1 3QBUB1 3QDUB1 3QEUB1 3QFUB1 3QGUB1 3QHUB1 3QJUB1 3QLUB1 3QNUB1 3QPUB1 3QQUB1 3QRUB1 3QSUB1 3QTUB1 3QUUB1 3QWUB1 3QXUB1 3RAUB1 3RBUB1 3RDUB1 3REUB1 3RFUB1 3RGUB1 3RNUB1 3RQUB1 3RW

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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