21 Cooper Road, Ashurst, Southampton, SO40 7DB
About 21 Cooper Road
21 Cooper Road is a three-bedroom detached house in Ashurst, Southampton, Southampton (SO40 7DB). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2012) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.
At 95 m² it's 15.2% smaller than the typical home in the postcode (112 m² median across 4 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in November 2015, so it's been off the market for around 11 years. Across 2013–2015, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £482,000 is 35.8% above the 2015 sale price.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- GarageDetached
- Corner plotYes
Building
- Extension potentialPossible
Energy performance
21 Cooper Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 Sept 2022
EPC Rating
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Planning history
2 applications on record at 21 Cooper Road, Ashurst, Southampton, SO40 7DB
- Dec 2016ExtensionFullOutcome in report
Extension: Single storey
First floor extensions; extension to existing dormer window; new dormer window; single storey extension
- Documents
- 6 docs on file
- Reference
- 16/00919
- More recent applications — locked
- ExtensionMay 2017Decision
Unlock 21 Cooper Road, Ashurst, Southampton, SO40 7DB'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- Every decision — granted, refused or withdrawn (2 on record)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 2 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Cooper Road valuation sits well clear of the typical sold price in this postcode.
£482,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 3 years.
£355,000
Growth on file: 8.7% per year over 3 years.
Sales timeline
20 November 2015Most recent
£355,000
+25.9%over 2 years15 February 2013
£282,000
Median price across the last 5 sales in SO40 7DB: £520,000 (2024–2018).
Nearby sales in SO40 7DB
3 Cooper Road, Ashurst, Southampton, SO40 7DB
Sold Aug 2024
£575,00011 Cooper Road, Ashurst, Southampton, SO40 7DB
Sold Jun 2021
£520,00015 Cooper Road, Ashurst, Southampton, SO40 7DB
Sold Mar 2021
£525,0007 Cooper Road, Ashurst, Southampton, SO40 7DB
Sold Jan 2013
£340,0001 Cooper Road, Ashurst, Southampton, SO40 7DB
Sold May 1998
£110,000
Versus other Cooper Road homes
On epc rating, 21 Cooper Road runs well behind the street norm.
Price per m²
£3,737
Street avg £4,694
Floor Area
95 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 3.8 t/year
Similar properties nearby
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1 Busketts Way, Ashurst
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Dene Way — bus stop.
Closest school
0.5 km
Foxhills Junior School. 9 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
47.8dB

Night-time· 23:00 – 07:00
39.8dB







