Top Flat, 1 Bostock Avenue, Northampton, NN1 4LW
About Top Flat
Top Flat is an end-of-terrace house in Northampton (NN1 4LW). It has a recorded floor area of 116 m² (around 1249 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2018) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 72).
One historical planning record sits against the property in 2007.
Everything you need to know about Top Flat
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Top Flat's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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 £885 · Includes VAT
Planning history
1 application on record at Top Flat, 1 Bostock Avenue, Northampton, NN1 4LW
- Oct 2007OutlineOutcome in report
Use of first floor as flat - application for a Certificate of Lawfulness for an existing use
Retrospective- Documents
- 12 docs on file
- Reference
- N/2007/1174
Unlock Top Flat, 1 Bostock Avenue, Northampton, NN1 4LW's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 65 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Top Flat has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£207,000
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
Top Flat is notably below the street on epc rating.
EPC Rating
56 (D)
Street avg 63 (D)
Floor Area
116 m²
Street avg 88 m²
CO₂ Emissions
6.5 t/year
Street avg 4.3 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Everything you need to know about Top Flat
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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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






