46 Brookside Avenue, Southampton, SO15 4HZ
About 46 Brookside Avenue
46 Brookside Avenue is a three-bedroom semi-detached house in Southampton (SO15 4HZ). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (January 2026) shows a C (score 69), just inside the C band. When first surveyed in April 2015 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Very Good and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.
It changed hands recently, sold March 2026 for £393,000. One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 2008–2026, sale prices on this property compounded at 4% per year. On a £-per-square-foot basis, the last sale (£365/sq ft) was about 72% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- ParkingOff road
Building
- Heating systemGas
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 3 January 2036
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
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Planning history
46 Brookside Avenue has an approved single-storey rear extension on the planning record.
1 application on record at 46 Brookside Avenue, Southampton, SO15 4HZ
- Aug 2025ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Application for a lawful development certificate for a proposed single storey rear extension.
- Documents
- 7 docs on file
- Reference
- 25/00828/PLDC
Unlock 46 Brookside Avenue, Southampton, SO15 4HZ'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- Every decision — granted, refused or withdrawn (1 on record)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 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 2008.
£385,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 18 years.
£393,000
Growth on file: 4.0% per year over 18 years.
Sales timeline
20 March 2026Most recent
£393,000
+104.7%over 18 years29 February 2008
£192,000
Median price across the last 5 sales in SO15 4HZ: £350,000 (2025–2021).
Nearby sales in SO15 4HZ
14 Brookside Avenue, Southampton, SO15 4HZ
Sold Oct 2025
£330,0002 Brookside Avenue, Southampton, SO15 4HZ
Sold Oct 2022
£420,00020 Brookside Avenue, Southampton, SO15 4HZ
Sold Feb 2022
£350,00036 Brookside Avenue, Southampton, SO15 4HZ
Sold Mar 2021
£303,00022 Brookside Avenue, Southampton, SO15 4HZ
Sold Oct 2020
£342,500
Versus other Brookside Avenue homes
46 Brookside Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£3,930
Street avg £2,391
Floor Area
100 m²
Street avg 112 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.3 t/year
Street avg 4.6 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
460/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Stanton Road — bus stop.
Closest school
0.2 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
54.0dB

Night-time· 23:00 – 07:00
45.4dB







