17 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
About 17 Blake House
17 Blake House is a mid-terrace house in Portsmouth (PO1 3TH). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1996-2002 and council tax band E. At 107 m² this is the 35th smallest of 43 units on EPC record in the building, where floor areas span 52–155 m². The building's EPC ratings span E to B across 43 units on file. The latest certificate (March 2022) shows a C (score 71). Main heating runs on electricity.
Across 2002–2022, sale prices on this property compounded at 2.8% per year. On a £-per-square-foot basis, the last sale (£586/sq ft) was about 72.4% above the typical sold price in the postcode. Most recent transfer: June 2022 at £675,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
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Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
17 Blake House has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£736,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 20 years.
£675,000
Growth on file: 2.8% per year over 20 years.
Sales timeline
9 June 2022Most recent
£675,000
+70.9%over 19 years29 September 2002
£395,000
Median price across the last 5 sales in PO1 3TH: £550,000 (2025–2022).
Nearby sales in PO1 3TH
11 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Mar 2025
£550,00040 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Jan 2025
£794,50039 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Feb 2024
£862,50053 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Oct 2023
£440,00029 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Aug 2022
£455,000
Versus other Gunwharf Quays homes
Price per m² for 17 Blake House runs comfortably ahead of the street norm.
Price per m²
£6,308
Street avg £4,418
Floor Area
107 m²
Street avg 92 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Blake House, Gunwharf Quays
PO1 3TH
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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
Portsmouth IOW Car Ferry Terminal — ferry terminal.
Closest school
0.6 km
St George's Beneficial Church of England (Voluntary Controlled) Primary School. 28 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
46.9dB

Night-time· 23:00 – 07:00
39.6dB







