NN11 9 postcode sector in the NN11 district

NN11 9 is a sector of the NN11 district: every postcode that starts NN11 9. It has 121 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 NN11 9 sector, and which are new since 2020

Map of every postcode in the NN11 9 sector, by new since 2020 Of the 121 postcodes in the NN11 9 sector that ONS places, 121 were in use before 2020. Places named: Daventry. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A361A45A4256 NN11 9AA: before 2020NN11 9AB: before 2020NN11 9AD: before 2020NN11 9AE: before 2020NN11 9AF: before 2020NN11 9AH: before 2020NN11 9AJ: before 2020NN11 9AL: before 2020NN11 9AN: before 2020NN11 9AP: before 2020NN11 9AQ: before 2020NN11 9AR: before 2020NN11 9AS: before 2020NN11 9AT: before 2020NN11 9AU: before 2020NN11 9AW: before 2020NN11 9AX: before 2020NN11 9AY: before 2020NN11 9AZ: before 2020NN11 9BA: before 2020NN11 9BB: before 2020NN11 9BD: before 2020NN11 9BE: before 2020NN11 9BF: before 2020NN11 9BG: before 2020NN11 9BH: before 2020NN11 9BJ: before 2020NN11 9BL: before 2020NN11 9BN: before 2020NN11 9BP: before 2020NN11 9BQ: before 2020NN11 9BS: before 2020NN11 9BT: before 2020NN11 9BU: before 2020NN11 9BW: before 2020NN11 9BX: before 2020NN11 9BY: before 2020NN11 9BZ: before 2020NN11 9DA: before 2020NN11 9DB: before 2020NN11 9DD: before 2020NN11 9DE: before 2020NN11 9DF: before 2020NN11 9DG: before 2020NN11 9DH: before 2020NN11 9DJ: before 2020NN11 9DL: before 2020NN11 9DN: before 2020NN11 9DP: before 2020NN11 9DQ: before 2020NN11 9DR: before 2020NN11 9DS: before 2020NN11 9DT: before 2020NN11 9DU: before 2020NN11 9DW: before 2020NN11 9DX: before 2020NN11 9DY: before 2020NN11 9DZ: before 2020NN11 9EB: before 2020NN11 9ED: before 2020NN11 9EE: before 2020NN11 9EF: before 2020NN11 9EG: before 2020NN11 9EP: before 2020NN11 9EQ: before 2020NN11 9ER: before 2020NN11 9ES: before 2020NN11 9ET: before 2020NN11 9EU: before 2020NN11 9EW: before 2020NN11 9EX: before 2020NN11 9EY: before 2020NN11 9EZ: before 2020NN11 9FR: before 2020NN11 9FS: before 2020NN11 9FT: before 2020NN11 9FU: before 2020NN11 9FZ: before 2020NN11 9GZ: before 2020NN11 9HB: before 2020NN11 9HE: before 2020NN11 9HF: before 2020NN11 9HG: before 2020NN11 9HH: before 2020NN11 9HJ: before 2020NN11 9HL: before 2020NN11 9HP: before 2020NN11 9HQ: before 2020NN11 9HR: before 2020NN11 9HS: before 2020NN11 9HW: before 2020NN11 9HX: before 2020NN11 9HZ: before 2020NN11 9LE: before 2020NN11 9LN: before 2020NN11 9NS: before 2020NN11 9QB: before 2020NN11 9QD: before 2020NN11 9QG: before 2020NN11 9RL: before 2020NN11 9RN: before 2020NN11 9RS: before 2020NN11 9RU: before 2020NN11 9SA: before 2020NN11 9SW: before 2020NN11 9SX: before 2020NN11 9TD: before 2020NN11 9TW: before 2020NN11 9UB: before 2020NN11 9UE: before 2020NN11 9UQ: before 2020NN11 9UR: before 2020NN11 9WH: before 2020NN11 9WJ: before 2020NN11 9XL: before 2020NN11 9YA: before 2020NN11 9YB: before 2020NN11 9YS: before 2020NN11 9YU: before 2020NN11 9YW: before 2020NN11 9YX: before 2020 Daventry Map of every postcode in the NN11 9 sector, by new since 2020 Of the 121 postcodes in the NN11 9 sector that ONS places, 121 were in use before 2020. Places named: Daventry. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A361A45 Daventry
  • New since 2020: 0
  • In use before 2020: 121

Of the 121 postcodes in the NN11 9 sector that ONS places, 121 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; 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

What do homes sell for in NN11 9?

Homes in NN11 9 sold for a typical £235,000 in the 12 months to August 2026, across 81 sales, up 4.4% on the 12 months before, HM Land Registry's figures show.

£235,000 typical price, the 12 months to August 2026
£225,000 12 months to August 2025
▲ up 4.4% on the 12 months before
  • Detached £333,975 22 sales
  • Semi-detached £228,000 27 sales
  • Terraced £215,000 25 sales
  • Flat or maisonette £140,000 7 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 NN11 9. 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.

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