Flat 1, 53 Derngate, Northampton, NN1 1UE
About Flat 1
Flat 1 is a detached house in Northampton (NN1 1UE). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band A. At 47 m² this is the largest unit on EPC record across the building (37–47 m²). The building's EPC ratings span E to C across 4 units on file. The latest certificate (August 2015) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it B (September 2010); the latest reading is 2 bands lower. Between certificates, wall efficiency went from Good to Very Good and window efficiency went from Good to Very Good; while hot-water efficiency dropped from Very Good to Very Poor and main heating dropped from Very Good to Very Poor. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from August 2015, so improvements made since then won't be reflected.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved. At 47 m² it's 27% larger than the typical home in the postcode (37 m² median across 40 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs).
Energy performance
Flat 1's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Aug 2025
EPC Rating
Certificate validity
Expired on 4 August 2025
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
High performance glazing installed
Wall insulation upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
2 applications on record at Flat 1, 53 Derngate, Northampton, NN1 1UE
- Aug 2008Change of UseOutcome in report
Change of use from Architects office (Class A2) to dwelling (Class C3). (WNDC Consultation)
- Documents
- 14 docs on file
- Reference
- N/2008/0717
- More recent applications — locked
- Change of UseAug 2010Decision
Unlock Flat 1, 53 Derngate, Northampton, NN1 1UE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 43 notable nearby
- The 36 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£123,000
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 1UE: £300,000 (2026–2024).
Nearby sales in NN1 1UE
43 Derngate, Northampton, NN1 1UE
Sold Apr 2026
£300,0006 Derngate Place, Derngate, Northampton, NN1 1UE
Sold Oct 2025
£180,00035 Derngate, Northampton, NN1 1UE
Sold Jul 2025
£350,0001 Derngate Place, Derngate, Northampton, NN1 1UE
Sold Jun 2025
£260,00037 Derngate, Northampton, NN1 1UE
Sold Oct 2024
£3,600,000
Versus other Derngate homes
On floor area, Flat 1 stands well clear of the street.
EPC Rating
57 (D)
Street avg 78 (C)
Floor Area
47 m²
Street avg 39 m²
CO₂ Emissions
2.6 t/year
Street avg 1.1 t/year
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The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Derngate Centre — bus stop.
Closest school
0.9 km
Vernon Terrace 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
56.2dB

Night-time· 23:00 – 07:00
46.9dB







