12 Bye Road, Swanwick, Southampton, SO31 7GX
About 12 Bye Road
12 Bye Road is a detached house in Swanwick, Southampton, Southampton (SO31 7GX). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2026) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 74). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since April 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £452,000 sits 156.1% above the 2002 sale of £176,500. On a £-per-square-foot basis, the last sale (£141/sq ft) was about 32% below the postcode norm. 2 planning records sit against the property, 0 approved, 0 refused.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 22 July 2036
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
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Planning history
2 applications on record at 12 Bye Road, Swanwick, Southampton, SO31 7GX
- Sept 2002FullOutcome in report
Erection Of Front And Rear Dormer Windows
- Documents
- 5 docs on file
- Reference
- P/02/0938/FP
- More recent applications — locked
- ExtensionFeb 2012Decision
Unlock 12 Bye Road, Swanwick, Southampton, SO31 7GX'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- Every decision — granted, refused or withdrawn (2 on record)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 3 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Bye Road valuation sits well clear of the typical sold price in this postcode.
£452,000
Modelled from EPC, postcode comparables.
£176,500
Recorded with HM Land Registry.
Sales timeline
18 April 2002Most recent
£176,500
Median price across the last 5 sales in SO31 7GX: £475,000 (2024–2019).
Nearby sales in SO31 7GX
25 Bye Road, Swanwick, Southampton, SO31 7GX
Sold Apr 2024
£740,00020 Bye Road, Swanwick, Southampton, SO31 7GX
Sold Nov 2022
£475,0001 Bye Road, Swanwick, Southampton, SO31 7GX
Sold Jun 2021
£315,00011 Bye Road, Swanwick, Southampton, SO31 7GX
Sold Apr 2019
£430,0002 Bye Road, Swanwick, Southampton, SO31 7GX
Sold Nov 2015
£300,000
Versus other Bye Road homes
On price per m², 12 Bye Road runs well behind the street norm.
Price per m²
£1,522
Street avg £3,375
Floor Area
116 m²
Street avg 125 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
233/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Swanwick Shore Road — bus stop.
Closest school
1.2 km
Sarisbury Church of England 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
56.0dB

Night-time· 23:00 – 07:00
49.9dB







