15 Arethusa House, Gunwharf Quays, Portsmouth, PO1 3TQ
About 15 Arethusa House
15 Arethusa House is a two-bedroom mid-terrace house in Portsmouth (PO1 3TQ). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (July 2022) returns a B (score 82), comfortably above the UK average. When first surveyed in November 2008 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good. At 110 m² this is the 45th smallest of 52 units on EPC record in the building, where floor areas span 59–171 m². The building's EPC ratings span E to B, with this unit at the top. Other recorded features include a balcony.
At 110 m² it's 15.8% larger than the typical home in the postcode (95 m² median across 51 EPCs). Its energy rating outperforms most of the postcode (better than 84% of similar EPCs). Across 2011–2024, sale prices on this property compounded at 3.4% per year. Today's modelled estimate of £476,000 is 15.5% above the 2024 sale price. Most recent transfer: November 2024 at £412,000.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- ParkingOff road
- BalconyYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Floor insulation added or improved
More low energy lighting installed
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Planning history
15 Arethusa 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
15 Arethusa House valuation sits well clear of the typical sold price in this postcode.
£476,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 13 years.
£412,000
Growth on file: 3.4% per year over 13 years.
Sales timeline
21 November 2024Most recent
£412,000
+21.2%over 6 years19 April 2018
£340,000
+28.3%over 6 years24 August 2011
£265,000
Median price across the last 5 sales in PO1 3TQ: £390,000 (2025–2022).
Nearby sales in PO1 3TQ
14 Arethusa House, Gunwharf Quays, Portsmouth, PO1 3TQ
Sold Apr 2025
£785,0001 Arethusa House, Gunwharf Quays, Portsmouth, PO1 3TQ
Sold Oct 2024
£240,00059 Arethusa House, Gunwharf Quays, Portsmouth, PO1 3TQ
Sold Jul 2024
£390,00012 Arethusa House, Gunwharf Quays, Portsmouth, PO1 3TQ
Sold Aug 2023
£785,00033 Arethusa House, Gunwharf Quays, Portsmouth, PO1 3TQ
Sold Dec 2022
£390,000
Versus other Gunwharf Quays homes
15 Arethusa House is notably below the street on years held.
Price per m²
£3,745
Street avg £3,945
Floor Area
110 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.2 t/year
Similar properties nearby
1 Blake House, Gunwharf Quays
PO1 3TH
1 Centurion Court, The Canalside, Gunwharf Quays
PO1 3BQ
1 Admiralty Tower, Queen Street
PO1 3GA
1 Jupiter Court, Gunwharf Quays
PO1 3TS
1 Godolphin House, Bonfire Corner
PO1 3GN
1 Brunswick House, Queen Street
PO1 3GB
1 Blackthorn Terrace, Cumberland Street
PO1 3JW
1 Gloucester House, Queen Street
PO1 3GD
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
0.1 km
Portsmouth IOW Car Ferry Terminal — ferry terminal.
Closest school
0.6 km
St Jude's CofE 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
47.0dB

Night-time· 23:00 – 07:00
39.6dB







