21 Clare Avenue, Darlington, DL3 8SJ
About 21 Clare Avenue
21 Clare Avenue is a three-bedroom detached house in Darlington (DL3 8SJ). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1967-1975 and council tax band D. Other recorded features include attached land beyond the plot. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The latest certificate (September 2013) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved. Across 2016–2023, sale prices on this property compounded at 1.9% per year. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 37.6% above the typical sold price in the postcode. At 97 m² it's 19.2% smaller than the typical home in the postcode (120 m² median across 11 EPCs). Most recent transfer: May 2023 at £265,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- GarageDouble
- LandYes
Building
- Heating systemGas
- Previously extendedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Sept 2023
EPC Rating
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Planning history
Multiple extension applications run across more than a decade of planning history at 21 Clare Avenue.
4 applications on record at 21 Clare Avenue, Darlington, DL3 8SJ
- Apr 2006ExtensionFullOutcome in report
Application to extend existing garage
- Reference
- 06/00232/FUL
- More recent applications — locked
- Garage ConversionSept 2024Decision
- ExtensionNov 2017Decision
+ 1 more application in the report
Unlock 21 Clare Avenue, Darlington, DL3 8SJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Clare Avenue valuation sits well clear of the typical sold price in this postcode.
£267,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 7 years.
£265,000
Growth on file: 1.9% per year over 7 years.
Sales timeline
30 May 2023Most recent
£265,000
+13.7%over 6 years14 June 2016
£233,000
Median price across the last 5 sales in DL3 8SJ: £250,000 (2022–2020).
Nearby sales in DL3 8SJ
Versus other Clare Avenue homes
On years held, 21 Clare Avenue runs well behind the street norm.
Price per m²
£2,732
Street avg £1,937
Floor Area
97 m²
Street avg 130 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 6.7 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
0.3 km
Swaledale Avenue — bus stop.
Closest school
0.2 km
Carmel College. 20 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
49.9dB

Night-time· 23:00 – 07:00
39.9dB







