What kind of home is 21 Barnhill Square, NN3 5BB?

21 Barnhill Square, NN3 5BB is a 3-bedroom mid-terrace house, which has been extended.

What was the last sold price for 21 Barnhill Square, NN3 5BB?

21 Barnhill Square, NN3 5BB last sold for £205,000 in November 2023, around 3 years ago. Land Registry has 3 sales on record going back to £49,500 in February 2002. Source: HM Land Registry.

Has 21 Barnhill Square, NN3 5BB appreciated in value?

Across 3 sales between February 2002 and November 2023, 21 Barnhill Square, NN3 5BB rose from £49,500 to £205,000, a change of £155,500. That works out to roughly +6.7% per year compounded over 22 years. Source: HM Land Registry.

How energy efficient is 21 Barnhill Square, NN3 5BB?

The current EPC rating for 21 Barnhill Square, NN3 5BB is C with a score of 76 out of 100, lodged in May 2023. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 21 Barnhill Square, NN3 5BB?

21 Barnhill Square, NN3 5BB has a recorded floor area of 89 m² (958 sq ft), around 30 m² per bedroom. Source: EPC Register.

What heating system does 21 Barnhill Square, NN3 5BB use?

The latest EPC at 21 Barnhill Square, NN3 5BB records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 21 Barnhill Square, NN3 5BB?

21 Barnhill Square, NN3 5BB 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.

Which area is 21 Barnhill Square, NN3 5BB in?

21 Barnhill Square, NN3 5BB sits in Northampton. It falls within the NN3 postcode district.

Is 21 Barnhill Square, NN3 5BB in a safe area?

Police records around 21 Barnhill Square, NN3 5BB show an average of 461 reported crimes per month over the last 16 months. Violent crime makes up roughly 37% of reports, the most common category. The overall trend is falling (15% versus the prior period). Source: Police UK.

What schools are near 21 Barnhill Square, NN3 5BB?

The closest primary school to 21 Barnhill Square, NN3 5BB is Woodvale Primary Academy (885m), one of 19 primaries within walking distance. The closest secondary is Northampton School (1.5km), with 7 secondaries in the surrounding area.

How well connected is 21 Barnhill Square, NN3 5BB?

The closest bus stop to 21 Barnhill Square, NN3 5BB is Donellan Green, 134m away. In total there are 30 bus stops within the surrounding area.

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21 Barnhill Square, Northampton, NN3 5BB

3 sales on record

Property type

Mid terrace

Bedrooms

Bathroom

Floor area

89 m²

958 sq ft

Energy rating

Score 76

Council tax

Band A

Tenure

Owner Occupied

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Overview

About 21 Barnhill Square

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

21 Barnhill Square is a three-bedroom mid-terrace house in Northampton (NN3 5BB). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (May 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 3 certificates since July 2009. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 89). Records show the property has been extended at some point in its history.

Across 2002–2023, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 115.1% above the typical sold price in the postcode. Most recent transfer: November 2023 at £205,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms3
Bathrooms1
Dining roomYes

Outside

ParkingOff road

Building

Previously extendedYes
RefurbishedYes

Before you decide

Everything you need to know about 21 Barnhill Square

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

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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.

Current Certificate(1 of 3)

May 2023

EPC Rating

C76

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

2.3 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 30 May 2033

6 years remaining

Property Improvements

Changes detected from historical EPC data

Mar 2018from Jul 2009

Hot Water

Very GoodGood

Hot water efficiency decreased

May 2023from Mar 2018

Roof

AverageGood

Roof insulation improved

Low Energy Lighting

22%45%

More low energy lighting installed

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Level 2 HomeBuyer Report

Late 20th centuryMid-Terrace HouseEPC C

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 Barnhill Square, Northampton, NN3 5BB, sourced from the PlanIt planning register.

21 Barnhill Square has no planning applications on record.

But the area is active

4 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.

Price for 21 Barnhill Square has grown more than fourfold since the 2002 starting point.

Current estimate

£220,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 22 years.

See how we calculated this

Last sold (2023)

£205,000

Growth on file: 6.7% per year over 22 years.

Sales timeline

30 November 2023Most recent
£205,000
+36.7%over 5 years
28 March 2018
£150,000
+203.0%over 16 years
15 February 2002
£49,500

Median price across the last 5 sales in NN3 5BB: £188,000 (2023–2017).

Nearby sales in NN3 5BB

On the street

Versus other Barnhill Square homes

Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 21 Barnhill Square stands well clear of the street.

Price per m²

£2,303

Street avg £1,552

Strongly above

Floor Area

89 m²

Street avg 98 m²

Above

Habitable Rooms

5 rooms

Street avg 5 rooms

Above

CO₂ Emissions

2.3 t/year

Street avg 3.3 t/year

Strongly above

Before you decide

Everything you need to know about 21 Barnhill Square

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

Signs of HMO activity in the area

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.

£223k

1 Brackenfield Square

NN3 5AS

3 bed1 bath

£216k

1 Duckworth Dell

NN3 5DG

3 bed1 bath

£252k

1 Alvis Court

NN3 5JL

3 bed1 bath

£253k

1 Allard Close

NN3 5LY

3 bed

£189k

1 Crowthorp Road

NN3 5DU

3 bed

£356k

1 Berrydale

NN3 5EQ

3 bed

£234k

1 Barnhill Square

NN3 5BB

4 bed3 bath

£190k

1 Barley Hill Road

NN3 5JR

2 bed1 bath

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

461/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Donellan Green — bus stop.

Closest school

0.9 km

Woodvale Primary Academy. 26 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 NN3 5BB from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

51.6dB

Low

Night-time road noise heatmap for NN3 5BB

Night-time· 23:00 – 07:00

41.7dB

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 Barnhill Square, Northampton, NN3 5BB. Each answer is also embedded as structured data for search engines.