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20 Bye Road, Swanwick, Southampton, SO31 7GX

EPC A3 planning records
Property type
Detached
Bedrooms
3
Floor area
220 m²
2368 sq ft
Energy rating
A
Score 98
Council tax
Band D
Tenure
Owner Occupied
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Overview

About 20 Bye Road

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

20 Bye Road is a three-bedroom detached house in Swanwick, Southampton, Southampton (SO31 7GX). It has a recorded floor area of 220 m² (around 2368 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2026) returns an A (score 98), the top energy band on the EPC scale. When first surveyed in January 2022 the rating was D, the property has climbed 3 bands since. Between certificates, wall efficiency went from Average to Very Good, roof efficiency went from Average to Very Good and window efficiency went from Average to Very Good; while hot-water efficiency dropped from Good to Average. Main heating runs on electricity: electricity, unspecified tariff. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory.

At 220 m² the property is well over the postcode median (115 m² across 9 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £873,000 sits 83.8% above the 2022 sale of £475,000. 3 planning records sit against the property, 0 approved, 0 refused. Sold November 2022 for £475,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • ConservatoryYes

Outside

  • Private gardenYes
  • GarageYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 20 Bye Road

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

20 Bye Road ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)
May 2026

EPC Rating

A
A98
B
C
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Average
Windows
Very Good
CO2 Emissions
0.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 6 May 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

May 2026from Jan 2022
EPC improved fromD65toA98
Heating System
Gas BoilerHeat Pump

Heat pump installed, significantly improving energy efficiency

Main Fuel
GasElectric

Changed to a more efficient fuel source

Heating Controls
FullFull Control

Heating controls upgraded for better temperature management

Hot Water
GoodAverage

Hot water efficiency decreased

Windows
Full DoubleHigh Performance

High performance glazing installed

Walls
AverageVery Good

Wall insulation improved

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centuryDetached HouseEPC A

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £1,095 · Includes VAT

Planning

Planning history

Applications and permits filed against 20 Bye Road, Swanwick, Southampton, SO31 7GX, sourced from the PlanIt planning register.

3 applications on record at 20 Bye Road, Swanwick, Southampton, SO31 7GX

3decisions1extensions22documents3nearby
  1. Mar 2010
    ConservatoryFull
    Outcome in report

    Extension: Rear of property

    Erection Of Rear Conservatory

    Extension
    Documents
    7 docs on file
    Reference
    P/10/0044/FP
    Full record in report
  2. More recent applications — locked
  3. ConditionsDecision
  4. New BuildDecision

Unlock 20 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 (3 on record)
  • All 3 applications on this property in full, plus 3 notable nearby
  • The 22 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£873,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2022)

£475,000

Recorded with HM Land Registry.

Sales timeline

  1. 24 November 2022Most recent

    £475,000

Median price across the last 5 sales in SO31 7GX: £430,000 (2024–2015).

On the street

Versus other Bye Road homes

Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 20 Bye Road runs comfortably ahead of the street norm.

Price per m²

£2,159

Street avg £3,296

Below

Floor Area

220 m²

Street avg 114 m²

Strongly above

CO₂ Emissions

0.0 t/year

Street avg 3.7 t/year

Strongly above

Years Held

4 years

Street avg 11 years

Strongly below
Before you decide

Everything you need to know about 20 Bye Road

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£609k

1 Badgers Run, Holly Hill Lane, Sarisbury Green

SO31 7AB

3 bed
£830k

1 Applewood, Park Gate

SO31 7HQ

4 bed
£421k

1 Brookfield Gardens, Sarisbury Green

SO31 7DT

3 bed1 bath
£397k

1 Bye Road, Swanwick

SO31 7GX

3 bed1 bath
£397k

1 Dormy Close, Sarisbury Green

SO31 7DD

3 bed
£704k

1 April Grove, Sarisbury Green

SO31 7SL

4 bed
£330k

1 Cecil Gardens, Sarisbury Green

SO31 7NQ

3 bed
£328k

1 Ambledale, Sarisbury Green

SO31 7BR

3 bed1 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Southampton district page.
Full Southampton report

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SO31 7GX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SO31 7GX

Daytime· 07:00 – 23:00

56.0dB

Moderate
Night-time road noise heatmap for SO31 7GX

Night-time· 23:00 – 07:00

49.9dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Bye Road, Swanwick, Southampton, SO31 7GX. Each answer is also embedded as structured data for search engines.