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 £351,000 is 21% 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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The data behind every report
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 8 February 2031
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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Level 2 HomeBuyer Report
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Planning history
1b has no planning applications on record.
But the area is active
9 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.
£351,000
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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The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
141/mo
Falling 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