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23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG

2 planning records

Estimated value

£639,000

  • Since the 2021 sale (£563,000)+13%
  • Against PO6 2AG's recent median (£628,000)+2%

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
Semi-detached
Habitable rooms
6
From EPC
Floor area
138 m²
1485 sq ft
Energy rating
D
Score 58
Council tax
Band E
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

£639,000

  • Against its 2021 sale (£563,000)+13%
  • Against PO6 2AG's recent median (£628,000)+2%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 23 Carmarthen Avenue is modelled from its 138 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in PO6 2AG. 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

    138 m² from the EPC lodged in June 2021

  • Sales of this home

    1 sale recorded, the latest in 2021

  • Recent sales in PO6 2AG

    5 sales, median £628,000 (2025–2019)

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 of 2 applicationsFull 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.

Sales timeline

  1. 28 September 2021Most recent

    £563,000

Median price across the last 5 sales in PO6 2AG: £628,000 (2025–2019).

Risks

What this page doesn't show

2 potential issues have already been flagged for 23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG. 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 23 Carmarthen Avenue

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

23 Carmarthen Avenue is a semi-detached house in Drayton, Portsmouth, Portsmouth (PO6 2AG). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2021) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump.

Today's modelled estimate of £639,000 is 13.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£379/sq ft) was about 47.5% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. Sold September 2021 for £563,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Before you decide

Everything you need to know about 23 Carmarthen Avenue

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.

23 Carmarthen Avenue's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate
Jun 2021

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.4 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 22 June 2031

4 years remaining
Planning

Planning history

Applications and permits filed against 23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG, sourced from the PlanIt planning register.

Planning history at 23 Carmarthen Avenue is exclusively tree-management applications — typical for a property with mature trees on or near the plot.

2 applications on record at 23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG

2decisions12documents8nearby
  1. Jan 2022
    Tree WorksTrees
    Outcome in report

    Within Tree Preservation Order 218 - (T9) plum - prune to previous pruning points

    Documents
    10 docs on file
    Reference
    21/01670/TPO
    Full record in report
  2. More recent applications — locked
  3. Tree WorksDecision

Unlock 23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG'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 8 notable nearby
  • The 12 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Carmarthen Avenue homes

Four headline reads against 20 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 23 Carmarthen Avenue runs comfortably ahead of the street norm.

Price per m²

£4,080

Street avg £3,266

Strongly above

Floor Area

138 m²

Street avg 175 m²

Strongly below

Habitable Rooms

6 rooms

Street avg 7 rooms

Below

CO₂ Emissions

6.4 t/year

Street avg 7.5 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 Portsmouth district page.
Full Portsmouth report

Crime

260/mo

Steady year-on-year across the wider district.

Nearest stop

0.3 km

Court Lane — bus stop.

Closest school

0.6 km

Court Lane Infant Academy. 22 schools nearby.

Nearest schools

  • Court Lane Infant AcademyPrimary620m
  • Court Lane Junior AcademyPrimary620m
  • Springfield SchoolSecondary839m
  • Solent Junior SchoolPrimary965m

Nearest stops

  • Court LaneBus stop306m
  • Penarth AvenueBus stop314m
  • Carshalton AvenueBus stop324m
  • Cliffdale GardensBus stop383m

Most reported crime locally

  • Violence & Sexual Offences1,949 reports47%
  • Shoplifting436 reports10%
  • Anti-social Behaviour381 reports9%
  • Public Order369 reports9%

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 PO6 2AG from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for PO6 2AG

Daytime· 07:00 – 23:00

53.0dB

Low
Night-time road noise heatmap for PO6 2AG

Night-time· 23:00 – 07:00

43.6dB

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

Victorian-eraSemi-Detached HouseEPC DPre-1919 build

Because the property was built before 1919, 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.
£679k

1 Carmarthen Avenue, Drayton

PO6 2AG

3 bed1 bath
£541k

1 Bernard Avenue, Drayton

PO6 2JP

5 bed
£532k

1 Brecon Avenue

PO6 2AN

£509k

1 East Court, Cosham

PO6 2NX

4 bed2 bath
£508k

1 Edison Spur, Drayton

PO6 2NW

4 bed2 bath
£501k

1 Court Mead, Drayton

PO6 2LT

£491k

1 Carshalton Avenue

PO6 2JT

3 bed1 bath
£477k

1 Court Lane, Drayton

PO6 2LG

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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 23 Carmarthen Avenue is modelled from its 138 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in PO6 2AG. 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. 1 sale is recorded for 23 Carmarthen Avenue. 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 23 Carmarthen Avenue was lodged in June 2021 at band D and is valid until June 2031. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to 23 Carmarthen Avenue. 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 22 schools and 30 stops listed are measured in a straight line from PO6 2AG, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
23 Carmarthen Avenue is in council tax band E. 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 23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG. Each answer is also embedded as structured data for search engines.

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