10 Castle Street, Southampton, SO14 6HA
About 10 Castle Street
10 Castle Street is a four-bedroom mid-terrace house in Southampton (SO14 6HA). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (February 2019) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2008. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump.
A recent sale: £260,000 in July 2025. Across 2004–2025, sale prices on this property compounded at 1.3% per year. Today's modelled estimate of £335,000 is 28.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 89.9% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 15 February 2029
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
10 Castle Street has no planning applications on record.
But the area is active
38 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 10 Castle Street was the highest on Land Registry record across the postcode.
£335,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.3% per year over 21 years.
£260,000
Growth on file: 1.3% per year over 21 years.
Sales timeline
22 July 2025Most recent
£260,000
+30.0%over 21 years15 July 2004
£200,000
Median price across the last 5 sales in SO14 6HA: £189,277 (2026–2013).
Nearby sales in SO14 6HA
Versus other Castle Street homes
10 Castle Street outperforms the street on floor area by a wide margin.
Price per m²
£2,989
Street avg £2,505
Floor Area
87 m²
Street avg 76 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.2 t/year
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The neighbourhood at a glance
Crime
413/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Denzil Avenue — bus stop.
Closest school
0.3 km
Bevois Town Primary School. 38 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
54.5dB

Night-time· 23:00 – 07:00
44.4dB







