BL78 postcode district: Farnworth and around, Bolton

BL78 is a postcode district in England, with 5 postcodes in use in 2 sectors. It has postcodes in Farnworth and Bolton. Its council is Bolton.

Postcodes in use
5
Sectors
2
Council
Bolton
Places
2 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in BL78, by flood risk

Map of every postcode in BL78, by flood risk Of the 5 postcodes in BL78 that ONS places, 5 are not on the Environment Agency's at-risk list. Places named: Farnworth North, Queens Park & Central. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A666 BL78 1AA: not on the flood risk listBL78 1BF: not on the flood risk listBL78 7WZ: not on the flood risk list Farnworth NorthQueens Park & Central Map of every postcode in BL78, by flood risk Of the 5 postcodes in BL78 that ONS places, 5 are not on the Environment Agency's at-risk list. Places named: Farnworth North, Queens Park & Central. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A666 Farnworth NorthQueens Park & Central
  • 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: 5

Of the 5 postcodes in BL78 that ONS places, 5 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.

The middle of its postcodes: latitude 53.5599, longitude -2.4091. Open this area on OpenStreetMap

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

Is BL78 at risk of flooding?

None of the 5 postcodes in BL78 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

Postcodes in BL78

Pick a sector, then a postcode. A sector is the district plus the next digit.

BL78 14 postcodesBL78 71 postcode
UK postcode format explained

Places in BL78

Towns and villages with postcodes in BL78, and how many each has here.

Farnworth postcodes,4Bolton postcodes,1

Who covers BL78

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Bolton South and Walkden5

Police force areas

  • Greater Manchester5

Next to BL78

BL11 postcode district All BL districts Farnworth postcodes

"Next to" is by number: the district before BL78 in the BL area.

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