Flat 1, 35 Colwyn Road, Northampton, NN1 3PZ
About Flat 1
Flat 1 is a one-bedroom end-of-terrace house in Northampton (NN1 3PZ). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2019) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in August 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average; while lighting dropped from Poor to Very Poor. The recommended improvements would push it to C (score 79). At 65 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 27–74 m². The building's EPC ratings span D to C, with this unit at the bottom. Our model identifies extension potential, subject to local planning policy.
Untraded for 20 years, with the last transfer in March 2006. At 65 m² it's 26.1% smaller than the typical home in the postcode (88 m² median across 53 EPCs). Across 1997–2006, sale prices on this property compounded at 25% per year. Today's modelled estimate of £126,000 is 26% above the 2006 sale price.
What this property has
Inside
- Bedrooms1
- Open-plan layoutYes
Building
- Central heatingYes
- Extension potentialPossible
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
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 £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
Price for Flat 1 has grown more than fourfold since the 1997 starting point.
£126,000
Modelled from EPC, postcode comparables and a sale-price growth of 25.0% per year over 9 years.
£100,000
Growth on file: 25.0% per year over 9 years.
Sales timeline
10 March 2006Most recent
£100,000
+426.3%over 9 years5 February 1997
£19,000
+46.2%16 January 1997
£13,000
Median price across the last 5 sales in NN1 3PZ: £225,000 (2025–2022).
Nearby sales in NN1 3PZ
Versus other Colwyn Road homes
Years Held for Flat 1 runs comfortably ahead of the street norm.
Price per m²
£1,538
Street avg £2,073
Floor Area
65 m²
Street avg 53 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.4 t/year
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
Similar properties nearby
28 30, Flat 3, Colwyn Road
NN1 3PZ
28 30, Flat 5, Hunter Street
NN1 3QD
18 22, Apartment 1, Dunster Street
NN1 3JY
28 30, Flat 3, Hunter Street
NN1 3QD
42a, Flat 1, Barrack Road
NN1 3RL
18 22, Apartment 11, Dunster Street
NN1 3JY
18 22, Apartment 8, Dunster Street
NN1 3JY
15a, Flat 1, Military Road
NN1 3ET
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