21 Bostock Avenue, Northampton, NN1 4LW
About 21 Bostock Avenue
21 Bostock Avenue is a three-bedroom mid-terrace house in Northampton (NN1 4LW). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2025) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2012. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 80). Other recorded features include a conservatory and a basement. Period features are noted in the property record. Records show the property has been extended at some point in its history.
At 152 m² it's 16% larger than the typical home in the postcode (131 m² median across 37 EPCs).
What this property has
Inside
- Bedrooms3
- Bathrooms3
- CloakroomYes
- EnsuiteYes
- BasementYes
- ConservatoryYes
Building
- Period featuresYes
- Previously extendedYes
Everything you need to know about 21 Bostock Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Bostock Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
21 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
21 Bostock Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£296,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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
21 Bostock Avenue is notably below the street on habitable rooms.
EPC Rating
58 (D)
Street avg 59 (D)
Floor Area
152 m²
Street avg 148 m²
CO₂ Emissions
7.5 t/year
Street avg 7.2 t/year
Habitable Rooms
5 rooms
Street avg 7 rooms
Everything you need to know about 21 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






