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Postcode insights

NN1 3BY

Castle

West Northamptonshire

England / East Midlands / West Northamptonshire / Town Centre & Semilong / Castle / NN1 3BY

Overview

Postcode NN1 3BY is located in an urban city, within the Castle ward of West Northamptonshire in the East Midlands region , and forms part of the Town Centre & Semilong area. It has very high deprivation and very high crime levels, with around 390.1 crimes per 1,000 residents per year. The average income of residents in Town Centre & Semilong is £36,800 per year. The nearest station is Northampton located about 0.7 miles away. There are 7 primary and 1 secondary schools in the area. There are 2 parks nearby, closest large park is The Racecourse.

Crime rate
10/10
Crimes per 1k residents
390
Deprivation level
10/10
Income level
3/10
Social housing
54.9%
Connectivity
N/A
Flood Risk
No risk
Noise Level
High

Deprivation level

10/10

Town Centre & Semilong has a very high level of deprivation, ranked at position 2,420 out of 32,844 areas in the United Kingdom — placing it within the top 7% most deprived areas in England.

Crime level

10/10

Town Centre & Semilong has a very high crime rate, with approximately 390.1 reported incidents per 1,000 residents each year.

Social housing

54.9%

Approximately 54.9% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 36.1% of dwellings are socially rented.

Income level

3/10

The average income of residents in Town Centre & Semilong is £36,800 per year.

Noise Level

High

High noise level (70.0-74.9 dB) from road, approximately 220 ft away from NN1 3BY.

Flood risk

No risk

Town Centre & Semilong near NN1 3BY 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

DistanceNameSize
0.4 miThe RacecourseLarge
0.4 miMillers MeadowSmall

Area Profile

Population
285
Population density
8,200 per km²

Demographics

British
117
41.05%
Other White
61
21.4%
Bangladeshi
35
12.28%
African
22
7.72%
Indian
14
4.91%
Total population: 285

Housing

Social rents from council
47
30.72%
Private landlord or letting agency
42
27.45%
Other social rented
37
24.18%
Owns outright
14
9.15%
Owns with a mortgage
6
3.92%
Total households: 153

Property prices in Castle

Based on 141 recent sales, the median property price is £178,500 in Castle area, with individual transactions ranging from £57,000 up to £475,000.

Price per property type (last year)

Price per property type (last year)

TypeSalesMedian
Flats69£140,000
Semi-Detached1£135,000
Terraced71£205,000

10 years price trend in Castle

Schools

In the NN1 3BY postcode area, located within Town Centre & Semilong, there are 7 primary and 1 secondary schools in close proximity.

DistancePhaseNameTypeRating
0.2 miPrimaryCastle AcademyAcademy sponsor led

Good

0.2 miNot applicableThe CE AcademyAcademy alternative provision converter

N/A

0.3 miNot applicableNew Horizons AcademyFree schools alternative provision

N/A

Local amenities

DistanceNameAddress
0 miLorne Road Mini Market5 Lorne Road, Northampton, NN1 3RN
0 miBest Pol Delicatessen40 Barrack Road, Northampton, NN1 3RJ
0.1 miLittle Europe10 Wellington Place, Northampton, NN1 3RQ
0.1 miBailiff Street Mini Market115 Baliff Street, Northampton, NN1 3EA
0.1 miMarco Polo Euro Market108 Baliff Street, Northampton, NN1 3EA

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 01/10/2025.