11a, Brecon Avenue, Portsmouth, PO6 2AN
About 11a
11a is a detached house in Portsmouth (PO6 2AN). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2014) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from February 2014, so improvements made since then won't be reflected.
One historical planning record sits against the property in 2003.
Know exactly what you're buying at 11a
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
Energy performance
11a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Feb 2024
EPC Rating
Planning history
- Apr 2003ExtensionFullIn report
Extension: Single storey · Side of property
CONSTRUCTION OF SIDE EXTENSION AT FIRST FLOOR LEVEL OVER EXISTING GARAGE AND STUDY
- Documents
- 3 docs on file
- Reference
- B*30794/AA
We flagged 2 things worth checking at 11a
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
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Sales history & valuation
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£505,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in PO6 2AN: £610,000 (2025–2022).
Nearby sales in PO6 2AN
Everything we know about 11a, 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 Brecon Avenue homes
EPC Rating
61 (D)
Street avg 57 (D)
Floor Area
141 m²
Street avg 136 m²
CO₂ Emissions
5.7 t/year
Street avg 6.3 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
Similar properties nearby
1 Carshalton Avenue
PO6 2JT
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1 Court Mead, Drayton
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1 East Court, Cosham
PO6 2NX
1 Bernard Avenue, Drayton
PO6 2JP
1 Brecon Avenue
PO6 2AN
1 Beaconsfield Avenue
PO6 2PS
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The George — bus stop.
Closest school
0.8 km
Court Lane Infant Academy. 21 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
52.6dB

Night-time· 23:00 – 07:00
43.4dB