23 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
About 23 Carmarthen Avenue
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.
Everything you need to know about 23 Carmarthen Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
23 Carmarthen Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 22 June 2031
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
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
- Jan 2022Tree WorksTreesOutcome in report
Within Tree Preservation Order 218 - (T9) plum - prune to previous pruning points
- Documents
- 10 docs on file
- Reference
- 21/01670/TPO
- More recent applications — locked
- Tree WorksAug 2024Decision
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- Every decision — granted, refused or withdrawn (2 on record)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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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£639,000
Modelled from EPC, postcode comparables.
£563,000
Recorded with HM Land Registry.
Sales timeline
28 September 2021Most recent
£563,000
Median price across the last 5 sales in PO6 2AG: £628,000 (2025–2019).
Nearby sales in PO6 2AG
53 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Oct 2025
£600,00059 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Nov 2024
£660,00015 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Dec 2022
£628,00055 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Jun 2019
£770,0001a, Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Nov 2018
£465,000
Versus other Carmarthen Avenue homes
Price per m² for 23 Carmarthen Avenue runs comfortably ahead of the street norm.
Price per m²
£4,080
Street avg £3,266
Floor Area
138 m²
Street avg 175 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
6.4 t/year
Street avg 7.5 t/year
Everything you need to know about 23 Carmarthen Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

Similar properties nearby
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The neighbourhood at a glance
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.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.0dB

Night-time· 23:00 – 07:00
43.6dB






