# NN1

Postcode district covering Northampton, Kingsthorpe Hollow and St James' End, in West Northamptonshire.

NN1 is a postcode district covering Northampton, Kingsthorpe Hollow and St James' End, in West Northamptonshire. Median sale price £206,250 in 2025.

Postcode district. Code NN1. In: [Postcodes](https://openindex.co.uk/postcode) › [NN](https://openindex.co.uk/postcode/nn)

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an NN1 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £206,250** (2025). The median price paid for a home in NN1 was £206,250 in 2025. Joint 434th cheapest of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/nn1#f-house-sales-median-price
- **Population: 35,854** (2021). NN1 had 35,854 usual residents at the census (ONS Census 2021). 601st most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/nn1#f-population
- **People in radon Affected Area squares: 100%** (2022). About 100% of people in NN1 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/nn1#f-radon-affected-share
- **Gigabit broadband coverage: 87.4%** (January 2026). In NN1, 87.4% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/nn1#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas#place=NN1) (Worked out by Open Index · 2022): About 100% of people in NN1 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year#place=NN1) (Worked out by Open Index · 2025): 386 homes were sold in NN1 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime#place=NN1) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for NN1.
- [Population by postcode district](https://openindex.co.uk/map/population#place=NN1) (Census 2021, England and Wales): NN1 had 35,854 usual residents at the census.

## How NN1 compares

Each postcode district against every other postcode district the measure covers.

| Measure | NN1 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £206,250 | 2nd cheapest | 19 postcode districts, NN · 2025 |
| Population | 35,854 | 8th least populated | 19 postcode districts, NN · 2021 |
| People in radon Affected Area squares | 100% | joint most people in radon Affected Areas | 19 postcode districts, NN · 2022 |
| Gigabit broadband coverage | 87.4% | 2nd lowest | 19 postcode districts, NN · Jan 2026 |

## Is NN1 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in NN1 at a rate of 251.0 per 1,000 people.
That compares with 93.2 per 1,000 people across the NN postcode area.
In August 2026 alone, 982 cases of crime and anti-social behaviour were recorded in NN1.
In the 12 months to August 2026, the most common types were violence and sexual offences (3,019), anti-social behaviour (2,147) and other crime (1,617).
A year earlier, the recorded crime rate in NN1 was 245.2 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Deprivation in NN1, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so NN1 has no single figure. Of its 17 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 2 neighbourhoods
- Decile 2: 2 neighbourhoods
- Decile 3: 4 neighbourhoods
- Decile 4: 6 neighbourhoods
- Decile 5: 1 neighbourhood
- Decile 7: 1 neighbourhood
- Decile 8: 1 neighbourhood

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in NN1

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [West Northamptonshire 019A](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027136) | 1,705 | 135.1 per 1,000 | 4 | 100.0% |
| [West Northamptonshire 019B](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027186) | 1,786 | 68.4 per 1,000 | 8 | 99.7% |
| [West Northamptonshire 030A](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027132) | 2,201 | 105.8 per 1,000 | 4 | 99.6% |
| [West Northamptonshire 030B](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027133) | 1,976 | 187.5 per 1,000 | 5 | 99.8% |
| [West Northamptonshire 030C](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027134) | 1,895 | 97.1 per 1,000 | 4 | 97.4% |
| [West Northamptonshire 030D](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027135) | 1,827 | 81.6 per 1,000 | 7 | 99.9% |
| [West Northamptonshire 031A](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027155) | 2,543 | 142.3 per 1,000 | 3 | 98.5% |
| [West Northamptonshire 031B](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027225) | 1,755 | 89.7 per 1,000 | 4 | 99.7% |
| [West Northamptonshire 031C](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027227) | 1,882 | 151.4 per 1,000 | 3 | 100.0% |
| [West Northamptonshire 031D](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027228) | 2,391 | 211.5 per 1,000 | 3 | 99.2% |
| [West Northamptonshire 032B](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027153) | 2,273 | 476.0 per 1,000 | 1 | 86.1% |
| [West Northamptonshire 032D](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01032978) | 1,826 | 229.3 per 1,000 | 2 | 82.1% |
| [West Northamptonshire 032E](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01032979) | 1,498 | 1,365.5 per 1,000 | 1 | 68.6% |
| [West Northamptonshire 034A](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027224) | 2,291 | 315.6 per 1,000 | 3 | 96.2% |
| [West Northamptonshire 034B](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01027226) | 2,177 | 168.7 per 1,000 | 2 | 99.9% |
| [West Northamptonshire 034D](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01035417) | 1,410 | 696.8 per 1,000 | 4 | 61.1% |
| [West Northamptonshire 034E](https://openindex.co.uk/west-northamptonshire/neighbourhood/e01035418) | 2,076 | 359.9 per 1,000 | 4 | 56.0% |

