Flat 1, 21 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 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2018) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).
Energy performance
EPC Rating
Certificate validity
Valid until 2 September 2028
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, 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
39 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.
£168,000
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: £238,000 (2026–2023).
Nearby sales in NN1 3PZ
Versus other Colwyn Road homes
On habitable rooms, Flat 1 stands well clear of the street.
EPC Rating
61 (D)
Street avg 59 (D)
Floor Area
87 m²
Street avg 52 m²
CO₂ Emissions
4.5 t/year
Street avg 3.3 t/year
Habitable Rooms
5 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Crime
571/mo
Steady 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







