21 Castle Road Southsea PO5 3DE: house prices, rental estimates & market trends

Our Data Sources

21, Castle Road, Southsea has no recent¹ records in either the Land Registry or EPC database.

The local information is scored as 5 out of 5 and is considered of high accuracy.

1Sales dated prior to 2007 are shown, but are not used in our calculations.

What is an EPC?

What is the Land Registry?

What is the Office of National Statistics?

What is the Ordnance Survey?

Public data including the Land Registry and EPC Register is processed and republished under the Government Open Data Licence

All values are estimates based on available data. All data and other content are provided subject to our Terms & Conditions

Plot Size

21, Castle Road, Southsea occupies a 141 m² plot as recorded by HM Land Registry.

All 33 other houses in this postcode have recorded plot sizes, and this one ranks as the 19th largest.

Compare this plot size to nearby properties!

Source: Ordnance Survey (2024)

Sold Prices

21, Castle Road, Southsea last changed hands on 23rd June 2006, selling for £362,500. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

Sold Jun 2006£362,500

The Bricks&Logic house price Heat Map

How accurate is Bricks&Logic?

How long does the land registry take to update?

Source: HM Land Registry (June 2026

Properties Sold Nearby

Land Registry records and our Estate Agent network show 764 sales within 310 metres of 21, Castle Road, Southsea across the last 2 years.

Most recently, 30, Castle Road, Southsea, PO5 3DE, a freehold house, sold at £335,000 on the 1st May 2026.

Schools Nearby

Cottage Grove Primary School and Nursery is the closest primary school to 21, Castle Road, Southsea at 400 metres away.

Cottage Grove Primary School and Nursery
400 m away
St Jude's CofE Primary School
500 m away
Ark Ayrton Primary Academy
900 m away

Ark Charter Academy is the closest secondary school at 800 metres.

Ark Charter Academy
800 m away
St Edmund's Catholic School
1.1 km away
Priory School
1.2 km away

Schools and house prices

Source: Ofsted 2026

Public Transport Nearby

Southsea Hoverport
|
800 m away
Portsmouth & Southsea
|
1.0 km away
Portsmouth Harbour
|
1.3 km away

Available Internet Speeds

Ofcom's latest figures show ultrafast broadband available in this area.

Ultrafast

20 mbps

Max upload

350 mbps

Max download

According to recent data from Ofcom, Ultrafast Broadband is available in the area.

Max Upload

20 mbps

Max Download

350 mbps

Source: Ofcom (June 2026)

Risk of Flooding

Environment Agency data suggests this area has a Very Low risk of flooding.

Very Low floodriskin this area

Local Flood RiskVery Low

Source: Environment Agency (2024)

Our Data Sources

21, Castle Road, Southsea has no recent¹ records in either the Land Registry or EPC database.

The local information is scored as 5 out of 5 and is considered of high accuracy.

1Sales dated prior to 2007 are shown, but are not used in our calculations.

What is an EPC?

What is the Land Registry?

What is the Office of National Statistics?

What is the Ordnance Survey?

Public data including the Land Registry and EPC Register is processed and republished under the Government Open Data Licence

All values are estimates based on available data. All data and other content are provided subject to our Terms & Conditions

Plot Size

21, Castle Road, Southsea occupies a 141 m² plot as recorded by HM Land Registry.

All 33 other houses in this postcode have recorded plot sizes, and this one ranks as the 19th largest.

Compare this plot size to nearby properties!

Source: Ordnance Survey (2024)

Sold Prices

21, Castle Road, Southsea last changed hands on 23rd June 2006, selling for £362,500. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

Sold Jun 2006£362,500

The Bricks&Logic house price Heat Map

How accurate is Bricks&Logic?

How long does the land registry take to update?

Source: HM Land Registry (June 2026

Properties Sold Nearby

Land Registry records and our Estate Agent network show 764 sales within 310 metres of 21, Castle Road, Southsea across the last 2 years.

Most recently, 30, Castle Road, Southsea, PO5 3DE, a freehold house, sold at £335,000 on the 1st May 2026.

Schools Nearby

Cottage Grove Primary School and Nursery is the closest primary school to 21, Castle Road, Southsea at 400 metres away.

Cottage Grove Primary School and Nursery
400 m away
St Jude's CofE Primary School
500 m away
Ark Ayrton Primary Academy
900 m away

Ark Charter Academy is the closest secondary school at 800 metres.

Ark Charter Academy
800 m away
St Edmund's Catholic School
1.1 km away
Priory School
1.2 km away

Schools and house prices

Source: Ofsted 2026

Public Transport Nearby

Southsea Hoverport
|
800 m away
Portsmouth & Southsea
|
1.0 km away
Portsmouth Harbour
|
1.3 km away

Available Internet Speeds

Ofcom's latest figures show ultrafast broadband available in this area.

Ultrafast

20 mbps

Max upload

350 mbps

Max download

According to recent data from Ofcom, Ultrafast Broadband is available in the area.

Max Upload

20 mbps

Max Download

350 mbps

Source: Ofcom (June 2026)

Risk of Flooding

Environment Agency data suggests this area has a Very Low risk of flooding.

Very Low floodriskin this area

Local Flood RiskVery Low

Source: Environment Agency (2024)

Home Ownership Nearby

The recent census recorded whether a resident owned or rented their home.

In the area around 21, Castle Road, Southsea, 48.6% of property is privately rented and 25.0% is privately owned outright.

The graph below shows how this compares to South East and the rest of England & Wales.

This area

South East

England & Wales

Owned (Outright)

Owned (Mortgage)

Shared ownership

Rented (Social)

Rented (Private)

Source: ONS Census (2021)

Education Levels in the Area

The recent census recorded the highest level of education achieved by residents in the local area.

In the area around 21, Castle Road, Southsea, 22.2% of residents are recorded as possessing school level qualifications and 52.8% as possessing degree level qualifications.

The graph below shows how this compares to South East and the rest of England & Wales.