1b, Aylen Road, Portsmouth, PO3 5HB
About 1b
1b is a four-bedroom mid-terrace house in Portsmouth (PO3 5HB). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (February 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2010. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 115 m² the property is well over the postcode median (86 m² across 28 EPCs), placing it in the larger end of the local stock. Across 2018–2021, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £344,000 is 18.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£234/sq ft) was about 41.8% above the typical sold price in the postcode. Sold May 2021 for £290,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
Outside
- ParkingOff road
Building
- Heating systemGas
- RefurbishedYes
Everything you need to know about 1b
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
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Planning history
1b has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£344,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 3 years.
£290,000
Growth on file: 6.9% per year over 3 years.
Sales timeline
3 May 2021Most recent
£290,000
+20.8%over 2 years8 July 2018
£240,000
Median price across the last 5 sales in PO3 5HB: £258,000 (2025–2021).
Versus other Aylen Road homes
1b outperforms the street on floor area by a wide margin.
Price per m²
£2,522
Street avg £2,245
Floor Area
115 m²
Street avg 92 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.8 t/year
Everything you need to know about 1b
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Green Lane — bus stop.
Closest school
0.5 km
Mayfield School. 34 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
51.4dB
Night-time· 23:00 – 07:00
42.0dB