13 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
About 13 Carmarthen Avenue
13 Carmarthen Avenue is a four-bedroom detached house in Drayton, Portsmouth, Portsmouth (PO6 2AG). It has a recorded floor area of 206 m² (around 2217 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (April 2013) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62). The latest certificate is from April 2013, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
At 206 m² the property is well over the postcode median (156 m² across 18 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs). Last sold in July 2014, so it's been off the market for around 12 years. 3 planning records sit against the property, 0 approved, 2 refused. Today's modelled estimate of £743,000 is 35.1% above the 2014 sale price.
Know exactly what you're buying at 13 Carmarthen Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenWest-facing
- ParkingYes
Building
- Extension potentialPossible
Energy performance
13 Carmarthen Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Apr 2023
EPC Rating
Planning history
- Nov 2009FullIn report
Construction of rear dormer with Juliet balcony
- Documents
- 5 docs on file
- Reference
- 09/01303/HOU
- Aug 2006Loft ConversionFullIn report
CONSTRUCTION OF DORMER WINDOWS TO REAR ROOFSLOPE (REVISED SCHEME OF A*30010/AB)
- Documents
- 4 docs on file
- Reference
- A*30010/AC
We flagged 2 things worth checking at 13 Carmarthen Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
13 Carmarthen Avenue valuation sits well clear of the typical sold price in this postcode.
£743,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
Sales timeline
10 July 2014Most recent
£550,000
Median price across the last 5 sales in PO6 2AG: £628,000 (2024–2019).
Nearby sales in PO6 2AG
59 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Nov 2024
£660,00015 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Dec 2022
£628,00023 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Sept 2021
£563,00055 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Jun 2019
£770,0001a, Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
Sold Nov 2018
£465,000
Everything we know about 13 Carmarthen Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Carmarthen Avenue homes
CO₂ Emissions for 13 Carmarthen Avenue lags the street by a wide margin.
Price per m²
£2,670
Street avg £3,300
Floor Area
206 m²
Street avg 174 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
10.0 t/year
Street avg 7.3 t/year
Similar properties nearby
1 East Court, Cosham
PO6 2NX
1 Edison Spur, Drayton
PO6 2NW
1 Carmarthen Avenue, Drayton
PO6 2AG
1 Bernard Avenue, Drayton
PO6 2JP
1 Carshalton Avenue
PO6 2JT
1 Beaconsfield Avenue
PO6 2PS
1 Dovercourt Road
PO6 2RZ
1 Cranborne Road, Drayton
PO6 2BG
The neighbourhood at a glance
Crime
9/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
The full 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