What type of property is 21 Blackwell Hill, NN4 9YB?

21 Blackwell Hill, NN4 9YB is a detached house.

When did 21 Blackwell Hill, NN4 9YB last change hands?

21 Blackwell Hill, NN4 9YB last sold for £150,000 in June 2012, around 14 years ago. Land Registry has 3 sales on record going back to £105,000 in March 2002. Source: HM Land Registry.

How has the value of 21 Blackwell Hill, NN4 9YB changed over time?

Across 3 sales between March 2002 and June 2012, 21 Blackwell Hill, NN4 9YB rose from £105,000 to £150,000, a change of £45,000. That works out to roughly +3.5% per year compounded over 10 years. Source: HM Land Registry.

What energy rating does 21 Blackwell Hill, NN4 9YB have?

The current EPC rating for 21 Blackwell Hill, NN4 9YB is E with a score of 50 out of 100, lodged in April 2012. The assessor estimates the property could reach a C. Source: EPC Register.

What is the floor area of 21 Blackwell Hill, NN4 9YB?

21 Blackwell Hill, NN4 9YB has a recorded floor area of 76 m² (818 sq ft). That makes it about 17% smaller than the median EPC-recorded property in NN4 9YB. Source: EPC Register.

How is 21 Blackwell Hill, NN4 9YB heated?

The latest EPC at 21 Blackwell Hill, NN4 9YB records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 21 Blackwell Hill, NN4 9YB?

21 Blackwell Hill, NN4 9YB is in council tax band C.

Where is 21 Blackwell Hill, NN4 9YB located?

21 Blackwell Hill, NN4 9YB sits in Northampton. It falls within the NN4 postcode district in Northamptonshire.

How safe is the area around 21 Blackwell Hill, NN4 9YB?

Police records around 21 Blackwell Hill, NN4 9YB show an average of 9 reported crimes per month over the last 7 months. Violent crime makes up roughly 57% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 21 Blackwell Hill, NN4 9YB?

The closest primary school to 21 Blackwell Hill, NN4 9YB is Simon de Senlis Primary School (897m), one of 15 primaries within walking distance. The closest secondary is Abbeyfield School (1.4km), with 2 secondaries in the surrounding area.

What is the nearest station to 21 Blackwell Hill, NN4 9YB?

The closest bus stop to 21 Blackwell Hill, NN4 9YB is Tideswell Close, 102m away. In total there are 30 bus stops within the surrounding area.

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21 Blackwell Hill, Northampton, NN4 9YB

3 sales on record

Property type

Detached

Habitable rooms

From EPC

Floor area

76 m²

818 sq ft

Energy rating

Score 50

Council tax

Band C

Tenure

Owner Occupied

Overview

About 21 Blackwell Hill

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

21 Blackwell Hill is a detached house in Northampton (NN4 9YB). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (April 2012) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from April 2012, so improvements made since then won't be reflected.

Across 2002–2012, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £277,000 sits 84.7% above the 2012 sale of £150,000. At 76 m² it's 17.3% smaller than the typical home in the postcode (92 m² median across 24 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Last sold in June 2012, so it's been off the market for around 14 years.

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Everything you need to know about 21 Blackwell Hill

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Energy

Energy performance

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

Recommended upgrades on file would lift this property by multiple EPC bands.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 09 Apr 2022

EPC Rating

E50

Main Heating

Gas

Main Fuel

Gas

Hot Water

Average

Windows

Very Poor

CO2 Emissions

4.9 t/year

Occupancy

Owner Occupied

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Late 20th centuryDetached HouseEPC E

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.

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Planning

Planning history

Applications and permits filed against 21 Blackwell Hill, Northampton, NN4 9YB, sourced from the PlanIt planning register.

21 Blackwell Hill has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

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

21 Blackwell Hill valuation sits well clear of the typical sold price in this postcode.

Current estimate

£277,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 10 years.

See how we calculated this

Last sold (2012)

£150,000

Growth on file: 3.5% per year over 10 years.

Sales timeline

28 June 2012Most recent
£150,000
+4.9%over 8 years
3 March 2004
£143,000
+36.2%over 1 year
15 March 2002
£105,000

Median price across the last 5 sales in NN4 9YB: £299,995 (2025–2023).

Nearby sales in NN4 9YB

On the street

Versus other Blackwell Hill homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 21 Blackwell Hill runs well behind the street norm.

Price per m²

£1,974

Street avg £2,660

Strongly below

Floor Area

76 m²

Street avg 99 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

4.9 t/year

Street avg 4.2 t/year

Below

Before you decide

Everything you need to know about 21 Blackwell Hill

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

Pick your report · every report is £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.

£295k

1 Chaser Way

NN4 9EG

4 bed2 bath

£257k

1 Dayrell Square

NN4 9RJ

£299k

1 Downy Drive

NN4 9FB

3 bed2 bath

£256k

1 Bullrush Walk

NN4 9DN

£330k

1 Canal Way

NN4 9DF

4 bed

£336k

1 Brindlestone Close

NN4 9QQ

3 bed2 bath

£340k

1 Darter Way

NN4 9EU

£350k

1 Bourton Close

NN4 9YT

4 bed

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

9/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Tideswell Close — bus stop.

Closest school

0.9 km

Simon de Senlis Primary School. 17 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 NN4 9YB from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

54.4dB

Low

Night-time road noise heatmap for NN4 9YB

Night-time· 23:00 – 07:00

46.3dB

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 21 Blackwell Hill, Northampton, NN4 9YB. Each answer is also embedded as structured data for search engines.