4 Harold Street, Northampton, NN1 5QZ
About 4 Harold Street
4 Harold Street is a mid-terrace house in Northampton (NN1 5QZ). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2025) shows a C (score 71). The recommended improvements would push it to B (score 81).
Held since April 2005 — that's 21 years off the open market, well above the local norm. Across 2000–2005, sale prices on this property compounded at 11.8% per year. Today's modelled estimate of £204,000 sits 72.9% above the 2005 sale of £118,000. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). 4 planning records sit against the property, 0 approved, 0 refused.
Everything you need to know about 4 Harold Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 24 July 2035
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
4 applications on record at 4 Harold Street, Northampton, NN1 5QZ
- Dec 2017Loft ConversionFullOutcome in report
Loft conversion with dormer to rear - retrospective
Retrospective- Documents
- 33 docs on file
- Reference
- N/2017/1294
- More recent applications — locked
- Loft ConversionSept 2020Decision
- Loft ConversionJun 2019Decision
+ 1 more application in the report
Unlock 4 Harold Street, Northampton, NN1 5QZ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 47 notable nearby
- The 100 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
4 Harold Street's estimated value is more than triple its earliest registered sale price (2000).
£204,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.8% per year over 5 years.
£118,000
Growth on file: 11.8% per year over 5 years.
Sales timeline
14 April 2005Most recent
£118,000
+9.3%over 2 years16 December 2002
£107,995
+61.3%over 2 years20 March 2000
£66,950
Median price across the last 5 sales in NN1 5QZ: £185,000 (2026–2023).
Nearby sales in NN1 5QZ
Versus other Harold Street homes
Price per m² for 4 Harold Street lags the street by a wide margin.
Price per m²
£1,494
Street avg £2,387
Floor Area
79 m²
Street avg 78 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.8 t/year
Everything you need to know about 4 Harold Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Abington Square — bus stop.
Closest school
0.4 km
Vernon Terrace Primary School. 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
54.2dB

Night-time· 23:00 – 07:00
43.9dB






