99a, Semilong Road, Northampton, NN2 6DG
About 99a
99a is an end-of-terrace house in Northampton (NN2 6DG). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (April 2026) shows a D (score 56), a step below the typical UK home. Earlier certificates rated it C (January 2011); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Good and lighting went from Poor to Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Poor. The recommended improvements would push it to C (score 69). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 42 m² this is the 8th smallest of 56 units on EPC record in the building, where floor areas span 31–200 m². The building's EPC ratings span F to B across 56 units on file.
Everything you need to know about 99a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
99a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 10 April 2036
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
More low energy lighting installed
Heating system changed
Hot water system changed
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
99a 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
99a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£123,000
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 6DG: £235,000 (2025–2024).
Nearby sales in NN2 6DG
Versus other Semilong Road homes
99a is notably below the street on habitable rooms.
EPC Rating
56 (D)
Street avg 71 (C)
Floor Area
42 m²
Street avg 51 m²
CO₂ Emissions
0.8 t/year
Street avg 2.2 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Everything you need to know about 99a
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
The data behind every report
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
373/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Arnold Road — bus stop.
Closest school
0.4 km
Northampton International Academy. 33 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
49.9dB
Night-time· 23:00 – 07:00
40.6dB