17 Blackfriars Road, Southsea, PO5 4LN
About 17 Blackfriars Road
17 Blackfriars Road is a mid-terrace house in Southsea (PO5 4LN). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (August 2021) shows a C (score 74). When first surveyed in September 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 85).
Across 2004–2022, sale prices on this property compounded at 7.2% per year. Today's modelled estimate of £286,000 is 32.7% below the 2022 sale of £425,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 116% above the typical sold price in the postcode. At 114 m² the property is well over the postcode median (86 m² across 14 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £425,000 in January 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 17 Blackfriars Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Planning history
17 Blackfriars Road has an approved single-storey rear extension on the planning record.
- Jun 2021ExtensionOutlineIn report
Extension: Single storey · Rear of property
Construction of single-storey rear extension that comes out a maximum of 6m beyond the rear wall of the original house with a maximum height of 2.7m and a maximum height of 2.4m to the eaves
- Agent
- FAO Mrs Carianne Wells
- Documents
- 6 docs on file
- Reference
- 21/00078/GPDC
- May 2018Change Of UseFullIn report
Change of use from house in multiple occupation (Class C4) to purposes falling within Class C4 (house in multiple occupation) or Class C3 (dwellinghouse)
- Agent
- FAO Sam Appleton
- Documents
- 3 docs on file
- Reference
- 18/00178/FUL
We flagged 2 things worth checking at 17 Blackfriars Road
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Sale price has grown by over 3x since 2004.
£286,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 18 years.
£425,000
Growth on file: 7.2% per year over 18 years.
Sales timeline
31 January 2022Most recent
£425,000
+249.8%over 17 years27 February 2004
£121,500
Median price across the last 5 sales in PO5 4LN: £219,000 (2025–2020).
Nearby sales in PO5 4LN
Everything we know about 17 Blackfriars Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Blackfriars Road homes
Habitable Rooms for 17 Blackfriars Road runs comfortably ahead of the street norm.
Price per m²
£3,728
Street avg £2,257
Floor Area
114 m²
Street avg 93 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Somers Road — bus stop.
Closest school
0.1 km
Ark Ayrton Primary Academy. 37 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
55.1dB
Night-time· 23:00 – 07:00
43.7dB