10 Blackwell Scar, Darlington, DL3 8DL
About 10 Blackwell Scar
10 Blackwell Scar is a five-bedroom detached house in Darlington (DL3 8DL). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (October 2017) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in December 2013 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Poor to Good. The recommended improvements would push it to D (score 68). Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. At 147 m² it's 16.6% larger than the typical home in the postcode (126 m² median across 7 EPCs). Today's modelled estimate of £525,000 is 38.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 36.2% above the typical sold price in the postcode. Last changed hands 8 years ago, in March 2018.
What this property has
Inside
- Bedrooms5
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- Extension potentialPossible
Energy performance
10 Blackwell Scar's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
2 applications on record at 10 Blackwell Scar, Darlington, DL3 8DL
- Jun 2019ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Removal of conservatory and erection of single storey rear extension
- Documents
- 9 docs on file
- Reference
- 19/00338/FUL
- More recent applications — locked
- Loft ConversionOct 2025Decision
Unlock 10 Blackwell Scar, Darlington, DL3 8DL'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- Every decision — granted, refused or withdrawn (2 on record)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
- The 30 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
10 Blackwell Scar valuation sits well clear of the typical sold price in this postcode.
£525,000
Modelled from EPC, postcode comparables.
£380,000
Recorded with HM Land Registry.
Sales timeline
7 March 2018Most recent
£380,000
Median price across the last 5 sales in DL3 8DL: £275,000 (2020–2018).
Nearby sales in DL3 8DL
Versus other Blackwell Scar homes
EPC Rating for 10 Blackwell Scar lags the street by a wide margin.
Price per m²
£2,585
Street avg £2,031
Floor Area
147 m²
Street avg 171 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
10.0 t/year
Street avg 9.0 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Linwood Grove — bus stop.
Closest school
0.8 km
Abbey Infants' School. 19 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
50.4dB

Night-time· 23:00 – 07:00
42.0dB







