11 Cobden Avenue, Portsmouth, PO3 6NA
About 11 Cobden Avenue
11 Cobden Avenue is a three-bedroom mid-terrace house in Portsmouth (PO3 6NA). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2015) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from August 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory and a loft.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sold in March 2016, so it's been off the market for around 10 years. Across 1997–2016, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £287,000 is 33.5% above the 2016 sale price.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- LoftYes
- ConservatoryYes
Outside
- GarageDouble, Detached
Building
- Central heatingYes
Energy performance
11 Cobden Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Aug 2025
EPC Rating
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 £885 · Includes VAT
Planning history
11 Cobden Avenue has no planning applications on record.
But the area is active
14 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11 Cobden Avenue has more than quadrupled in price since its earliest registered sale in 1997.
£287,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 18 years.
£215,000
Growth on file: 8.6% per year over 18 years.
Sales timeline
31 March 2016Most recent
£215,000
+28.7%over 5 years20 April 2010
£167,000
+251.6%over 12 years11 November 1997
£47,500
Median price across the last 5 sales in PO3 6NA: £238,000 (2024–2010).
Nearby sales in PO3 6NA
Versus other Cobden Avenue homes
Price per m² for 11 Cobden Avenue lags the street by a wide margin.
Price per m²
£2,263
Street avg £2,780
Floor Area
95 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.7 t/year
Street avg 3.7 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Baffins Library — bus stop.
Closest school
0.3 km
Westover Primary School. 42 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
49.7dB

Night-time· 23:00 – 07:00
39.6dB







