11 Blackwell Hill, Northampton, NN4 9YB
About 11 Blackwell Hill
11 Blackwell Hill is a four-bedroom detached house in Northampton (NN4 9YB). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (March 2021) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2010. Between certificates, roof efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Most recent transfer: December 2021 at £319,995. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 107 m² it's 17.7% larger than the typical home in the postcode (91 m² median across 24 EPCs). Across 1997–2021, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £372,000 is 16.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 66.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- GarageYes
Building
- RefurbishedYes
Everything you need to know about 11 Blackwell Hill
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
11 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.
Sales history & valuation
Sale price has grown by over 3x since 1997.
£372,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 24 years.
£319,995
Growth on file: 5.8% per year over 24 years.
Sales timeline
9 December 2021Most recent
£319,995
+69.3%over 15 years31 July 2006
£189,000
+0.5%29 June 2006
£188,000
+101.1%over 6 years6 December 1999
£93,500
+15.4%over 2 years30 July 1997
£81,000
Median price across the last 5 sales in NN4 9YB: £299,995 (2025–2023).
Nearby sales in NN4 9YB
Versus other Blackwell Hill homes
On co₂ emissions, 11 Blackwell Hill runs well behind the street norm.
Price per m²
£2,991
Street avg £2,611
Floor Area
107 m²
Street avg 98 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 4.2 t/year
Everything you need to know about 11 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
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Similar properties nearby
The neighbourhood at a glance
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.
Road noise across the postcode
Daytime· 07:00 – 23:00
54.4dB
Night-time· 23:00 – 07:00
46.3dB