25 South Mill Road, Southampton, SO15 4JW
About 25 South Mill Road
25 South Mill Road is a three-bedroom semi-detached house in Southampton (SO15 4JW). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (June 2013) shows a C (score 72). The recommended improvements would push it to B (score 86). The latest certificate is from June 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Across 2013–2019, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £362,000 is 28.1% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£309/sq ft) was about 36.4% above the typical sold price in the postcode. One planning record on file: a loft conversion refused in 2017. Most recent transfer: November 2019 at £282,500.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
- StudyYes
- ConservatoryYes
Outside
- Private gardenRear
- DrivewayYes
Building
- Heating systemGas
Energy performance
25 South Mill Road'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This certificate is over 10 years old and is no longer valid.Expired 25 Jun 2023
EPC Rating
Certificate validity
Expired on 25 June 2023
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Planning history
1 application on record at 25 South Mill Road, Southampton, SO15 4JW
- Oct 2017Loft ConversionFullOutcome in report
Alterations to the roof to include hip to gable extension, juliet balcony, rear dormer and roof lights to facilitate loft conversion.
- Documents
- 2 docs on file
- Reference
- 17/00822/FUL
Unlock 25 South Mill Road, Southampton, SO15 4JW's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
25 South Mill Road valuation sits well clear of the typical sold price in this postcode.
£362,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 6 years.
£282,500
Growth on file: 7.7% per year over 6 years.
Sales timeline
20 November 2019Most recent
£282,500
+56.9%over 6 years1 November 2013
£180,000
Median price across the last 5 sales in SO15 4JW: £300,000 (2026–2024).
Nearby sales in SO15 4JW
9 South Mill Road, Southampton, SO15 4JW
Sold Feb 2026
£300,0002 Smyth Villas, South Mill Road, Southampton, SO15 4JW
Sold Jul 2025
£281,50039 South Mill Road, Southampton, SO15 4JW
Sold Feb 2025
£335,00037 South Mill Road, Southampton, SO15 4JW
Sold Aug 2024
£310,0001 Smyth Villas, South Mill Road, Southampton, SO15 4JW
Sold Apr 2024
£247,000
Versus other South Mill Road homes
25 South Mill Road outperforms the street on epc rating by a wide margin.
Price per m²
£3,324
Street avg £2,935
Floor Area
85 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 3.3 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
460/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
South Mill Road — bus stop.
Closest school
0.4 km
Tanners Brook Primary School. 28 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
53.1dB

Night-time· 23:00 – 07:00
44.8dB







