15 Bostock Avenue, Northampton, NN1 4LW
About 15 Bostock Avenue
15 Bostock Avenue is a mid-terrace house in Northampton (NN1 4LW). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to before 1900. At 65 m² this is the smallest unit on EPC record across the building (65–223 m²). The building's EPC ratings span G to C, with this unit at the top. The latest certificate (August 2023) shows a C (score 69), just inside the C band. When first surveyed in March 2013 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good.
At 65 m² it sits well below the postcode median (133 m² across 37 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). Sold January 2019 for £103,000. Across the public record there are 6 sales, relatively high churn for a single property. Across 2001–2019, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £128,000 is 24.3% above the 2019 sale price.
Everything you need to know about 15 Bostock Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Windows upgraded, improving insulation
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
15 Bostock Avenue has no planning applications on record.
But the area is active
65 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
15 Bostock Avenue has more than doubled in price since the earliest registered sale in 2001.
£128,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 18 years.
£103,000
Growth on file: 4.9% per year over 18 years.
Sales timeline
25 January 2019Most recent
£103,000
+25.6%over 4 years21 August 2014
£82,000
-11.4%over 8 years8 August 2006
£92,500
+20.1%over 2 years28 August 2003
£77,000
+33.9%over 1 year18 October 2001
£57,500
+32.2%over 9 months19 January 2001
£43,500
Median price across the last 5 sales in NN1 4LW: £315,000 (2025–2022).
Nearby sales in NN1 4LW
26 Bostock Avenue, Northampton, NN1 4LW
Sold Mar 2025
£300,0003 Bostock Avenue, Northampton, NN1 4LW
Sold Dec 2024
£250,00028 Bostock Avenue, Northampton, NN1 4LW
Sold Sept 2022
£330,00012 Bostock Avenue, Northampton, NN1 4LW
Sold Aug 2022
£395,00035 Bostock Avenue, Northampton, NN1 4LW
Sold Aug 2022
£315,000
Versus other Bostock Avenue homes
15 Bostock Avenue outperforms the street on epc rating by a wide margin.
EPC Rating
69 (C)
Street avg 59 (D)
Floor Area
65 m²
Street avg 105 m²
CO₂ Emissions
2.6 t/year
Street avg 5.6 t/year
Habitable Rooms
2 rooms
Street avg 4 rooms
Everything you need to know about 15 Bostock Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Melbourne Street — bus stop.
Closest school
0.2 km
Stimpson Avenue Academy. 30 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
52.6dB
Night-time· 23:00 – 07:00
42.8dB