Where is Flat, 21 Castilian Street, NN1 1JS located?

Flat, 21 Castilian Street, NN1 1JS sits in Northampton. It falls within the NN1 postcode district.

Is Flat, 21 Castilian Street, NN1 1JS in a safe area?

Police records around Flat, 21 Castilian Street, NN1 1JS show an average of 11 reported crimes per month over the last 12 months. Violent crime makes up roughly 42% of reports, the most common category. The overall trend is rising (973% versus the prior period). Source: Police UK.

Which schools serve Flat, 21 Castilian Street, NN1 1JS?

The closest primary school to Flat, 21 Castilian Street, NN1 1JS is Spring Lane Primary School (806m), one of 27 primaries within walking distance. The closest secondary is Northampton International Academy (985m), with 5 secondaries in the surrounding area.

How well connected is Flat, 21 Castilian Street, NN1 1JS?

The closest bus stop to Flat, 21 Castilian Street, NN1 1JS is Post Office, 55m away. The nearest bus option is Northampton Bus Interchange, 423m away.

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Flat, 21 Castilian Street, Northampton, NN1 1JS

We're still gathering data on this property. Claim it to add details and complete this page.

Overview

About Flat

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Flat is a property in Northampton (NN1 1JS).

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

No EPC on record

This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.

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Level 2 HomeBuyer Report

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

Planning

Planning history

Applications and permits filed against Flat, 21 Castilian Street, Northampton, NN1 1JS, sourced from the PlanIt planning register.

No planning applications are recorded against Flat, 21 Castilian Street, Northampton, NN1 1JS. The full report also covers planning activity across the surrounding area.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in NN1 1JS: £225,000 (2025–2016).

Nearby sales in NN1 1JS

Comparables

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Post Office — bus stop.

Closest school

0.8 km

Spring Lane Primary School. 32 schools nearby.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around NN1 1JS from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

57.0dB

Moderate

Night-time road noise heatmap for NN1 1JS

Night-time· 23:00 – 07:00

47.6dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Flat, 21 Castilian Street, Northampton, NN1 1JS. Each answer is also embedded as structured data for search engines.