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21 Chetwynd Drive, Southampton, SO16 3HY

1 planning record

Estimated value

£646,000

  • Since the 2023 sale (£630,000)+3%
  • Against SO16 3HY's recent median (£557,555)+16%

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

Learn about this valuation
Property type
Detached
Bedrooms
5
Bathrooms
2
Floor area
196 m²
2110 sq ft
Energy rating
C
Score 71
Council tax
Band F
Tenure
Owner Occupied
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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

£646,000

  • Against its 2023 sale (£630,000)+3%
  • Against SO16 3HY's recent median (£557,555)+16%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Chetwynd Drive is modelled from its 196 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SO16 3HY. 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

    196 m² from the EPC lodged in November 2022

  • Sales of this home

    2 sales recorded, the latest in 2023

  • Recent sales in SO16 3HY

    5 sales, median £557,555 (2025–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: May 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.

Latest sale on 21 Chetwynd Drive was the highest on Land Registry record across the postcode.

Sales timeline

  1. 29 June 2023Most recent

    £630,000

    +28.6%over 5 years

  2. 5 January 2018

    £490,000

Median price across the last 5 sales in SO16 3HY: £557,555 (2025–2019).

Risks

What this page doesn't show

1 potential issue has already been flagged for 21 Chetwynd Drive, Southampton, SO16 3HY. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 21 Chetwynd Drive

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

21 Chetwynd Drive is a five-bedroom detached house in Southampton (SO16 3HY). It has a recorded floor area of 196 m² (around 2110 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (November 2022) shows a C (score 71). When first surveyed in July 2017 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and hot-water efficiency went from Average to Good; while wall efficiency dropped from Good to Average and lighting dropped from Average to Poor. Other recorded features include a conservatory. Period features are noted in the property record.

At 196 m² the property is well over the postcode median (140 m² across 13 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. 5 bedrooms is on the larger side for this postcode, where 4 is the typical count. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. Across 2018–2023, sale prices on this property compounded at 4.7% per year. Sold June 2023 for £630,000.

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

  • Bedrooms5
  • Bathrooms2
  • CloakroomYes
  • EnsuiteYes
  • ConservatoryYes

Outside

  • Private gardenWest-facing
  • GarageIntegral

Building

  • Period featuresYes
Before you decide

Everything you need to know about 21 Chetwynd Drive

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

Signs of HMO activity in the area

Pick your report · from £14.99

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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.

21 Chetwynd Drive ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)
Nov 2022

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.5 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 25 November 2032

6 years remaining

Property Improvements

Changes detected from historical EPC data

Nov 2022from Jul 2017
EPC improved fromD59toC71
Hot Water
AverageGood

Hot water efficiency improved

Roof
AverageGood

Roof insulation improved

Low Energy Lighting
43%21%

Low energy lighting percentage decreased

Planning

Planning history

Applications and permits filed against 21 Chetwynd Drive, Southampton, SO16 3HY, sourced from the PlanIt planning register.

Council records include a two-storey extension at 21 Chetwynd Drive.

1 application on record at 21 Chetwynd Drive, Southampton, SO16 3HY

1decisions1extensions5documents11nearby
  1. Apr 2018
    ExtensionFull
    Outcome in report

    Extension: Two storey

    Erection of a 2-storey front/side extension

    Documents
    5 docs on file
    Reference
    18/00304/FUL
    Full record in report

Unlock 21 Chetwynd Drive, Southampton, SO16 3HY'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 11 notable nearby
  • The 5 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Chetwynd Drive homes

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

EPC Rating for 21 Chetwynd Drive runs comfortably ahead of the street norm.

Price per m²

£3,214

Street avg £3,326

On par

Floor Area

196 m²

Street avg 144 m²

Strongly above

Habitable Rooms

10 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

5.5 t/year

Street avg 6.9 t/year

Above
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

536/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Chamberlain Halls — bus stop.

Closest school

0.4 km

Cantell School. 25 schools nearby.

Nearest schools

  • Cantell SchoolSecondary406m
  • Bassett Green Primary SchoolPrimary979m
  • Highfield Church of England Primary SchoolPrimary981m
  • Swaythling Primary SchoolPrimary1.2km

Nearest stops

  • Chamberlain HallsBus stop217m
  • Bassett CrescentBus stop227m
  • Holly HillBus stop237m
  • Great Oaks SchoolBus stop249m

Most reported crime locally

  • Violence & Sexual Offences3,596 reports42%
  • Anti-social Behaviour975 reports11%
  • Criminal Damage & Arson710 reports8%
  • Shoplifting650 reports8%

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 SO16 3HY from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SO16 3HY

Daytime· 07:00 – 23:00

51.9dB

Low
Night-time road noise heatmap for SO16 3HY

Night-time· 23:00 – 07:00

43.3dB

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 3 Building Survey

Early 20th centuryDetached HouseEPC CExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,155 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£741k

1 Aspen Holt

SO16 3QE

5 bed
£483k

1 Colonel Crabbe Mews

SO16 3PW

5 bed
£526k

1 Ethelburt Avenue

SO16 3DG

4 bed1 bath
£579k

1 Bassett Green Drive

SO16 3QN

3 bed2 bath
£532k

1 Elmsleigh Gardens

SO16 3GE

7 bed2 bath
£500k

1 Chetwynd Drive

SO16 3HY

3 bed
£482k

1 Bassett Green Village

SO16 3ND

3 bed
£436k

1 Bassett Green Road

SO16 3DJ

3 bed3 bath

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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.
Valuation method in detail
How the estimate is made
The estimate for 21 Chetwynd Drive is modelled from its 196 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SO16 3HY. 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 Chetwynd Drive. 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 Chetwynd Drive was lodged in November 2022 at band C and is valid until November 2032. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 21 Chetwynd Drive. 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 16 months, which places each incident at an approximate point. The 25 schools and 30 stops listed are measured in a straight line from SO16 3HY, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
21 Chetwynd Drive is in council tax band F. 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 Chetwynd Drive, Southampton, SO16 3HY. Each answer is also embedded as structured data for search engines.

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