BB1 3 postcode sector in the BB1 district

BB1 3 is a sector of the BB1 district: every postcode that starts BB1 3. It has 94 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 BB1 3 sector, by flood risk

Map of every postcode in the BB1 3 sector, by flood risk Of the 94 postcodes in the BB1 3 sector that ONS places, 3 have a home or business at high risk, 1 are at medium risk at worst, 7 are at low risk at worst and 83 are not on the Environment Agency's at-risk list. Places named: Blackburn. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M65A6119A678 BB1 3AD: not on the flood risk listBB1 3AE: not on the flood risk listBB1 3AG: not on the flood risk listBB1 3AJ: not on the flood risk listBB1 3AL: not on the flood risk listBB1 3AN: not on the flood risk listBB1 3AP: not on the flood risk listBB1 3AQ: not on the flood risk listBB1 3AR: not on the flood risk listBB1 3AS: not on the flood risk listBB1 3AT: not on the flood risk listBB1 3AX: not on the flood risk listBB1 3AY: not on the flood risk listBB1 3AZ: not on the flood risk listBB1 3BB: not on the flood risk listBB1 3BD: not on the flood risk listBB1 3BL: not on the flood risk listBB1 3BQ: not on the flood risk listBB1 3BS: not on the flood risk listBB1 3BY: not on the flood risk listBB1 3BZ: not on the flood risk listBB1 3DF: not on the flood risk listBB1 3DL: not on the flood risk listBB1 3DP: not on the flood risk listBB1 3DW: not on the flood risk listBB1 3DZ: not on the flood risk listBB1 3HD: not on the flood risk listBB1 3HF: not on the flood risk listBB1 3HJ: not on the flood risk listBB1 3HL: not on the flood risk listBB1 3HN: not on the flood risk listBB1 3HQ: not on the flood risk listBB1 3HW: not on the flood risk listBB1 3JA: not on the flood risk listBB1 3JB: not on the flood risk listBB1 3JD: not on the flood risk listBB1 3JL: not on the flood risk listBB1 3JP: not on the flood risk listBB1 3JR: not on the flood risk listBB1 3JS: not on the flood risk listBB1 3JT: not on the flood risk listBB1 3JU: not on the flood risk listBB1 3JW: not on the flood risk listBB1 3JX: not on the flood risk listBB1 3JY: not on the flood risk listBB1 3JZ: not on the flood risk listBB1 3LA: not on the flood risk listBB1 3LB: not on the flood risk listBB1 3LD: not on the flood risk listBB1 3LE: not on the flood risk listBB1 3LF: not on the flood risk listBB1 3LG: not on the flood risk listBB1 3LH: not on the flood risk listBB1 3LJ: not on the flood risk listBB1 3LL: not on the flood risk listBB1 3LN: not on the flood risk listBB1 3LP: not on the flood risk listBB1 3LQ: not on the flood risk listBB1 3LR: not on the flood risk listBB1 3LS: not on the flood risk listBB1 3LU: not on the flood risk listBB1 3LW: not on the flood risk listBB1 3LX: not on the flood risk listBB1 3LY: not on the flood risk listBB1 3LZ: not on the flood risk listBB1 3NA: not on the flood risk listBB1 3NB: not on the flood risk listBB1 3ND: not on the flood risk listBB1 3NG: not on the flood risk listBB1 3NH: not on the flood risk listBB1 3NJ: not on the flood risk listBB1 3NN: not on the flood risk listBB1 3NP: not on the flood risk listBB1 3NQ: not on the flood risk listBB1 3NR: not on the flood risk listBB1 3NS: not on the flood risk listBB1 3NT: not on the flood risk listBB1 3NU: not on the flood risk listBB1 3NW: not on the flood risk listBB1 3NY: not on the flood risk listBB1 3AB: low flood risk at worstBB1 3EA: low flood risk at worstBB1 3EE: low flood risk at worstBB1 3HP: low flood risk at worstBB1 3HR: low flood risk at worstBB1 3HU: low flood risk at worstBB1 3HY: low flood risk at worstBB1 3HT: medium flood risk at worstBB1 3BW: high flood riskBB1 3ES: high flood riskBB1 3EU: high flood risk Blackburn Map of every postcode in the BB1 3 sector, by flood risk Of the 94 postcodes in the BB1 3 sector that ONS places, 3 have a home or business at high risk, 1 are at medium risk at worst, 7 are at low risk at worst and 83 are not on the Environment Agency's at-risk list. Places named: Blackburn. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A666A678M65 Blackburn
  • A home or business at high risk: 3
  • At medium risk at worst: 1
  • At low risk at worst: 7
  • At very low risk only: 0
  • Not on the at-risk list: 83

Of the 94 postcodes in the BB1 3 sector that ONS places, 3 have a home or business at high risk, 1 are at medium risk at worst, 7 are at low risk at worst and 83 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.

BB1 3EU12 at high riskBB1 3BW8 at high riskBB1 3ES1 at high risk

What do homes sell for in BB1 3?

Homes in BB1 3 sold for a typical £151,250 in the 12 months to August 2026, across 26 sales, up 8% on the 12 months before, HM Land Registry's figures show.

£151,250 typical price, the 12 months to August 2026
£140,000 12 months to August 2025
▲ up 8% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £165,000 16 sales
  • Terraced £132,000 8 sales
  • Flat or maisonette 1 sale, 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 BB1 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 BB1 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.

BB1 3ABBB1 3ADBB1 3AEBB1 3AGBB1 3AJBB1 3ALBB1 3ANBB1 3APBB1 3AQBB1 3ARBB1 3ASBB1 3ATBB1 3AXBB1 3AYBB1 3AZBB1 3BBBB1 3BDBB1 3BGBB1 3BLBB1 3BQBB1 3BSBB1 3BWBB1 3BYBB1 3BZBB1 3DBBB1 3DFBB1 3DLBB1 3DPBB1 3DWBB1 3DZBB1 3EABB1 3EEBB1 3ESBB1 3EUBB1 3HDBB1 3HFBB1 3HGBB1 3HJBB1 3HLBB1 3HNBB1 3HPBB1 3HQBB1 3HRBB1 3HTBB1 3HUBB1 3HWBB1 3HYBB1 3JABB1 3JBBB1 3JDBB1 3JLBB1 3JPBB1 3JRBB1 3JSBB1 3JTBB1 3JUBB1 3JWBB1 3JXBB1 3JYBB1 3JZBB1 3LABB1 3LBBB1 3LDBB1 3LEBB1 3LFBB1 3LGBB1 3LHBB1 3LJBB1 3LLBB1 3LNBB1 3LPBB1 3LQBB1 3LRBB1 3LSBB1 3LUBB1 3LWBB1 3LXBB1 3LYBB1 3LZBB1 3NABB1 3NBBB1 3NDBB1 3NGBB1 3NHBB1 3NJBB1 3NNBB1 3NPBB1 3NQBB1 3NRBB1 3NSBB1 3NTBB1 3NUBB1 3NWBB1 3NY

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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