1a, Clarkes Road, Portsmouth, PO1 5PR
About 1a
1a is an end-of-terrace house in Portsmouth (PO1 5PR). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2021) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2011. Between certificates, roof efficiency went from Average to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Untraded for 27 years, with the last transfer in November 1999. Across 1999–1999, sale prices on this property compounded at 84.6% per year. Today's modelled estimate of £183,000 sits 238.9% above the 1999 sale of £54,000. On a £-per-square-foot basis, the last sale (£96/sq ft) was about 38.7% below the postcode norm. At 52 m² it's 29.7% smaller than the typical home in the postcode (74 m² median across 21 EPCs).
Everything you need to know about 1a
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
Roof insulation improved
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 £820 · Includes VAT
Planning history
1a has no planning applications on record.
But the area is active
33 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
1a's modelled value sits at over four times its earliest registered sale price (1999).
£183,000
Modelled from EPC, postcode comparables and a sale-price growth of 84.6% per year over 1 year.
£54,000
Growth on file: 84.6% per year over 1 year.
Sales timeline
26 November 1999Most recent
£54,000
+84.6%29 June 1999
£29,250
Median price across the last 5 sales in PO1 5PR: £218,820 (2025–2022).
Nearby sales in PO1 5PR
Versus other Clarkes Road homes
Habitable Rooms for 1a lags the street by a wide margin.
Price per m²
£1,038
Street avg £2,240
Floor Area
52 m²
Street avg 70 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.1 t/year
Everything you need to know about 1a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
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
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Kingston Cemetery — bus stop.
Closest school
0.5 km
Penbridge Infant School & Nursery. 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
53.3dB
Night-time· 23:00 – 07:00
43.0dB