1 Carmarthen Avenue, Drayton, Portsmouth, PO6 2AG
About 1 Carmarthen Avenue
1 Carmarthen Avenue is a three-bedroom detached house in Drayton, Portsmouth, Portsmouth (PO6 2AG). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (July 2018) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 76).
Held since August 1996 — that's 30 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £725,000 sits 298.4% above the 1996 sale of £182,000. On a £-per-square-foot basis, the last sale (£111/sq ft) was about 57% below the postcode norm. 2 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 1 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
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- GarageDouble
Building
- Heating systemGas
- RefurbishedYes
Energy performance
1 Carmarthen Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning history at 1 Carmarthen Avenue is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Nov 2010Tree WorksTreesIn report
Willow Tree (T12) crown reduce by 30% and remove deadwood within Tree Preservation order 65
- Documents
- 3 docs on file
- Reference
- 10/00956/TPO
- Oct 2005Tree WorksTreesIn report
WILLOW (T12) CROWN REDUCE BACK TO PREVIOUS PRUNING POINTS ON THE MAIN SCAFFOLD BRANCHES AND REMOVE DEADWOOD MAPLE (T25)THIN AND REDUCE CROWN BY 15% WITHIN TREE PRESERVATION ORDER 65
- Documents
- 2 docs on file
- Reference
- A*36401/AC
We flagged 2 things worth checking at 1 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
1 Carmarthen Avenue's estimated value is more than triple its earliest registered sale price (1996).
£725,000
Modelled from EPC, postcode comparables.
£182,000
Recorded with HM Land Registry.
Sales timeline
22 August 1996Most recent
£182,000
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 1 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
1 Carmarthen Avenue is notably below the street on price per m².
Price per m²
£1,190
Street avg £3,399
Floor Area
153 m²
Street avg 177 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
7.1 t/year
Street avg 7.5 t/year
Similar properties nearby
1 Carshalton Avenue
PO6 2JT
1 Beaconsfield Avenue
PO6 2PS
1 Dovercourt Road
PO6 2RZ
1 Cranborne Road, Drayton
PO6 2BG
1 Chalkridge Road, Drayton
PO6 2BE
1 Braemar Avenue, Drayton
PO6 2NB
1 Donaldson Road
PO6 2SZ
1 Dorking Crescent
PO6 2QL
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