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21 John Street, Southampton, SO14 3DR

1 planning record

Estimated value

£406,000

  • Since the 2021 sale (£385,000)+5%
  • Against SO14 3DR's recent median (£346,500)+17%

Newest record on this page: October 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Mid terrace
Bedrooms
4
Bathrooms
3
Floor area
127 m²
1367 sq ft
Energy rating
D
Score 68
Council tax
Band D
Tenure
Freehold
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£406,000

  • Against its 2021 sale (£385,000)+5%
  • Against SO14 3DR's recent median (£346,500)+17%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 John Street is modelled from its 127 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SO14 3DR. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    127 m² from the EPC lodged in February 2015

  • Sales of this home

    2 sales recorded, the latest in 2021

  • Recent sales in SO14 3DR

    5 sales, median £346,500 (2025–2021)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: October 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 applicationFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

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

Risks

What this page doesn't show

2 potential issues have already been flagged for 21 John Street, Southampton, SO14 3DR. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About 21 John Street

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

21 John Street is a four-bedroom mid-terrace house in Southampton (SO14 3DR). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1976-1982 and council tax band D. Tenure is freehold. The latest certificate (February 2015) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected.

At 127 m² the property is well over the postcode median (57 m² across 25 EPCs), placing it in the larger end of the local stock. Across 2017–2021, sale prices on this property compounded at 7.7% per year. On a £-per-square-foot basis, the last sale (£282/sq ft) was about 17.1% above the typical sold price in the postcode. One planning record on file: HMO conversion refused in 2019. Sold November 2021 for £385,000. 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

  • Bedrooms4
  • Bathrooms3

Outside

  • Private gardenYes
  • GarageDetached

Building

  • TenureFreehold
  • Heating systemGas
  • RefurbishedYes
Before you decide

Everything you need to know about 21 John Street

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

Signs of HMO activity in the areaLarger development activity nearby

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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.

Recommended upgrades on file would lift this property by multiple EPC bands.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 25 Feb 2025

Current Certificate
Feb 2015

EPC Rating

A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.9 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 25 February 2025

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 21 John Street, Southampton, SO14 3DR, sourced from the PlanIt planning register.

1 application on record at 21 John Street, Southampton, SO14 3DR

1decisions10documents10nearby
Flagged:RetrospectiveHMO conversion
  1. Jul 2019
    HMOFull
    Outcome in report

    Change use from a dwelling house (class C3) to a house in multiple occupation (HMO, class C4) (retrospective)

    Retrospective
    Documents
    10 docs on file
    Reference
    19/00898/FUL
    Full record in report

Unlock 21 John Street, Southampton, SO14 3DR'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 10 notable nearby
  • The 10 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other John Street homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 21 John Street stands well clear of the street.

Price per m²

£3,031

Street avg £2,468

Above

Floor Area

127 m²

Street avg 103 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

3.9 t/year

Street avg 3.5 t/year

Below
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.

Crime

413/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

College Keep — bus stop.

Closest school

0.4 km

Hope Community School Southampton. 25 schools nearby.

Nearest schools

  • Hope Community School SouthamptonPrimary381m
  • St John's Primary and Nursery SchoolPrimary507m
  • St Mary's Church of England Primary School & NurseryPrimary818m
  • Woolston Infant SchoolPrimary1.7km

Nearest stops

  • College KeepBus stop68m
  • Challis CourtBus stop223m
  • Oxford StreetBus stop226m
  • Briton StreetBus stop260m

Most reported crime locally

  • Violence & Sexual Offences3,151 reports40%
  • Anti-social Behaviour817 reports10%
  • Shoplifting754 reports10%
  • Public Order588 reports7%

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 SO14 3DR from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SO14 3DR

Daytime· 07:00 – 23:00

54.5dB

Low
Night-time road noise heatmap for SO14 3DR

Night-time· 23:00 – 07:00

45.3dB

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

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryMid-Terrace HouseFreeholdEPC D

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
How the estimate is made
The estimate for 21 John Street is modelled from its 127 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SO14 3DR. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 21 John Street. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 21 John Street was lodged in February 2015 at band D and expired in February 2025, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 21 John Street. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 19 months, which places each incident at an approximate point. The 25 schools and 30 stops listed are measured in a straight line from SO14 3DR, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
21 John Street is in council tax band D. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 John Street, Southampton, SO14 3DR. Each answer is also embedded as structured data for search engines.

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