21 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS
About 21 Jupiter Court
21 Jupiter Court is a two-bedroom mid-terrace house in Portsmouth (PO1 3TS). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 2003-2006 and council tax band D. At 42 m² this is the smallest unit on EPC record across the building (42–143 m²). The building's EPC ratings span D to B across 30 units on file. Other recorded features include a balcony. The latest certificate (January 2023) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since January 2013. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Good.
Untraded for 24 years, with the last transfer in June 2002. At 42 m² it sits well below the postcode median (71 m² across 29 EPCs), making it one of the more compact homes locally. Across 2001–2002, sale prices on this property compounded at 30.4% per year. Today's modelled estimate of £195,000 is 44.4% above the 2002 sale price.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- EnsuiteYes
Outside
- Communal gardenYes
- ParkingAllocated
- BalconyYes
Building
- Heating systemGas
- ConciergeYes
- RefurbishedYes
Energy performance
21 Jupiter Court's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
21 Jupiter Court 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
21 Jupiter Court changed hands twice within eighteen months — unusual for the area.
£195,000
Modelled from EPC, postcode comparables and a sale-price growth of 30.4% per year over 1 year.
£135,000
Growth on file: 30.4% per year over 1 year.
Sales timeline
13 June 2002Most recent
£135,000
+37.8%over 1 year29 March 2001
£97,950
Median price across the last 5 sales in PO1 3TS: £255,000 (2025–2022).
Nearby sales in PO1 3TS
5 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS
Sold Aug 2025
£226,00033 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS
Sold May 2025
£255,0003 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS
Sold Feb 2024
£295,00016 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS
Sold Jul 2022
£265,00028 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS
Sold May 2022
£220,000
Versus other Gunwharf Quays homes
Floor Area for 21 Jupiter Court lags the street by a wide margin.
Price per m²
£3,214
Street avg £3,643
Floor Area
42 m²
Street avg 73 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.6 t/year
Similar properties nearby
1 Admiralty Tower, Queen Street
PO1 3GA
1 Centurion Court, The Canalside, Gunwharf Quays
PO1 3BQ
1 Jupiter Court, Gunwharf Quays
PO1 3TS
1 Godolphin House, Bonfire Corner
PO1 3GN
1 Blake House, Gunwharf Quays
PO1 3TH
1 Brunswick House, Queen Street
PO1 3GB
1 Gloucester House, Queen Street
PO1 3GD
1 Hamburg House, Cross Street
PO1 3GG
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 George's Beneficial Church of England (Voluntary Controlled) Primary School. 27 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
48.6dB

Night-time· 23:00 – 07:00
40.9dB







