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Postcode insights

NN1 3AU

Castle

West Northamptonshire

England / East Midlands / West Northamptonshire / St Michael's Road / Castle / NN1 3AU

Overview

Postcode NN1 3AU is located in an urban city, within the Castle ward of West Northamptonshire in the East Midlands region , and forms part of the St Michael's Road area. It has very high deprivation and very high crime levels, with around 211.6 crimes per 1,000 residents per year. The average income of residents in St Michael's Road is £42,200 per year. The nearest station is Northampton located about 0.7 miles away. There are 6 primary and 1 secondary schools in the area.

Crime rate
10/10
Crimes per 1k residents
212
Deprivation level
9/10
Income level
6/10
Social housing
30.4%
Connectivity
N/A
Flood Risk
No risk
Noise Level
High

Deprivation level

9/10

St Michael's Road has a very high level of deprivation, ranked at position 6,355 out of 32,844 areas in the United Kingdom — placing it within the top 19% most deprived areas in England.

Crime level

10/10

St Michael's Road has a very high crime rate, with approximately 211.6 reported incidents per 1,000 residents each year.

Social housing

30.4%

Approximately 30.4% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 10.8% of dwellings are socially rented.

Income level

6/10

The average income of residents in St Michael's Road is £42,200 per year.

Noise Level

High

High noise level (70.0-74.9 dB) from road, approximately 164 ft away from NN1 3AU.

Flood risk

No risk

St Michael's Road near NN1 3AU has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

The nearest station is Northampton located about 0.7 miles away. There are 1 stations nearby.

DistanceNameLines
0.7 mi

Northampton

N/A

Parks

No parks nearby

Property prices in Castle

Based on 141 recent sales, the median property price is £179,995 in Castle area, with individual transactions ranging from £46,000 up to £475,000.

By property type (last year):
TypeSalesMedian
Flats67£143,000
Semi-Detached1£135,000
Terraced73£205,000

10 years price trend in Castle

Schools

In the NN1 3AU postcode area, located within St Michael's Road, there are 6 primary and 1 secondary schools in close proximity.

DistancePhaseNameTypeRating
0.1 miNot applicableProgress Schools - NorthamptonshireOther independent special school

Inadequate

0.3 miNot applicableNew Horizons AcademyFree schools alternative provision

N/A

0.3 miNot applicableThe CE AcademyAcademy alternative provision converter

N/A

Local amenities

DistanceNameAddress
0 miALDI2 Earl Street, Northampton, NN1 3AU
0.1 miContinental Supermarket & Halal Butcher82 Earl Street, Northampton, NN1 3AX
0.1 miEarl Street Mini Market106 Earl Street, Northampton, NN1 3AX
0.2 miAjwa Super MarketAlbert Place, West Northamptonshire, NN1 2BQ
0.2 miEurope Supermarket102a Abington Street, Northampton, NN1 2BP

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/08/2025.