9 Blackwell End, Potterspury, Towcester, NN12 7QE
About 9 Blackwell End
9 Blackwell End is a two-bedroom semi-detached house in Potterspury, Towcester, Towcester (NN12 7QE). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (August 2020) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Last sale on file: £272,500 in December 2020. Across the public record there are 4 sales, relatively high churn for a single property. Across 2009–2020, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£357/sq ft) was about 86.9% above the typical sold price in the postcode.
Know exactly what you're buying at 9 Blackwell End
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
- DrivewayYes
- Summer houseYes
Building
- Central heatingYes
- RefurbishedYes
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
Heating controls upgraded for better temperature management
Hot water efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
9 Blackwell End has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Blackwell End
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
9 Blackwell End has more than doubled in price since the earliest registered sale in 2009.
£293,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 11 years.
£272,500
Growth on file: 7.4% per year over 11 years.
Sales timeline
17 December 2020Most recent
£272,500
+0.9%over 3 years8 December 2017
£270,000
+58.8%over 7 years10 June 2010
£170,000
+41.7%over 11 months2 July 2009
£120,000
Median price across the last 5 sales in NN12 7QE: £255,000 (2025–2024).
Nearby sales in NN12 7QE
23a, Blackwell End, Potterspury, Towcester, NN12 7QE
Sold Jul 2025
£250,00054 Blackwell End, Potterspury, Towcester, NN12 7QE
Sold Dec 2024
£222,50040 Blackwell End, Potterspury, Towcester, NN12 7QE
Sold Sept 2024
£435,0008 Blackwell End, Potterspury, Towcester, NN12 7QE
Sold Jul 2024
£265,00052 Blackwell End, Potterspury, Towcester, NN12 7QE
Sold Jul 2024
£255,000
Everything we know about 9 Blackwell End, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Blackwell End homes
On price per m², 9 Blackwell End stands well clear of the street.
Price per m²
£3,838
Street avg £2,816
Floor Area
71 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.3 t/year
Similar properties nearby
1 Browns Wood Drive, Potterspury
NN12 7PL
1 Cooper Close
NN12 7AN
1 Church Lane, Grafton Regis
NN12 7SS
1 Druce End, Yardley Gobion
NN12 7XG
1 Elmfield Close, Potterspury
NN12 7PE
1 Bakers Lane, Shutlanger
NN12 7RT
1 Church Lane, Potterspury
NN12 7PU
1 Campbell Close
NN12 7AW
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blackwell End — bus stop.
Closest school
0.5 km
John Hellins Primary School. 2 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
46.9dB

Night-time· 23:00 – 07:00
38.9dB