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31 Janson Road, Southampton, SO15 5FU

EPC B3 sales on record
Property type
Semi-detached
Bedrooms
4
Bathroom
1
Floor area
133 m²
1432 sq ft
Energy rating
B
Score 82
Council tax
Band D
Tenure
Owner Occupied
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Overview

About 31 Janson Road

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

31 Janson Road is a four-bedroom semi-detached house in Southampton (SO15 5FU). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2024) returns a B (score 82), comfortably above the UK average. When first surveyed in January 2013 the rating was C, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Average.

On energy efficiency it sits in the top 10% of properties in this postcode. Across 2020–2024, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £415,000 is 11.6% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 118.8% above the typical sold price in the postcode. Most recent transfer: November 2024 at £372,000.

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

  • Bedrooms4
  • Bathrooms1
  • Dining roomYes
  • CloakroomYes
  • EnsuiteYes
  • StudyYes

Outside

  • Private gardenSouth-facing
  • ParkingOff road

Building

  • Heating systemGas
Before you decide

Everything you need to know about 31 Janson Road

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

Signs of HMO activity in the areaLarger 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.

31 Janson Road ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)
Jul 2024

EPC Rating

A
B
B82
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.3 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 2 July 2034

7 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2024from Jan 2013
EPC improved fromC70toB82
Windows
AverageGood

Window efficiency improved

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
55%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Early 20th centurySemi-Detached HouseEPC B

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 £695 · Includes VAT

Planning

Planning history

Applications and permits filed against 31 Janson Road, Southampton, SO15 5FU, sourced from the PlanIt planning register.

31 Janson Road has no planning applications on record.

29

But the area is active

29 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

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

31 Janson Road saw 3 transfers in just over a decade — high turnover for the postcode.

Current estimate

£415,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 4 years.

See how we calculated this
Last sold (2024)

£372,000

Growth on file: 4.9% per year over 4 years.

Sales timeline

  1. 8 November 2024Most recent

    £372,000

    +4.8%over 3 years

  2. 3 June 2021

    £355,000

    +17.4%over 11 months

  3. 2 July 2020

    £302,500

Median price across the last 5 sales in SO15 5FU: £365,500 (2025–2019).

On the street

Versus other Janson Road homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

31 Janson Road outperforms the street on epc rating by a wide margin.

Price per m²

£2,797

Street avg £2,150

Above

Floor Area

133 m²

Street avg 142 m²

Below

Habitable Rooms

6 rooms

Street avg 6 rooms

On par

CO₂ Emissions

2.3 t/year

Street avg 5.0 t/year

Strongly above
Before you decide

Everything you need to know about 31 Janson Road

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

Signs of HMO activity in the areaLarger 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.
£447k

1 Bourne Avenue

SO15 5NT

4 bed
£335k

1 Malmesbury Place

SO15 5FS

4 bed1 bath
£419k

1 Dawlish Avenue

SO15 5HQ

3 bed1 bath
£452k

1 Evelyn Crescent

SO15 5JF

3 bed1 bath
£376k

1 Gurney Road

SO15 5GF

3 bed1 bath
£826k

1 Bellemoor Road

SO15 5JY

4 bed2 bath
£354k

1 Bramston Road

SO15 5GH

3 bed
£487k

1 Branksome Avenue

SO15 5NX

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

Crime

460/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Grove Road — bus stop.

Closest school

0.4 km

St Mark's Church of England School. 31 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 SO15 5FU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SO15 5FU

Daytime· 07:00 – 23:00

51.6dB

Low
Night-time road noise heatmap for SO15 5FU

Night-time· 23:00 – 07:00

41.5dB

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 31 Janson Road, Southampton, SO15 5FU. Each answer is also embedded as structured data for search engines.