8 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
About 8 Blake House
8 Blake House is a semi-detached house in Portsmouth (PO1 3TH). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (January 2023) shows an E (score 43), well below the UK norm with real room to improve. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer was March 2025 at £560,000 — fresh data. On a £-per-square-foot basis, the last sale (£495/sq ft) was about 45.3% above the typical sold price in the postcode.
Energy performance
8 Blake House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 5 January 2033
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
8 Blake House has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
8 Blake House valuation sits well clear of the typical sold price in this postcode.
£576,000
Modelled from EPC, postcode comparables.
£560,000
Recorded with HM Land Registry.
Sales timeline
28 March 2025Most recent
£560,000
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
8 Blake House is notably below the street on years held.
Price per m²
£5,333
Street avg £4,440
Floor Area
105 m²
Street avg 93 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
4.8 t/year
Street avg 2.2 t/year
Similar properties nearby
1 Blake House, Gunwharf Quays
PO1 3TH
1 Blossom Square
PO1 3JH
1 Centurion Court, The Canalside, Gunwharf Quays
PO1 3BQ
1 Blackthorn Terrace, Cumberland Street
PO1 3JW
1 Eva Allaway Court, St Georges Square
PO1 3AU
1 Curzon Howe Road
PO1 3BZ
1 Ensign Mews, Cross Street
PO1 3FZ
1 Dean Street
PO1 3BH
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
501/mo
Falling 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







