11 Adelphi Court, Darlington, DL1 4HB
About 11 Adelphi Court
11 Adelphi Court is a detached house in Darlington (DL1 4HB). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1983-1990 and council tax band A. At 49 m² this is the 9th smallest of 14 units on EPC record in the building, where floor areas span 36–60 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2025) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since January 2010. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Good and window efficiency went from Average to Good; while lighting dropped from Very Good to Good.
Energy performance
11 Adelphi Court's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
High performance glazing installed
Wall insulation upgraded
Loft insulation upgraded to recommended levels
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Planning history
11 Adelphi Court has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11 Adelphi Court has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£114,000
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 Adelphi Court homes
11 Adelphi Court outperforms the street on epc rating by a wide margin.
EPC Rating
76 (C)
Street avg 72 (C)
Floor Area
49 m²
Street avg 48 m²
CO₂ Emissions
1.2 t/year
Street avg 1.9 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Central Park — bus stop.
Closest school
0.5 km
The Rydal Academy. 27 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
52.3dB

Night-time· 23:00 – 07:00
41.4dB







