Flat 1, 24 Castilian Street, Northampton, NN1 1JX
About Flat 1
Flat 1 is a semi-detached house in Northampton (NN1 1JX). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 2023. At 46 m² this is the 4th smallest of 13 units on EPC record in the building, where floor areas span 38–66 m². On EPC score it ranks last in the building (69 versus a best of 80). The latest certificate (June 2023) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since June 2023. Between certificates, wall efficiency dropped from Very Good to Good. Main heating runs on electricity: electricity, unspecified tariff.
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

Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
Planning history
Flat 1 has no planning applications on record.
But the area is active
45 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.
£157,000
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 Castilian Street homes
Flat 1 is notably below the street on epc rating.
EPC Rating
69 (C)
Street avg 74 (C)
Floor Area
46 m²
Street avg 49 m²
CO₂ Emissions
1.8 t/year
Street avg 1.7 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

Similar properties nearby
16 20, Flat 7, Gold Street
NN1 1RT
10 Saxon Court, Flat 3, St Peters Street
NN1 1FD
16 Saxon Court, Flat 1, St Peters Street
NN1 1FD
16 Saxon Court, Flat 2, St Peters Street
NN1 1FD
16 Saxon Court, Flat 3, St Peters Street
NN1 1FD
16 20, Flat 4, Gold Street
NN1 1RT
16 20, Flat 3, Gold Street
NN1 1RT
16 20, Flat 6, Gold Street
NN1 1RT
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
0.1 km
Post Office — bus stop.
Closest school
0.8 km
Spring Lane Primary School. 31 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
56.6dB

Night-time· 23:00 – 07:00
47.3dB