## Your MP

- [Northampton North](https://openindex.co.uk/constituency/northampton-north): Lucy Rigby (Labour), MP since July 2024. 94% of the people here.
- [Northampton South](https://openindex.co.uk/constituency/northampton-south): Mike Reader (Labour), MP since July 2024. 6.1% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in NN1

[Abington](https://openindex.co.uk/west-northamptonshire/abington), [Cliftonville & Rushmere](https://openindex.co.uk/west-northamptonshire/cliftonville-and-rushmere), [Phippsville](https://openindex.co.uk/west-northamptonshire/phippsville), [St Michael's Road](https://openindex.co.uk/west-northamptonshire/st-michaels-road), [Town Centre & Semilong](https://openindex.co.uk/west-northamptonshire/town-centre-and-semilong)

## Postcode sectors in NN1

[NN1 1 (132 postcodes)](https://openindex.co.uk/postcode/nn1-1), [NN1 2 (154 postcodes)](https://openindex.co.uk/postcode/nn1-2), [NN1 3 (121 postcodes)](https://openindex.co.uk/postcode/nn1-3), [NN1 4 (199 postcodes)](https://openindex.co.uk/postcode/nn1-4), [NN1 5 (159 postcodes)](https://openindex.co.uk/postcode/nn1-5), [NN1 9 (65 postcodes)](https://openindex.co.uk/postcode/nn1-9)

## Council

[West Northamptonshire](https://openindex.co.uk/west-northamptonshire)

## Towns in NN1

[Northampton](https://openindex.co.uk/town/northampton)

## Postcode districts next to NN1

[NN2](https://openindex.co.uk/postcode/nn2), [NN3](https://openindex.co.uk/postcode/nn3), [NN4](https://openindex.co.uk/postcode/nn4), [NN5](https://openindex.co.uk/postcode/nn5)

## Nearest rail stations

[Northampton (2.1 km from the middle)](https://openindex.co.uk/map/rail-stations#around=-0.9066,52.2375)

## More in the NN postcode area

[All NN postcode districts](https://openindex.co.uk/postcode/nn), [Every UK postcode area](https://openindex.co.uk/postcode)

## NN1 in brief

NN1 is a postcode district covering Northampton, Kingsthorpe Hollow and St James' End, in West Northamptonshire.
About 38,598 people lived in NN1 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £206,250 in 2025 across 386 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 251.0 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in NN1 was £206,250 in 2025.
NN1 had 35,854 usual residents at the census.
About 100% of people in NN1 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In NN1, 87.4% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: NN1
- Postcode area: [NN](https://openindex.co.uk/postcode/nn)
- Constituency: [Northampton North †](https://openindex.co.uk/constituency/northampton-north)
- Council: [West Northamptonshire †](https://openindex.co.uk/west-northamptonshire)
- Area: 6.66 km²
- People, mid-2024: 38,598*
- Neighbourhoods: 17
- Output areas: 106

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[NN4](https://openindex.co.uk/postcode/nn4), [NN2](https://openindex.co.uk/postcode/nn2), [NN3](https://openindex.co.uk/postcode/nn3), [NN5](https://openindex.co.uk/postcode/nn5)

## Latest updates for NN1

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/NN1

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/nn1, or to one figure with its anchor, https://openindex.co.uk/postcode/nn1#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.11. The HTML page: https://openindex.co.uk/postcode/nn1