What type of property is 4b, Castilian Street, NN1 1JX?

4b, Castilian Street, NN1 1JX is a mid-terrace house.

What is the EPC rating for 4b, Castilian Street, NN1 1JX?

The current EPC rating for 4b, Castilian Street, NN1 1JX is C with a score of 73 out of 100, lodged in January 2024. It has improved from a D recorded in January 2014. Source: EPC Register.

What is the floor area of 4b, Castilian Street, NN1 1JX?

4b, Castilian Street, NN1 1JX has a recorded floor area of 47 m² (506 sq ft). Source: EPC Register.

How is 4b, Castilian Street, NN1 1JX heated?

The latest EPC at 4b, Castilian Street, NN1 1JX records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 4b, Castilian Street, NN1 1JX?

4b, Castilian Street, NN1 1JX is in council tax band A. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Where is 4b, Castilian Street, NN1 1JX located?

4b, Castilian Street, NN1 1JX sits in Northampton. It falls within the NN1 postcode district.

What is crime like near 4b, Castilian Street, NN1 1JX?

Police records around 4b, Castilian Street, NN1 1JX show an average of 571 reported crimes per month over the last 16 months. Violent crime makes up roughly 32% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 4b, Castilian Street, NN1 1JX?

The closest primary school to 4b, Castilian Street, NN1 1JX is Spring Lane Primary School (835m), one of 26 primaries within walking distance. The closest secondary is Northampton International Academy (996m), with 5 secondaries in the surrounding area.

What transport links are near 4b, Castilian Street, NN1 1JX?

The closest bus stop to 4b, Castilian Street, NN1 1JX is Post Office, 89m away. The nearest bus option is Northampton Bus Interchange, 454m away.

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4b, Castilian Street, Northampton, NN1 1JX

Property type

Mid terrace

Floor 01

Habitable rooms

From EPC

Floor area

47 m²

506 sq ft

Energy rating

Score 73

Council tax

Band A

Tenure

Owner Occupied

Get directions

Overview

About 4b

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

4b is a mid-terrace house in Northampton (NN1 1JX). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (January 2024) shows a C (score 73). When first surveyed in January 2014 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good; while hot-water efficiency dropped from Very Good to Good. At 47 m² this is the 8th smallest of 17 units on EPC record in the building, where floor areas span 38–66 m².

Before you decide

Everything you need to know about 4b

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

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The data behind every report

Energy

Energy performance

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

Current Certificate(1 of 2)

Jan 2024

EPC Rating

C73

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Good

CO2 Emissions

1.8 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 9 January 2034

7 years remaining

Property Improvements

Changes detected from historical EPC data

Jan 2024from Jan 2014

EPC improved fromD67toC73

Hot Water

Very GoodGood

Hot water efficiency decreased

Windows

Partial DoubleFull Double

Windows upgraded, improving insulation

Get a survey for this property

Level 3 Building Survey

Victorian-era1st Floor FlatEPC CPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 4b, Castilian Street, Northampton, NN1 1JX, sourced from the PlanIt planning register.

4b has no planning applications on record.

But the area is active

43 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

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

4b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£126,000

Modelled from EPC, postcode comparables.

See how we calculated this

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.

On the street

Versus other Castilian Street homes

Four headline reads against 16 similar flats on this street, drawn from the latest EPC and Land Registry data.

EPC Rating

73 (C)

Street avg 73 (C)

On par

Floor Area

47 m²

Street avg 49 m²

On par

CO₂ Emissions

1.8 t/year

Street avg 1.7 t/year

On par

Habitable Rooms

2 rooms

Street avg 2 rooms

On par

Before you decide

Everything you need to know about 4b

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · from £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£128k

1 Emerald Way

NN1 1EX

£133k

1 Bedford Mansions, Derngate

NN1 1US

£118k

10 Emerald Way

NN1 1EX

£141k

10 Bedford Mansions, Derngate

NN1 1US

£142k

10 Saxon Court, Flat 1, St Peters Street

NN1 1FD

Flat

£143k

1 Tollhouses, Cattle Market Road

NN1 1HW

£110k

1 St Peters Court, St Peters Street

NN1 1SH

1 bed

£145k

10 Pen Court

NN1 1EP

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Northampton district page.

Full Northampton report

Crime

571/mo

Steady 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. 31 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

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

Daytime· 07:00 – 23:00

56.6dB

Moderate

Night-time road noise heatmap for NN1 1JX

Night-time· 23:00 – 07:00

47.3dB

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 4b, Castilian Street, Northampton, NN1 1JX. Each answer is also embedded as structured data for search engines.