12 Calstock Close, Northampton, NN3 3BA
About 12 Calstock Close
12 Calstock Close is a four-bedroom detached house in Northampton (NN3 3BA). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (July 2022) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).
Untraded for 17 years, with the last transfer in April 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 138 m² the property is well over the postcode median (99 m² across 9 EPCs), placing it in the larger end of the local stock. Across 2001–2009, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £429,000 sits 95% above the 2009 sale of £220,000. On a £-per-square-foot basis, the last sale (£148/sq ft) was about 35% below the postcode norm.
What this property has
Inside
- Bedrooms4
- Bathrooms3
Everything you need to know about 12 Calstock Close
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
12 Calstock Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Planning history
12 Calstock Close has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Calstock Close saw 3 transfers in just over a decade — high turnover for the postcode.
£429,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 8 years.
£220,000
Growth on file: 3.7% per year over 8 years.
Sales timeline
23 April 2009Most recent
£220,000
-3.3%over 4 years29 July 2004
£227,500
+37.9%over 3 years3 May 2001
£165,000
Median price across the last 5 sales in NN3 3BA: £340,000 (2024–2022).
Nearby sales in NN3 3BA
Versus other Calstock Close homes
Price per m² for 12 Calstock Close lags the street by a wide margin.
Price per m²
£1,594
Street avg £3,094
Floor Area
138 m²
Street avg 98 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
6.2 t/year
Street avg 5.1 t/year
Everything you need to know about 12 Calstock Close
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dulverton Road — bus stop.
Closest school
0.5 km
Bridgewater Primary School. 22 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
56.7dB
Night-time· 23:00 – 07:00
49.1dB