4 Semilong Road, Northampton, NN2 6BQ
About 4 Semilong Road
4 Semilong Road is a mid-terrace house in Northampton (NN2 6BQ). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (February 2025) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it B (December 2008); the latest reading is 2 bands lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
One planning record on file: partial demolition approved in 2007. Past consents include partial demolition, meaningful when judging how the property has evolved. At 71 m² it's 24.6% larger than the typical home in the postcode (57 m² median across 11 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).
Everything you need to know about 4 Semilong Road
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
More low energy lighting installed
Wall insulation improved
More low energy lighting installed
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
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 application on record at 4 Semilong Road, Northampton, NN2 6BQ
- Aug 2007DemolitionFullOutcome in report
Demolition of wholesale warehouse and construction of 4No. terraced properties together with renovation of 2No. dwellings.
- Documents
- 27 docs on file
- Reference
- N/2007/0618
Unlock 4 Semilong Road, Northampton, NN2 6BQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 37 notable nearby
- The 27 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
4 Semilong Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£170,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in NN2 6BQ: £122,500 (2022–2009).
Nearby sales in NN2 6BQ
Versus other Semilong Road homes
4 Semilong Road is notably below the street on epc rating.
EPC Rating
64 (D)
Street avg 74 (C)
Floor Area
71 m²
Street avg 70 m²
CO₂ Emissions
3.5 t/year
Street avg 2.3 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Everything you need to know about 4 Semilong Road
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
27/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Lower Hester Street — bus stop.
Closest school
0.2 km
Northampton International Academy. 30 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
52.9dB
Night-time· 23:00 – 07:00
43.4dB