21 Dene Road, Ashurst, Southampton, SO40 7BL
About 21 Dene Road
21 Dene Road is a three-bedroom detached house in Ashurst, Southampton, Southampton (SO40 7BL). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (September 2018) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2012. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Average to Good and lighting went from Poor to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79). The home occupies a cul-de-sac position.
At 165 m² the property is well over the postcode median (115 m² across 11 EPCs), placing it in the larger end of the local stock. Across 2007–2019, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £754,000 is 34.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 17.1% below the postcode norm. Most recent transfer: March 2019 at £560,000. One historical planning record sits against the property in 2020.
What this property has
Inside
- Bedrooms3
- Utility roomYes
Outside
- Private gardenRear
- GarageYes
- Cul-de-sacYes
Energy performance
EPC Rating
Certificate validity
Valid until 17 September 2028
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
1 application on record at 21 Dene Road, Ashurst, Southampton, SO40 7BL
- Feb 2020OutbuildingFullOutcome in report
Retention of 1no outbuilding
Retrospective- Documents
- 19 docs on file
- Reference
- 20/00014
Unlock 21 Dene Road, Ashurst, Southampton, SO40 7BL'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- Every decision — granted, refused or withdrawn (1 on record)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 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Dene Road valuation sits well clear of the typical sold price in this postcode.
£754,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.3% per year over 12 years.
£560,000
Growth on file: 2.3% per year over 12 years.
Sales timeline
15 March 2019Most recent
£560,000
+19.1%over 6 years13 September 2012
£470,000
+9.3%over 5 years13 June 2007
£430,000
Median price across the last 5 sales in SO40 7BL: £575,000 (2025–2024).
Nearby sales in SO40 7BL
1 Dene Road, Ashurst, Southampton, SO40 7BL
Sold Sept 2025
£700,00027 Dene Road, Ashurst, Southampton, SO40 7BL
Sold Jun 2025
£550,00011 Dene Road, Ashurst, Southampton, SO40 7BL
Sold Jul 2024
£595,00013 Dene Road, Ashurst, Southampton, SO40 7BL
Sold Jun 2024
£540,0009 Dene Road, Ashurst, Southampton, SO40 7BL
Sold May 2024
£575,000
Versus other Dene Road homes
21 Dene Road is notably below the street on price per m².
Price per m²
£3,394
Street avg £4,946
Floor Area
165 m²
Street avg 128 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.4 t/year
Street avg 7.1 t/year
Similar properties nearby
1 Fir Road, Ashurst
SO40 7AZ
1 Busketts Way, Ashurst
SO40 7AE
1 Ash Road, Ashurst
SO40 7AT
1 Chestnut Drive, Ashurst
SO40 7DW
1 Dene Way, Ashurst
SO40 7BZ
1 Foxhills, Ashurst
SO40 7ED
1 Denbigh Close, Totton
SO40 7QD
1 Copsewood Road, Ashurst
SO40 7DL
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
229/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Dene Way — bus stop.
Closest school
0.7 km
Foxhills Junior School. 8 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
48.3dB

Night-time· 23:00 – 07:00
40.3dB







