6 Market Street, Northampton, NN1 4BX
About 6 Market Street
6 Market Street is a mid-terrace house in Northampton (NN1 4BX). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (January 2022) shows a C (score 72). When first surveyed in November 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 88).
Untraded for 22 years, with the last transfer in December 2003. At 78 m² the property is well over the postcode median (50 m² across 37 EPCs), placing it in the larger end of the local stock. Across 1995–2003, sale prices on this property compounded at 11.7% per year. Today's modelled estimate of £188,000 sits 112.4% above the 2003 sale of £88,500. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 17.4% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and HMO conversion, meaningful when judging how the property has evolved.
Everything you need to know about 6 Market Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation upgraded
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
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Planning history
3 applications on record at 6 Market Street, Northampton, NN1 4BX
- Apr 2025HMOFullOutcome in report
Change of use from dwelling house to 4 bedroom House of Multiple Occupation (HMO)
- Documents
- 10 docs on file
- Reference
- 2025/0368/FULL
- More recent applications — locked
- HMOSept 2025Decision
- ConditionsJul 2025Decision
Unlock 6 Market Street, Northampton, NN1 4BX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 65 notable nearby
- The 28 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 1995.
£188,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.7% per year over 8 years.
£88,500
Growth on file: 11.7% per year over 8 years.
Sales timeline
11 December 2003Most recent
£88,500
+145.8%over 8 years19 October 1995
£36,000
Median price across the last 5 sales in NN1 4BX: £160,000 (2024–2017).
Nearby sales in NN1 4BX
Versus other Market Street homes
Price per m² for 6 Market Street lags the street by a wide margin.
Price per m²
£1,135
Street avg £1,675
Floor Area
78 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.7 t/year
Everything you need to know about 6 Market 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

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
St Edmund's Street — bus stop.
Closest school
0.4 km
Stimpson Avenue Academy. 29 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
52.5dB

Night-time· 23:00 – 07:00
42.6dB






