Flat 1, 29 Colwyn Road, Northampton, NN1 3PZ
About Flat 1
Flat 1 is a mid-terrace house in Northampton (NN1 3PZ). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1900-1929 and council tax band A. At 33 m² this is the smallest unit on EPC record across the building (33–82 m²). On EPC score it ranks first in the building (49 versus a worst of 40). The latest certificate (March 2018) shows an E (score 49), well below the UK norm with real room to improve. When first surveyed in November 2008 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and main heating went from Poor to Average; while lighting dropped from Average to Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.
At 33 m² it sits well below the postcode median (88 m² across 53 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs).
Everything you need to know about Flat 1
The true value, the hidden risks and the full sale history, in one report.
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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
Wall insulation improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, 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
Flat 1 has no planning applications on record.
But the area is active
42 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£113,000
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 NN1 3PZ: £225,000 (2025–2022).
Nearby sales in NN1 3PZ
Versus other Colwyn Road homes
EPC Rating for Flat 1 lags the street by a wide margin.
EPC Rating
49 (E)
Street avg 59 (D)
Floor Area
33 m²
Street avg 54 m²
CO₂ Emissions
4.1 t/year
Street avg 3.4 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about Flat 1
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Racecourse Pavillion — bus stop.
Closest school
0.7 km
Northampton International Academy. 32 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
50.2dB
Night-time· 23:00 – 07:00
40.3dB