17 Marriott Street, Semilong, Northampton, NN2 6AW
About 17 Marriott Street
17 Marriott Street is a mid-terrace house in Semilong, Northampton, Northampton (NN2 6AW). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (September 2018) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump.
Last sale on file: £240,000 in November 2018. Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Across 1996–2018, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £265,000 is 10.4% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£164/sq ft) was about 64% above the typical sold price in the postcode.
Everything you need to know about 17 Marriott Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
17 Marriott Street'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
17 Marriott Street 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
Price for 17 Marriott Street has grown more than fourfold since the 1996 starting point.
£265,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 22 years.
£240,000
Growth on file: 6.5% per year over 22 years.
Sales timeline
28 November 2018Most recent
£240,000
+80.8%over 9 years7 January 2009
£132,750
-3.1%over 6 years3 September 2002
£137,000
+132.2%over 6 years31 July 1996
£59,000
Median price across the last 5 sales in NN2 6AW: £240,000 (2025–2013).
Nearby sales in NN2 6AW
26 Marriott Street, Semilong, Northampton, NN2 6AW
Sold Feb 2025
£125,0002 Marriott Street, Semilong, Northampton, NN2 6AW
Sold Sept 2021
£350,00025 Marriott Street, Semilong, Northampton, NN2 6AW
Sold Sept 2020
£307,10122 Marriott Street, Semilong, Northampton, NN2 6AW
Sold Mar 2016
£240,000Flat 1, 19 Marriott Street, Semilong, Northampton, NN2 6AW
Sold Mar 2013
£103,000
Versus other Marriott Street homes
EPC Rating for 17 Marriott Street lags the street by a wide margin.
Price per m²
£1,765
Street avg £1,283
Floor Area
136 m²
Street avg 185 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
7.8 t/year
Street avg 8.8 t/year
Everything you need to know about 17 Marriott Street
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
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
27/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Marriott Street — bus stop.
Closest school
0.3 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
51.1dB
Night-time· 23:00 – 07:00
41.5dB