First Floor Flat, 41 Semilong Road, Northampton, NN2 6BT
About First Floor Flat
First Floor Flat is a mid-terrace house in Northampton (NN2 6BT). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (January 2014) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from January 2014, so improvements made since then won't be reflected.
Across 2002–2017, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £121,000 sits 66.9% above the 2017 sale of £72,500. On a £-per-square-foot basis, the last sale (£160/sq ft) was about 32.8% above the typical sold price in the postcode. On the market in September 2017 and unlisted since — roughly 9 years.
Everything you need to know about First Floor Flat
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
First Floor Flat's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Jan 2024
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 £820 · Includes VAT
Planning history
First Floor Flat 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
First Floor Flat has more than doubled in price since the earliest registered sale in 2002.
£121,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 15 years.
£72,500
Growth on file: 5.1% per year over 15 years.
Sales timeline
6 September 2017Most recent
£72,500
+113.2%over 15 years18 July 2002
£34,000
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
Habitable Rooms for First Floor Flat runs comfortably ahead of the street norm.
Price per m²
£1,726
Street avg £2,206
Floor Area
42 m²
Street avg 41 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.5 t/year
Everything you need to know about First Floor 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
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






