12a, Bedford Mansions, Derngate, Northampton, NN1 1US
About 12a
12a is a mid-terrace house in Northampton (NN1 1US). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1930-1949. At 43 m² this is the 20th smallest of 38 units on EPC record in the building, where floor areas span 36–69 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2013) shows a C (score 74). The rating has held steady at C across 2 certificates since October 2008. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The latest certificate is from October 2013, so improvements made since then won't be reflected.
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
12a's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Oct 2023
EPC Rating
Certificate validity
Expired on 6 October 2023
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Ventilation system changed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12a has no planning applications on record.
But the area is active
43 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£147,000
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.
Versus other Bedford Mansions homes
On co₂ emissions, 12a stands well clear of the street.
EPC Rating
74 (C)
Street avg 67 (D)
Floor Area
43 m²
Street avg 44 m²
CO₂ Emissions
1.4 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 12a
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
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Derngate Centre — bus stop.
Closest school
0.8 km
Vernon Terrace Primary School. 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
55.2dB
Night-time· 23:00 – 07:00
45.9dB