NN4 7 postcode sector in the NN4 district

NN4 7 is a sector of the NN4 district: every postcode that starts NN4 7. It has 81 postcodes in use, 18 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 NN4 7 sector, by flood risk

Map of every postcode in the NN4 7 sector, by flood risk Of the 81 postcodes in the NN4 7 sector that ONS places, 1 have a home or business at high risk, 8 are at low risk at worst, 4 are at very low risk only and 68 are not on the Environment Agency's at-risk list. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A45A428A5095 NN4 7AE: not on the flood risk listNN4 7AF: not on the flood risk listNN4 7AG: not on the flood risk listNN4 7AH: not on the flood risk listNN4 7AJ: not on the flood risk listNN4 7AL: not on the flood risk listNN4 7AN: not on the flood risk listNN4 7AP: not on the flood risk listNN4 7AQ: not on the flood risk listNN4 7AS: not on the flood risk listNN4 7AT: not on the flood risk listNN4 7AU: not on the flood risk listNN4 7AW: not on the flood risk listNN4 7AX: not on the flood risk listNN4 7AZ: not on the flood risk listNN4 7BB: not on the flood risk listNN4 7BD: not on the flood risk listNN4 7BE: not on the flood risk listNN4 7BH: not on the flood risk listNN4 7BN: not on the flood risk listNN4 7BP: not on the flood risk listNN4 7BQ: not on the flood risk listNN4 7BS: not on the flood risk listNN4 7BT: not on the flood risk listNN4 7BU: not on the flood risk listNN4 7BW: not on the flood risk listNN4 7BX: not on the flood risk listNN4 7DX: not on the flood risk listNN4 7DY: not on the flood risk listNN4 7EB: not on the flood risk listNN4 7ED: not on the flood risk listNN4 7EE: not on the flood risk listNN4 7EF: not on the flood risk listNN4 7EH: not on the flood risk listNN4 7EJ: not on the flood risk listNN4 7EQ: not on the flood risk listNN4 7EX: not on the flood risk listNN4 7HR: not on the flood risk listNN4 7HS: not on the flood risk listNN4 7HT: not on the flood risk listNN4 7HW: not on the flood risk listNN4 7JJ: not on the flood risk listNN4 7LJ: not on the flood risk listNN4 7LZ: not on the flood risk listNN4 7NX: not on the flood risk listNN4 7PA: not on the flood risk listNN4 7PL: not on the flood risk listNN4 7PT: not on the flood risk listNN4 7PU: not on the flood risk listNN4 7PW: not on the flood risk listNN4 7PX: not on the flood risk listNN4 7PY: not on the flood risk listNN4 7RG: not on the flood risk listNN4 7SG: not on the flood risk listNN4 7SL: not on the flood risk listNN4 7UF: not on the flood risk listNN4 7YE: not on the flood risk listNN4 7YJ: not on the flood risk listNN4 7YL: not on the flood risk listNN4 7YQ: not on the flood risk listNN4 7BF: very low flood risk onlyNN4 7DU: very low flood risk onlyNN4 7JE: very low flood risk onlyNN4 7PN: very low flood risk onlyNN4 7AD: low flood risk at worstNN4 7DT: low flood risk at worstNN4 7HD: low flood risk at worstNN4 7SJ: low flood risk at worstNN4 7XD: low flood risk at worstNN4 7YB: low flood risk at worstNN4 7YD: low flood risk at worstNN4 7YF: low flood risk at worstNN4 7AA: high flood risk Northampton Map of every postcode in the NN4 7 sector, by flood risk Of the 81 postcodes in the NN4 7 sector that ONS places, 1 have a home or business at high risk, 8 are at low risk at worst, 4 are at very low risk only and 68 are not on the Environment Agency's at-risk list. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A5095A45A428 Northampton
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 8
  • At very low risk only: 4
  • Not on the at-risk list: 68

Of the 81 postcodes in the NN4 7 sector that ONS places, 1 have a home or business at high risk, 8 are at low risk at worst, 4 are at very low risk only and 68 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 NN4 7?

Homes in NN4 7 sold for a typical £305,000 in the 12 months to August 2026, across 8 sales, down 31.5% on the 12 months before, HM Land Registry's figures show.

£305,000 typical price, the 12 months to August 2026
£445,000 12 months to August 2025
▼ down 31.5% on the 12 months before
  • Detached £460,000 5 sales
  • Semi-detached 1 sale, too few to price
  • Terraced 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start NN4 7. 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

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.