14 Semilong Road, Northampton, NN2 6BH
About 14 Semilong Road
14 Semilong Road is an end-of-terrace house in Northampton (NN2 6BH). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (December 2025) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in February 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 79).
Across 1996–2022, sale prices on this property compounded at 9.2% per year. Today's modelled estimate of £222,000 is 22.1% below the 2022 sale of £285,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£245/sq ft) was about 151.1% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include HMO conversion, meaningful when judging how the property has evolved. At 108 m² it's 28.9% smaller than the typical home in the postcode (152 m² median across 5 EPCs). Most recent transfer: November 2022 at £285,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 14 Semilong Road
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

Energy performance
EPC Rating
Certificate validity
Valid until 5 December 2035
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Heating controls upgraded for better temperature management
Loft insulation installed or upgraded to 250mm+
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
3 applications on record at 14 Semilong Road, Northampton, NN2 6BH
- Jul 2013New BuildFullOutcome in report
Erection of terraced dwelling.
- Documents
- 26 docs on file
- Reference
- N/2013/0607
- More recent applications — locked
- HMOJun 2015Decision
- New BuildAug 2014Decision
Unlock 14 Semilong Road, Northampton, NN2 6BH'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 37 notable nearby
- The 56 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Latest sale on 14 Semilong Road was the highest on Land Registry record across the postcode.
£222,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.2% per year over 26 years.
£285,000
Growth on file: 9.2% per year over 26 years.
Sales timeline
7 November 2022Most recent
£285,000
+882.8%over 26 years30 October 1996
£29,000
Median price across the last 5 sales in NN2 6BH: £180,000 (2026–2015).
Nearby sales in NN2 6BH
Versus other Semilong Road homes
Price per m² for 14 Semilong Road runs comfortably ahead of the street norm.
Price per m²
£2,639
Street avg £1,264
Floor Area
108 m²
Street avg 152 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
4.7 t/year
Street avg 7.5 t/year
Everything you need to know about 14 Semilong Road
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

Similar properties nearby
The neighbourhood at a glance
Crime
373/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Marriott 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
52.4dB

Night-time· 23:00 – 07:00
43.0dB






