Our Data Sources
Flat 1, 66, Castle Road, Southsea has no records in the Land Registry and a single entry in the EPC database dated June 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Flat 1, 66, Castle Road, Southsea, we estimate a market value of £223,070 and a rental value of £1,175 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £197,576 and £1,040 per month respectively.
Energy Efficiency
Flat 1, 66, Castle Road, Southsea has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Jun 2026.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2019 79 properties similar to Flat 1, 66, Castle Road, Southsea have sold within a radius of 320 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st March 2026, was Flat 1, 4, Elphinstone Road, Southsea, PO5 3HR, a leasehold flat which sold for £185,000.
Read more about house prices in PO5.
- Sold Mar 2026£185,000 | 2 Bed FlatFlat 1, 4, Elphinstone Road, Southsea, PO5 3HRFlat 1, 4, Elphinstone Road, Southsea, PO5 3HR
- Sold Nov 2025£238,000 | 3 Bed FlatFlat 1, 14, Nightingale Road, Southsea, PO5 3JLFlat 1, 14, Nightingale Road, Southsea, PO5 3JL
- Sold Oct 2025£130,000 | 3 Bed FlatFlat 40, Carlton House 1-6, Western Parade, Southsea, PO5 3EDFlat 40, Carlton House 1-6, Western Parade, Southsea, PO5 3ED
- Sold Sep 2025£198,750 | 3 Bed FlatFlat 8, Trevone House 6, Kent Road, Southsea, PO5 3ENFlat 8, Trevone House 6, Kent Road, Southsea, PO5 3EN
- Sold Jan 2025£210,000 | 2 Bed FlatFlat 3, Carlton House 1-6, Western Parade, Southsea, PO5 3EDFlat 3, Carlton House 1-6, Western Parade, Southsea, PO5 3ED
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £242,123, ranging from £155,732 to £407,302.
- 60A Castle Road
3 Bed Flat | 15 m | Est. Value: £267,745
- 60C Castle Road
2 Bed Flat | 15 m | Est. Value: £204,543
- 63A Castle Road
2 Bed Flat | 16 m | Est. Value: £188,361
- 63B Castle Road
3 Bed Flat | 16 m | Est. Value: £234,245
- 67B Castle Road
1 Bed Flat | 17 m | Est. Value: £155,732
Location Comparison
Of the 165 addresses on Castle Road, Southsea, PO5, Flat 1, 66, Castle Road, Southsea comes out as the 56th largest and the 69th most expensive in our analysis of the public data.
It is also £33k less expensive than the average property across the PO5 district.
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Schools Nearby
- St Jude's CofE Primary School400 m away
- Cottage Grove Primary School and Nursery500 m away
- Southsea Infant School1.1 km away
- Ark Charter Academy900 m away
- St Edmund's Catholic School1.3 km away
- Priory School1.4 km away
More reading links
Public Transport Nearby
- Southsea Hoverport|600 m away
- Portsmouth & Southsea|1.1 km away
- Portsmouth Harbour|1.3 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












