Flat 1, 39 Semilong Road, Northampton, NN2 6BT
About Flat 1
Flat 1 is a one-bedroom detached house in Northampton (NN2 6BT). It has a recorded floor area of 40 m² (around 426 sq ft) and construction records dating it to 1900-1929. The latest certificate (December 2008) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. The latest certificate is from December 2008, so improvements made since then won't be reflected.
Untraded for 20 years, with the last transfer in January 2006. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Across 1996–2006, sale prices on this property compounded at 14.8% per year. Today's modelled estimate of £241,000 is 23.6% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 315.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Everything you need to know about Flat 1
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Dec 2018
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Flat 1 has no planning applications on record.
But the area is active
37 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1996.
£241,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.8% per year over 9 years.
£195,000
Growth on file: 14.8% per year over 9 years.
Sales timeline
6 January 2006Most recent
£195,000
+248.2%over 9 years20 December 1996
£56,000
Median price across the last 5 sales in NN2 6BT: £166,000 (2023–2020).
Nearby sales in NN2 6BT
36 Semilong Road, Northampton, NN2 6BT
Sold Apr 2023
£190,00030 Semilong Road, Northampton, NN2 6BT
Sold Mar 2023
£79,000Flat 1, 35 Semilong Road, Northampton, NN2 6BT
Sold Apr 2021
£75,000Flat 3, 35 Semilong Road, Northampton, NN2 6BT
Sold Jan 2018
£77,000Flat 2, 35 Semilong Road, Northampton, NN2 6BT
Sold Sept 2017
£91,000
Versus other Semilong Road homes
On price per m², Flat 1 stands well clear of the street.
Price per m²
£4,927
Street avg £1,977
Floor Area
40 m²
Street avg 41 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.5 t/year
Everything you need to know about Flat 1
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
Crime
27/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Marriott Street — bus stop.
Closest school
0.2 km
Northampton International Academy. 31 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
51.8dB

Night-time· 23:00 – 07:00
42.3dB






