11 Castlebay Court, Darlington, DL1 3RF
About 11 Castlebay Court
11 Castlebay Court is a one-bedroom semi-detached house in Darlington (DL1 3RF). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (February 2014) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 91). The latest certificate is from February 2014, so improvements made since then won't be reflected.
Across 2006–2014, sale prices on this property compounded at -2.9% per year. Today's modelled estimate of £121,000 sits 59.2% above the 2014 sale of £76,000. At 43 m² it sits well below the postcode median (66 m² across 12 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved. On the market in April 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms1
- Dining roomYes
Outside
- Private gardenYes
- ParkingYes
Everything you need to know about 11 Castlebay Court
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Energy performance
11 Castlebay Court'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This certificate is over 10 years old and is no longer valid.Expired 25 Feb 2024
EPC Rating
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Planning history
11 Castlebay Court has an approved single-storey side and rear extension on the planning record.
1 application on record at 11 Castlebay Court, Darlington, DL1 3RF
- May 2014ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
Erection of single storey side and rear extension
- Documents
- 8 docs on file
- Reference
- 14/00260/FUL
Unlock 11 Castlebay Court, Darlington, DL1 3RF's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
£121,000
Modelled from EPC, postcode comparables and a sale-price growth of -2.9% per year over 8 years.
£76,000
Growth on file: -2.9% per year over 8 years.
Sales timeline
16 April 2014Most recent
£76,000
-20.0%over 7 years28 August 2006
£95,000
Median price across the last 5 sales in DL1 3RF: £135,000 (2025–2019).
Nearby sales in DL1 3RF
Versus other Castlebay Court homes
On floor area, 11 Castlebay Court runs well behind the street norm.
Price per m²
£1,767
Street avg £1,766
Floor Area
43 m²
Street avg 67 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.5 t/year
Everything you need to know about 11 Castlebay Court
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Caledonian Way — bus stop.
Closest school
0.4 km
Whinfield Primary School. 13 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
48.1dB
Night-time· 23:00 – 07:00
39.9dB