17a, Copnor Road, Portsmouth, PO3 5AA
About 17a
17a is a one-bedroom mid-terrace house in Portsmouth (PO3 5AA). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band A. At 48 m² this is the 3rd smallest of 15 units on EPC record in the building, where floor areas span 45–159 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (January 2023) shows a C (score 70). When first surveyed in November 2010 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Very Poor to Good; while roof efficiency dropped from Average to Poor.
Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 1997–2023, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £141,000 is 11.9% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 62.9% above the typical sold price in the postcode. Sold August 2023 for £126,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Building
- Heating systemGas
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
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
17a 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
Price for 17a has grown more than fourfold since the 1997 starting point.
£141,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 26 years.
£126,000
Growth on file: 6.2% per year over 26 years.
Sales timeline
10 August 2023Most recent
£126,000
+24.8%over 5 years18 June 2018
£101,000
+53.0%over 14 years24 March 2004
£66,000
+149.1%over 6 years7 August 1997
£26,500
Median price across the last 5 sales in PO3 5AA: £132,000 (2025–2020).
Nearby sales in PO3 5AA
Versus other Copnor Road homes
On epc rating, 17a stands well clear of the street.
Price per m²
£2,625
Street avg £2,014
Floor Area
48 m²
Street avg 52 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.4 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
0.0 km
Copnor Bridge — bus stop.
Closest school
0.4 km
Penbridge Junior 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
50.8dB

Night-time· 23:00 – 07:00
40.1dB







