21 Blackfriars Road, Southsea, PO5 4LN
About 21 Blackfriars Road
21 Blackfriars Road is a mid-terrace house in Southsea (PO5 4LN). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (April 2022) shows a C (score 73). The rating has held steady at C across 2 certificates since December 2009. Between certificates, roof efficiency went from Good to Very Good. The recommended improvements would push it to B (score 88).
Untraded for 21 years, with the last transfer in July 2005. Across 2001–2005, sale prices on this property compounded at 19.1% per year. Today's modelled estimate of £265,000 sits 82.1% above the 2005 sale of £145,500.
Know exactly what you're buying at 21 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
Loft insulation upgraded to recommended levels
Planning history
21 Blackfriars Road has no planning applications on record.
Notable planning nearby
18applications of note in the surrounding area
We flagged 2 things worth checking at 21 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
30-day money-back guarantee
Sales history & valuation
21 Blackfriars Road has more than doubled in price since the earliest registered sale in 2001.
£265,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.1% per year over 4 years.
£145,500
Growth on file: 19.1% per year over 4 years.
Sales timeline
14 July 2005Most recent
£145,500
+118.8%over 4 years19 January 2001
£66,500
Median price across the last 5 sales in PO5 4LN: £254,000 (2025–2020).
Nearby sales in PO5 4LN
Everything we know about 21 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
21 Blackfriars Road outperforms the street on years held by a wide margin.
Price per m²
£1,692
Street avg £2,461
Floor Area
86 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 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