LU1 4 postcode sector in the LU1 district

LU1 4 is a sector of the LU1 district: every postcode that starts LU1 4. It has 154 postcodes in use, one of them a large-user postcode. 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 LU1 4 sector, by flood risk

Map of every postcode in the LU1 4 sector, by flood risk Of the 154 postcodes in the LU1 4 sector that ONS places, 1 have a home or business at high risk and 153 are not on the Environment Agency's at-risk list. Places named: Caddington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M1A5183A5065A1081 LU1 4AB: not on the flood risk listLU1 4AD: not on the flood risk listLU1 4AE: not on the flood risk listLU1 4AF: not on the flood risk listLU1 4AH: not on the flood risk listLU1 4AJ: not on the flood risk listLU1 4AL: not on the flood risk listLU1 4AN: not on the flood risk listLU1 4AP: not on the flood risk listLU1 4AQ: not on the flood risk listLU1 4AR: not on the flood risk listLU1 4AS: not on the flood risk listLU1 4AT: not on the flood risk listLU1 4AW: not on the flood risk listLU1 4AX: not on the flood risk listLU1 4AY: not on the flood risk listLU1 4AZ: not on the flood risk listLU1 4BB: not on the flood risk listLU1 4BD: not on the flood risk listLU1 4BE: not on the flood risk listLU1 4BF: not on the flood risk listLU1 4BG: not on the flood risk listLU1 4BH: not on the flood risk listLU1 4BJ: not on the flood risk listLU1 4BL: not on the flood risk listLU1 4BN: not on the flood risk listLU1 4BP: not on the flood risk listLU1 4BQ: not on the flood risk listLU1 4BS: not on the flood risk listLU1 4BT: not on the flood risk listLU1 4BU: not on the flood risk listLU1 4BW: not on the flood risk listLU1 4BX: not on the flood risk listLU1 4BZ: not on the flood risk listLU1 4DA: not on the flood risk listLU1 4DB: not on the flood risk listLU1 4DD: not on the flood risk listLU1 4DE: not on the flood risk listLU1 4DG: not on the flood risk listLU1 4DH: not on the flood risk listLU1 4DJ: not on the flood risk listLU1 4DL: not on the flood risk listLU1 4DN: not on the flood risk listLU1 4DP: not on the flood risk listLU1 4DQ: not on the flood risk listLU1 4DR: not on the flood risk listLU1 4DS: not on the flood risk listLU1 4DT: not on the flood risk listLU1 4DU: not on the flood risk listLU1 4DW: not on the flood risk listLU1 4EA: not on the flood risk listLU1 4EB: not on the flood risk listLU1 4ED: not on the flood risk listLU1 4EE: not on the flood risk listLU1 4EF: not on the flood risk listLU1 4EH: not on the flood risk listLU1 4EJ: not on the flood risk listLU1 4EL: not on the flood risk listLU1 4EN: not on the flood risk listLU1 4EP: not on the flood risk listLU1 4EQ: not on the flood risk listLU1 4ER: not on the flood risk listLU1 4ES: not on the flood risk listLU1 4ET: not on the flood risk listLU1 4EU: not on the flood risk listLU1 4EX: not on the flood risk listLU1 4EZ: not on the flood risk listLU1 4FB: not on the flood risk listLU1 4FD: not on the flood risk listLU1 4FE: not on the flood risk listLU1 4FF: not on the flood risk listLU1 4FG: not on the flood risk listLU1 4FH: not on the flood risk listLU1 4FJ: not on the flood risk listLU1 4FL: not on the flood risk listLU1 4FN: not on the flood risk listLU1 4FP: not on the flood risk listLU1 4FQ: not on the flood risk listLU1 4FR: not on the flood risk listLU1 4FS: not on the flood risk listLU1 4FT: not on the flood risk listLU1 4FU: not on the flood risk listLU1 4FW: not on the flood risk listLU1 4FX: not on the flood risk listLU1 4FY: not on the flood risk listLU1 4GA: not on the flood risk listLU1 4GB: not on the flood risk listLU1 4GD: not on the flood risk listLU1 4GF: not on the flood risk listLU1 4GG: not on the flood risk listLU1 4GH: not on the flood risk listLU1 4GL: not on the flood risk listLU1 4GN: not on the flood risk listLU1 4GP: not on the flood risk listLU1 4GQ: not on the flood risk listLU1 4GR: not on the flood risk listLU1 4HA: not on the flood risk listLU1 4HB: not on the flood risk listLU1 4HD: not on the flood risk listLU1 4HF: not on the flood risk listLU1 4HG: not on the flood risk listLU1 4HH: not on the flood risk listLU1 4HJ: not on the flood risk listLU1 4HL: not on the flood risk listLU1 4HP: not on the flood risk listLU1 4HQ: not on the flood risk listLU1 4HS: not on the flood risk listLU1 4HT: not on the flood risk listLU1 4HU: not on the flood risk listLU1 4HX: not on the flood risk listLU1 4HY: not on the flood risk listLU1 4HZ: not on the flood risk listLU1 4JA: not on the flood risk listLU1 4JB: not on the flood risk listLU1 4JD: not on the flood risk listLU1 4JE: not on the flood risk listLU1 4JF: not on the flood risk listLU1 4JG: not on the flood risk listLU1 4JH: not on the flood risk listLU1 4JN: not on the flood risk listLU1 4JQ: not on the flood risk listLU1 4JW: not on the flood risk listLU1 4LA: not on the flood risk listLU1 4LB: not on the flood risk listLU1 4LE: not on the flood risk listLU1 4LG: not on the flood risk listLU1 4LH: not on the flood risk listLU1 4LJ: not on the flood risk listLU1 4LL: not on the flood risk listLU1 4LN: not on the flood risk listLU1 4LP: not on the flood risk listLU1 4LQ: not on the flood risk listLU1 4LR: not on the flood risk listLU1 4LT: not on the flood risk listLU1 4LU: not on the flood risk listLU1 4LW: not on the flood risk listLU1 4LX: not on the flood risk listLU1 4NA: not on the flood risk listLU1 4NB: not on the flood risk listLU1 4NE: not on the flood risk listLU1 4NF: not on the flood risk listLU1 4ZS: not on the flood risk listLU1 4LF: high flood risk Caddington Map of every postcode in the LU1 4 sector, by flood risk Of the 154 postcodes in the LU1 4 sector that ONS places, 1 have a home or business at high risk and 153 are not on the Environment Agency's at-risk list. Places named: Caddington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. M1A5183A5065 Caddington
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 153

Of the 154 postcodes in the LU1 4 sector that ONS places, 1 have a home or business at high risk and 153 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.

What do homes sell for in LU1 4?

Homes in LU1 4 sold for a typical £423,750 in the 12 months to August 2026, across 82 sales, down 3.4% on the 12 months before, HM Land Registry's figures show.

£423,750 typical price, the 12 months to August 2026
£438,750 12 months to August 2025
▼ down 3.4% on the 12 months before
  • Detached £562,500 29 sales
  • Semi-detached £408,000 27 sales
  • Terraced £326,500 18 sales
  • Flat or maisonette £232,500 8 sales

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 LU1 4. 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 LU1 4

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.

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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