1c, Aylen Road, Portsmouth, PO3 5HB
About 1c
1c is an end-of-terrace house in Portsmouth (PO3 5HB). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (February 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2015. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 79).
At 165 m² the property is well over the postcode median (86 m² across 28 EPCs), placing it in the larger end of the local stock. A recent sale: £417,500 in March 2025. Across 1997–2025, sale prices on this property compounded at 6.6% per year. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 35.7% above the typical sold price in the postcode. One historical planning record sits against the property in 2003.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
1 application on record at 1c, Aylen Road, Portsmouth, PO3 5HB
- Mar 2003ConservatoryFullOutcome in report
CONSTRUCTION OF DORMER WINDOW TO REAR ROOFSLOPE AND REAR CONSERVATORY
Extension- Reference
- A*32327/AA
Unlock 1c, Aylen Road, Portsmouth, PO3 5HB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 10 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 1c was the highest on Land Registry record across the postcode.
£450,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 28 years.
£417,500
Growth on file: 6.6% per year over 28 years.
Sales timeline
24 March 2025Most recent
£417,500
+41.5%over 9 years31 August 2015
£295,000
+86.1%over 12 years26 September 2002
£158,500
+120.1%over 5 years10 September 1997
£72,000
Median price across the last 5 sales in PO3 5HB: £258,000 (2024–2021).
Versus other Aylen Road homes
1c is notably below the street on years held.
Price per m²
£2,530
Street avg £2,244
Floor Area
165 m²
Street avg 90 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
5.9 t/year
Street avg 3.7 t/year
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







