Our Data Sources
18, Castle Street, Southampton has no recent1 records in the the Land Registry and a single entry in the EPC database dated December 2021.
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
In very good condition, we estimate 18, Castle Street, Southampton would be worth £270,637, with a potential rental value of £1,584 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £239,707, with a rental value of £1,403 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Castle Street, Southampton occupies a 89 m2 plot as recorded by HM Land Registry.
All 10 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.
Energy Efficiency
18, Castle Street, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Dec 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Castle Street, Southampton last changed hands on 15th April 1997, selling for £58,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Apr 1997£58,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 224 sales of comparable properties within 340 metres of 18, Castle Street, Southampton across the last 2 years.
Most recently, 59, Middle Street, Southampton, SO14 6HU, a freehold house, sold at £250,000 on the 22nd January 2026.
Read more about house prices in SO14.
- Sold Jan 2026£250,000 | 3 Bed House59, Middle Street, Southampton, SO14 6HU59, Middle Street, Southampton, SO14 6HU
- Sold Nov 2025£290,000 | 3 Bed House43, Middle Street, Southampton, SO14 6HB43, Middle Street, Southampton, SO14 6HB
- Sold Jun 2025£280,000 | 3 Bed House47, Dover Street, Southampton, SO14 6GN47, Dover Street, Southampton, SO14 6GN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 18, Castle Street, Southampton as the 14th largest and the 23rd most expensive of the 43 addresses on Castle Street, Southampton, SO14.
Against the SO14 postcode district average, it is £58k more expensive than the typical property.
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Schools Nearby
- Bevois Town Primary School300 m away
- Mount Pleasant Juniors300 m away
- Mount Pleasant Infants500 m away
- St Anne's Catholic School500 m away
- Upper Shirley High School2.3 km away
- Bitterne Park School2.5 km away
More reading links
Public Transport Nearby
- St Denys|1.0 km away
- Southampton Central|1.4 km away
- Bitterne|1.5 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
